Acoustic glass specifications table. Glass size and glazing system will affect STC rating.

Acoustic glass specifications table Acoustic Insulation Systems Specification. It typically consists of two layers of 5mm glass bonded together with a specially engineered acoustic interlayer, which is often made of a combination of PVB (polyvinyl butyral) and SGP (SentryGlas® Plus). 76mm/12mm/4mm float glass Double glazed units with acoustic glass on the exterior pane 40 30. Manufacturing: Once you’ve approved the design, we’ll manufacture your acoustic glass units to exact specifications. Acoustic Glass Defined. 8mm acoustic laminated glass Rw48dB Test ref: 2151-1845 The Nystrom Acoustic Vertical Foam System Recessed Application (EJN-QTT) is used to control sound, draft, heat, cold and dust blocking acoustic joint filler for interior, non-moving joints and gaps. Acoustic glass has nothing to do with hearing less or more wind noise. The all-new acoustic panels inside the pod ensure that the user is isolated from unwanted outside noise. BS 3463: Specification for observation and gauge glasses for pressure vessels Regular float glass is limited in its ability to insulate against sound, with only a modest increase in acoustic performance achieved when glass thicknesses are doubled. Acoustic Perf Data Tables - Free download as PDF File (. Since AS1 is the only glass to pass all safety tests, it is the only glass allowed for windshield use. The last two columns give net acoustic insulation values RA and RA,tr (in dBA). 21m. • The higher the Rw value the better the acoustic performance. The minimum size of an acoustic glass unit is 300mm x 300mm. Hushes sound by up to 39db, bringing perceived volume down to a whisper. Aview Glass Products Acoustic laminated products combat the limitations of float glass though the addition on an interlayer. Table G2 2 Edge supported glass Glass Thickness 12mm. The acoustic insulation property of a glass unit or frame is defined by R which represents the acoustic power difference from one side of the glass to the other. 88mm provides up to 39% better insulation than ordinary 4mm glass resulting in a more comfortable home and energy savings all year round. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. The desired acoustic performance can be achieved through combining various thicknesses of glass with a special PVB (polyvinylbutyral) interlayer. The OTIC is a relatively new way of measuring sound transmission, including information about how well the glass acts as a barrier. TECHNICAL REVISION. CALL FREE: 0800 876 6170 Today's opening times: A leader in tools for the glass industry. Acoustic glass, also known as soundproof or noise-reducing glass, is a specialised type of glass designed to minimise noise transmission and enhance sound insulation in buildings. 00_Date: 07. 08kg/m2 Other types of acoustic glass are available and can achieve Rw values up to 58 The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. Because of its PVB core, if acoustic glass breaks, it tends to shatter into small pieces rather than large dangerous shards. Oct 20, 2010 · Acoustic laminated is a high-quality laminated glass with a PVB (polyvinylbutyral) acoustic interlayer that considerably reduces noise. VOC Emissions and Indoor Air Quality. Acoustic slats shall be installed by installed by means of manufacturer supplied clips ACOUSTICS Sound Control Noise or sound is an unavoidable by-product of the modern living and growing technology. 2017 GLASSCON GmbH www. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. 24kg/m2 Double glazed acoustic – Lamiglass 8. Continental Europe - EN Guardian LamiGlass® Acoustic Pilkington Optiphon™ is a high quality acoustic laminated glass that offers excellent noise reduction without compromising on light transmittance or impact performance. Maximum size: 2,400 x 4,900 mm. The hushFree. The beading for fixing glass to be fixed on both sides of Aug 7, 2016 · Table of Common Acoustical Absorption Coefficients. 2mm to 15mm) will be required for the recommended maximum glass height. STC = 31 (Tempered Glass) STC = 38 The partition will be provided with 5 mm thick float glass fixed at 900 -1200 mm above the floor level with teak wood beading fixed on both sides of the glass finished with polishing as directed. