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Catalog excerpts

Optiphon - 1

Pilkington Optiphon™ Laminated Glass for noise control

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Optiphon - 2

Pilkington Optiphon™ Laminated glass for superior noise insulation Pilkington Optiphon™ is the ideal choice of glass in situations where there is excess noise from road, rail or air traffic, or various other sources, for example factories or nightclubs. Pilkington Optiphon™ is a high quality acoustic laminated glass incorporating a special PVB (PolyVinyl Butyral) interlayer. It offers excellent noise reduction without compromising on light transmittance or impact performance. Noise reduction interlayer 0.76 or 1.14 mm The desired acoustic performance can be achieved through combining...

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Optiphon - 3

Technical Definitions Sound Reduction Index Rw is the weighted sound reduction, in decibels, which incorporates a correction for the ear’s response. C and Ctr are the spectrum adjustments, which are the values added to Rw to take account of the characteristics of particular sound spectra. Typical noise sources for each spectrum adaptation terms are given below. Relevant spectrum adaptation term C Relevant spectrum adaptation term Ctr Type of noise source: Type of noise source: ● Living activities (talking, music, radio, TV) ● Urban road traffic ● Railway traffic at low speeds ● Railway...

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Optiphon - 4

Sound insulation data for standard products Sound reduction index (dB) Glass Octaveband Centre Frequency (Hz) 125 Single glazing 4 mm Float Glass Insulating glass units 4 mm / (6 - 16 mm) / 4 mm The above are generally accepted values for generic products taken from EN 12758. They are conservative values that can be used in the absence of measured data. Data for laminated glass is based on pvb interlayers (excluding acoustic pvb interlayers). Glass thickness for laminated glass excludes interlayer thickness. Data can be adopted for air or argon gas-filled cavities Rw = Weighted sound...

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Optiphon - 5

Pilkington Optiphon™ Sound reduction index (dB) Glass Octaveband Centre Frequency (Hz) 10 mm / 16 mm argon / 9.1 mm Pilkington Optiphon™ 8.8 mm Pilkington Optiphon™ / 16 mm argon / 12.8 mm Pilkington Optiphon™ 9.1 mm Pilkington Optiphon™ / 20 mm argon / 13.1 mm Pilkington Optiphon™ 6 mm / 16 mm argon / 6.8 mm Pilkington Optiphon™ 6 mm / 16 mm argon / 8.8 mm Pilkington Optiphon™ 8 mm / 16 mm argon / 9.1 mm Pilkington Optiphon™ Single glazing Insulating glass units Measurements undertaken in accordance with BS EN ISO 10140 and Rw (C; Ctr) determined in accordance with BS EN ISO 717-1 For...

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Optiphon - 6

This publication provides only a general description of the products. Further, more detailed, information may be obtained from your local supplier of Pilkington products. It is the responsibility of the user to ensure that the use of these products is appropriate for any particular application and that such use complies with all relevant legislation, standards, codes of practice and other requirements. To the fullest extent permitted by applicable laws, Nippon Sheet Glass Co. Ltd. and its subsidiary companies disclaim all liability for any error in or omission from this publication and for...

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