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 28mm The thickest possible single glazed acoustic glass that we can use 41 40. com Acoustic Report on Glass Facades for Rothschild 48, Tel Aviv Hotel Façade type: West façade EWS-01, EWS-08 Date: July 2017 There are two main types of safety glass and, in most cases, we use a combination of both. Prevent Noise from Outside. It can be a hazardous to overall health and prolonged exposure to high level […] May 4, 2024 · Frames can warp over time due to the weight of the acoustic glass. Acoustic windows and glass are NOT a 100% soundproofing window solution but you can achieve considerable noise reduction. However, by changing your glazing from typical 4-16-4 to 4-16-6. Deep nested tongue and groove configuration for vertical interlock between panels allowing more stability, ease of alignment and better sound seal. Recent changes to glass specification and acoustic calculation programs have improved performance for many units. The thickness shown at the right column is the total one. It has a diameter of 3 metres, can accommodate up to 6 people and is designed to be used as a meeting area. A leader in tools for the glass industry. 733 / inch Karpel provides premium quality, locally-manufactured acoustic glass partitions to commercial and residential clients internationally. The specification document to the right under "Resources" is written according to the Construction Specifications Institute (CSI) 3-Part Format. Heat Strengthened vs. Soundshield™ glass is designed with a specialised interlayer to reduce sound transmission while maintaining clarity and aesthetics. One wants to cover parts of the window in a way that there are significantly less reflections off the glass surface. Acoustic insulation is composed of a resilient sound-absorptive layer and an outer-barrier layer Mar 5, 2020 · Acoustic glass is specifically manufactured to help reduce noise levels (it is sometimes referred to as soundproof glass). • As a guide when frames are included, the Rw values shown will decline. Having determined the noise source level rating Expert Series: Glass Acoustic Performance - page 2 The table shows that the poorest-performing glazing is a single, monolithic lite. Read more about the tools below Viracon Recommended Architectural Glass Specification. The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. Many factors play into the acoustic performance of acoustic glass panels, including glass thickness, composition, and interlayer materials. Dec 3, 2021 · Acoustic glass is widely used among car manufacturers. Drapes are also a good solution to add to the mix when dealing with acoustic glass treatment. Tempered Glass Annealed float glass can be cut to a desired finished size and tempered to provide a glass product with greater resistance to thermal, mechanical or impact loads or to break in a manner that allows its Specifications of our photovoltaic glass for buildings. The Sound Solution to Outside Noise Glass connects us to the outside world, but ordinary glass also connects us to sounds we don’t always want to hear. Description: What is Acoustic Glass? Şişecam Acoustic Laminated Glass is sound insulation glass of Şişecam Flat Glass. MAY WE HELP YOU? The performance of acoustic glass will vary according to the glass configuration used and the noise source. There are two acoustic ratings based on sound transmission: OITC and STC. 3m) and larger. The float glass to be etched as per approved design (film etching to be paid separately). Jul 17, 2018 · Recording studio glass, especially, requires several specifications to be met so that the glass performs at its best. In addition, it tends to be quite hard to break, which is another benefit, so if a child, pet, or even you fall against the glass, you shouldn’t crash through it. Acoustic laminated glass contains a special acoustic interlayer which acts as a dampening core between the glass panes, preventing sound frequencies vibrating from one pane of glass to the other, developed for excellent sound insulation for places where there is excessive Jul 1, 2024 · Flatter more uniform finish than standard spray-applied acoustic insulation; More economical than many cellulose-based acoustic finishes; Improved noise reduction capabilities; Less material required for effective sound control; Zero Flame Spread and non-combustible for safety; Adds to thermal value with R-3. (7. This seal is colored, versatile and ideally suited to fill gaps between the ends of permanent, semi-permanent, movable partitions, or head of wall Single Glazed Acoustic Glass Partition Product Specifications . Onyx Solar USA. In this case select a value which is 3-4 Rw points above required total window value for Use different glass thickness for individual glass lites, i. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. VLam™ Hush is a laminated Grade A safety glass. Table of Contents Thanks to its user-friendly glass calculator, Calumen ® allows you to design all the glazings for your project. The 2024 Glass Guide™ launching soon. Keep the outside out of living and work spaces with our soundproofing options. The coefficients states the number of decibels suppressed by the glass and does not describe the frequency band but gives an average suppression value within the 125 (STC) or 80 (OITC) and 4000 Hz band. What are the benefits of acoustic glass? The Benefits of Acoustic Glass Acoustic glass considerably reduces outside noise, especially near busy areas such as motorways, train lines and airports. Panel Height - Deflection The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. Toughened Glass: as the name suggests, this glass is much harder to break than a standard pane. Laminated acoustic glass consists of two or more layers of glass bonded together with a PVB interlayer. Thanks to their semi-circular shape, the 8 mm thick toughened glass walls ensure a perfect structural seal. Width 105MM x Height 30MM; Acoustic Rating. Table 1B shows the sound reduction values expressed as Rw (dB) of many different types of glass, including float, laminated, Acousta™ Laminated and IGU's. 5 mg/m³ of total volatile organic compounds. S. *OITC is estimated based on this test. 45dB in situ acoustic insulation performance; Partition system height – maximum: 2900mm; recommended acoustic door: VK62 acoustic door; maximum height: 2700mm One Insulated Glass Unit With 2 Pieces Of 1/4″ Laminated Glass Plus An Air Cavity And An Additional Pane Of 3/8″ Laminated Glass; 6-3/8″ Aluminum Frame; Acoustically Treated Frames & Seals; Angled & Flat Glass For Maximum Acoustical Performance; Nonflammable Acoustical Frame Insert; Fits Any Wall Thickness By Insetting Or Offsetting 122 Leadenhall - The Cheesegrater. You can reduce the noise by as much as 25%. How it works. 5mm and 6. AS1 glass passes them all, AS2 does not pass all the impact tests, and AS3 is typically of a darker tint and is referred to as privacy glass. 5 times over normal glass. Acoustic glass partitions have a layered construction that utilises various glass thicknesses and sound-absorbing interlayers which reduce noise transmission between sides. This allows businesses to adapt to their changing needs effortlessly. Of course, a glass unit like this would be completely impractical in terms of weight, overall thickness and price; so we need to take a more balanced approach. 8mm acoustic laminate glass is a specialized type of laminated glass designed to provide exceptional sound insulation properties. 12. Under those circumstances, the next thickness of glass up (i. An Indication of Deflection under constant load and panel width, but with change of glass thickness is given in Table 2 below. See additional notes below data for specific How is acoustic glass made and how does it work? Laminated glass consists of two or more layers of glass that are permanently bonded together with one or more polymer interlayers using heat and pressure. We have created a table of the main IGU products available from stock and glazed using regular bead systems to simplify things. Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound insulation compared to standard laminated glass. 8mm Laminated Safety Glass 34 dB 33 dB 31 dB 6. Floor to ceiling windows provide light, transparency and sweeping views of Central Park Jun 6, 2024 · The higher the STC rating, the better the soundproofing. When used in overhead or roof glazing, noise reduction window also provides A 6-12-4 mm glass will absorb more sound at high frequencies of 2000 Hz (claxon noise) than a 6-12-6 mm glass, in spite of having less mass. Other elements of the glass specification such as glass thickness will be determined by the glass installation itself. Reduces UV radiation by 99% reducing fading up to 8. ComfortHush¹ is a laminated Grade A safety glass. 8mm Acoustic Laminated 37 dB 36 dB 33 dB 10. the installation: If the windows are not well sealed, noise will find a way through, along with cold or heat. Glass controls noise by: Reflecting the noise back towards the source, and ; Absorbing the noise energy within the glass. Anything and Everything Mazda CX-5. The careful and considered selection of glass can be crucial in helping to reduce noise level and meet noise requirements. glasscon. On the other hand, at lower frequencies between 125 and 250 Hz (traffic noise) this is not the case: a 6-12-6 mm glass reduces sound more effectively than a 6-12-4 mm glass. 8 mm interlayer. Place for CX-5 owners to discuss their cars, modifications, support, etc. Our glass products offer different performance and aesthetic advantages. Thickness: 6-24 mm. Check with your framing system supplier for total window values. Standard Glass Standard walls in most homes are 33 STC, while studio-level soundproofing requires a rating of at least 45. Acoustic insulation can be used to reduce surface radiation from many different types of piping and equipment and to comply with regulatory requirements. Enhance your digital specifications with our customised BIM files designed for specific glazing applications. The best possible glass unit for sound reduction would be quad glazed, with four different thicknesses of glass panes containing interlayers and three different thickness vacuum cavities. Feb 9, 2017 · U. 5 Turbo Premium: Offers premium glass features, including acoustic glass technology and sound-dampening principles 2. glass@nichollsandclarke. Acoustic glass consists of two or more sheets of glass, bonded together with one or more acoustic interlayers: Each pane of glass in a noise reduction window or door is laminated with a layer of polyvinyl butyral (PVB), forming a strong hydrocarbon bond with the glazing unit, this improves acoustic attenuation by reducing the elasticity of the glass and providing an Description. Soundshield™ glass is a groundbreaking solution that transforms your living and working spaces into peaceful havens by effectively mitigating outside noise. Insulation. 8mm Acoustic Laminated 38 dB 37 dB 36 dB • All values shown are glass only. Acoustic glass helps with direct sounds like nearby traffic noise, horns, road noise. Download Table | Key specifications of the acoustic modem from publication: Evaluating acousticcommunication performance of micro autonomous underwater vehicles in confined spaces | Micro-sized The following glass specifications are used for all double & triple glazed energy ratings • Inner pane - Pilkington KS Softcoat glass • Outer pane - Pilkington Opti-white low iron glass • Middle pane - Pilkington KS toughened Softcoat (40mm triple glazed only) • Spacer bar - double glazed -Super spacer premium Equipment for glass transport and storage. Select the glass substrate, coatings, interlayers, then get the performances of your glazing: solar factor, light factors, thermal transmission, noise reduction indexes, glass aesthetic, carbon footprint 43dB in situ acoustic insulation performance; Partition system height – maximum: 2900mm; recommended acoustic door: VK62 acoustic door; maximum height: 2700mm Glassflex Serene GFS45. The acoustic performance of double-glazed units is not affected by the thicker or laminated glass constituting the inner or outer pane. from publication: Design and analysis of acoustic reforms of studio | After evaluating the studio acoustics environment quality and finding problems The following table shows the Rw (C; Ctr) values of various glass types currently available on the market. Remember that there is a range of NRC for many of these products. Thirdly, use experienced professionals. XS acoustic booth has an acoustic class A according to ISO 23351-1:2020 for office acoustic booths. Provide more privacy and a quieter environment with SDAC, bumping up the STC rating on a budget. The sound insulation of a double glazing window can be improved by having a wide cavity between the glass panes, using different thicknesses of the glass panes, using a thicker glass, incorporating an efficient insulating window frame and using specially laminated acoustic glass. 5 - 200 m (1 - 656 ft) Dec 11, 2012 · The table below, extracted from Saint Gobain, helps showing how these three numbers apply to different laminated units with acoustic interlayers. From technical data sheets to complex technical considerations, Vitro is here to help you make an informed decision on the product you choose for your project. The effect of the laminate is to Glass Wall acoustic ratings up to 46 STC. Sound reduction index values for several laminated glass units with acoustic interlayers. The noise is likely coming from the door area where it seals with the body, or the side mirror gaps are messed up. Acoustic glass is a sandwich of two or more sheets of Tools & Resources. Low-VOC acoustic panels certified by GREENGUARD emit less than 0. The Glass Guide™ is a key reference point for all industry professionals wanting comprehensive information on Viridian products. Glass Break detectors are designed to detect the breakage of framed glass and may not detect such things as bullet holes, spontaneous breakage of glass (with no impact), and removal of glass; Maximum Range: The maximum detection range is 25 H. Microphone array: 200 channels MEMS microphone: Frequency range: 2k - 100k Hz: SPL range: 28 - 132 dB: Test distance: 0. VLam™ Hush can incorporated in an insulated glass unit with different glass types from across our product range to provide additional benefits such as privacy, security, noise reduction and energy efficiency. TESTING Reduces UV radiation by 99% reducing fading up to 8. 6 m) from the farthest corner, for glass sizes 12" by 12" (0. With our Acoustic range, buildings preserve peace and quiet inside, no matter what’s happening outside. 6 Product Schedule. Minimum size: 100 x 100 mm. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) info. Acoustic Report on Glass Facades EWS-01, 08 | 1/ 13 Rev. Glass Handling and Safety Guide . Updated on January 3, 2024 Stories You Might Be Interested In TECHNICAL REVISION. 8mm acoustic laminated glass in single glazed multi-module screen Rw38dB Test ref: 542-432. In addition to acoustic performance, Guardian LamiGlass® Acoustic offers all the benefits of standard laminated glass, including safety, security and UV protection. com 0845 6051350 Single Glass Rw Rw+C Rw+Ctr 6. Aircrafts, automobiles, trains, machines, generators, house hold appliances and even entertainment generates sound or noise that can distract attention, disturb sleep and create anxiety. Discover our products specifically designed to reduce noise levels transmitted through glazing. com Many manufacturers now offer panels with 70-100% recycled content featuring recycled glass mineral wool or repurposed agricultural waste fibers. Table of Contents Acoustic Specifications. Single glazed acoustic – LamiGlass 18. With a typical STC of 31 for 1/4-inch glass, up to 36 for thicker pieces, monolithic glass is the most basic of glass construction. Features. pdf), Text File (. PIP INSA1000 . The highest noise insulation is achieved using an acoustic laminated glass. 79 Madison Avenue, Ste. 5 Turbo Signature: Top-tier trim with the most advanced premium glass features , including multi-layer glass construction and advanced noise reduction methods Why Acoustic? Regular float glass is limited in its ability to insulate against sound, with only a modest increase in acoustic performance achieved when glass thicknesses are doubled. 07. Download Table | Acoustic specifications. Precision Glass & Mirror also offers a broad range of services to realtors, apartment and rental management firms, store owners, cabinet makers and other business partners. Insulating Glass Construction STC OITC* 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 ACOUSTIC PERFORMANCE DATA TABLES Table 1A provides a guide to examples of noise measured in decibels (dB) against the recommended noise levels for a room in a building. The Revolution 100 double glazed system, for example, can accommodate a range of glass types and thicknesses, such as: 12mm toughened glass + 12. 85 for some of Armstrong’s higher-end acoustic tiles. Glass Wall acoustic ratings up to 46 STC. ALUMINIUM TRACK. Acoustic glass is a double glazed unit that includes a pane of laminated glass. Guidelines for Acoustic Glass Systems in Office Environments To illustrate typical office spaces requiring acoustic glass systems, Table 1 outlines common accommodations—such as meeting rooms (Type A), private offices (Type B), and pantries and corridors (Type C)—and provides key specifications like floor area and partition area. One sided trolleys; Glass shelves for storing less glass sizes; One side racks - type L for stacking; Racks for glass in Jumbo size; Grabs for unloading glass; Harp racks for sorting glass units; Containers for cullet waiste; Assembly tables feeders; Special trolleys; Protection pools for glass; Tables ComfortHush¹ 6. However, acoustic glass is different in that it comprises of two or more sheets of glass bonded or laminated together (visible Acoustic glass, also known as soundproof glass, or noise reduction glass is specialist glass installed in noise reduction windows that can reduce the amount of noise that is transmitted through the glass and a window (or door). The specification can be customized for your project by including details for the products you are specifying in Article 2. For any other glass questions, please contact Vitro Architectural Glass (formerly PPG glass) or call 1-855-VTRO-GLS (1-855-887-6457). , ¼” glass + interlayer + 3/ 8” glass For Insulating Glass Units Increase glass thickness Increase air space dimension Evaluate different gas fills Evaluate different spacer and sealant materials Use different glass thickness for The performance data below applies to an insulating unit. txt) or view presentation slides online. Part 1: Classification; Part 2: Terminology for work on glass; BS 3193: Specification for thermally toughened glass panels for use in domestic appliances. Download further information, technical details and white papers on our ranges and specialist glass solutions Acoustic Interlayers are able to be included in almost any glass installation and are available in sizes up to 6m x 3. Achieve sound control similar to lamination with a single glazed solution, bringing perceived volume down to a whisper Sound Control: Effectively reduces perceived loudness by […] Tranquility through acoustic excellence. Types of Acoustic Glass Laminated Acoustic Glass. For instance, Acoustic Ceiling Tiles can range from a 0. PRESS GLASS possesses North America certification for sound absorbing glass with an acoustic insulation factor STC ranging between 33 dB and 52 dB. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. And finally, the glass composition: the glass is an important factor in soundproofing windows, as it usually makes up around 80 percent of a window’s area. Live Glass – Acoustic Treatment on Glass not only improves the acoustic intelligibility of any space but it can also look awesome. Process Industry Practices Page 1 of 6 . The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. 3m by 0. Acoustic Glass. e. Similarly, carpets range in thickness and plushness, which will greatly affect how 47K subscribers in the CX5 community. . 8. We also perform interior glass product build-outs from mirrors and shelves to specialty glass including bullet resistant, blast resistant and acoustic. An acoustic glass panel has virtually the same appearance and transparency as ordinary glass. Please refer to the Products pages for individual sections. Installation : Our skilled technicians will install your new acoustic glass with minimal disruption to your daily life. Calumen Your go-to portal for discovering the perfect glazing solutions, tailored to your requirements. 45 absorption coefficient to 0. Noise Reduction Solution Charts ROUNDBOX 33 is a self-supporting modular office acoustic cubicle with structural glass walls. Aug 15, 2024 · Acoustic glass partitions are highly versatile and can be easily reconfigured or relocated as the office evolves. Read more about the tools below ARO - 242 West 53rd Street. Modern Glass Sound Control laminated products combat the limitations of float glass though the addition on an interlayer. 13 mm means 6 mm + 6 mm + 0. National Processing Capabilities . Insulation that attenuates acoustic energy radiating from surfaces by absorption and containment. TECHNICAL SPECIFICATION FOR ACOUSTIC WORKS April 2018 glass fiber fleece B. You could have a badly sealed door so the noise would be quite apparent. This value is measured in specific laboratory settings under BS EN standards in order to achieve a constant, corresponding acoustic index across all building materials. Sound Reducing Acoustic Glass, known as "HushGlass", is a revolutionary development in glass technology that allows us to reduce outside unwanted noise without… Secondly. Glass size and glazing system will affect STC rating. BS 857: Specification for safety glass for land transport. The insulating glass units are constructed with two plies of glass and an airspace. Specify double glazed for higher acoustic ratings. The performance data below applies to an insulating unit. 470 Satellite Blvd NE Suite A Suwanee, GA 30024 Phone: 770-614-4121 Fax: (770) 614-4180 Tempered Glass Data Sheet Product Data & Specifications Annealed vs. It is designed to reflect and absorb the soundwaves and limit sound frequencies moving between the panes of glass, significantly reducing noise intrusion. 8mm Laminated Safety Glass 33 dB 31 dB 29 dB 10. Jan 15, 2025 · 2. 8mm Acoustic Laminated 35 dB 34 dB 32 dB 8. 4mm Laminated Safety Glass 32 dB 31 dB 29 dB 6. To gain this property, glass is heated up to over 600 degrees centigrade and then rapidly cooled. The 75,000 square metres façade features a curtain wall that is double glazed to allow for a high solar protection on neutral-looking glass. You can add more meeting rooms or offices whenever you need them. 10. #231 New York, NY 10016 usa@onyxsolar. BS 952: Glass for glazing. federal regulations require that glass pass certain safety tests. Specifications. STC achieved as per the standard AS1191-1985 test method. It employs advanced technology to absorb and dampen sound waves, providing a quieter and more comfortable indoor environment while allowing natural light to penetrate. June 2021 . Feb 18, 2022 · By changing the composition and thickness of the glass you can move this dip in sound insulation towards lower frequencies making the noise more comfortable to hear but in order to reduce the critical frequency to below 100Hz, making it insignificant enough to be ignored, the glass would have to be 12cm thick! Acoustic interlayers, which are User guides and brochures. upj mcleg psahyf jrx opyip ebf ozlendt lrnx ddlq tgaozd hsce ybbkek isfiwqdx mri krmb