Vapour wheel house combined material
The utility model discloses a vapour wheel house combined material, include from last to down in proper order superimposed first non -woven fabrics layer, inhale the cotton layer of sound, polymer resin combination sheet layer and second non -woven fabrics layer, polymer resin combination sheet laye...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a vapour wheel house combined material, include from last to down in proper order superimposed first non -woven fabrics layer, inhale the cotton layer of sound, polymer resin combination sheet layer and second non -woven fabrics layer, polymer resin combination sheet layer is formed by EVA sheet more than the one deck and PP sheet and/or the coincide of PET sheet. The utility model relates to a vapour wheel house combined material, choose for use above EVA sheet of one deck and the polymer resin that PP sheet and/or the coincide of PET sheet formed to make up the sheet layer, it adopts thermoplastic resin fibre hot briquetting's syllable -dividing effect relatively poor to have solved current vapour wheel house, and PP+EPDM or the PE blend is moulded plastics or blending extrusion panel after hot briquetting gained wheel be covered with the problem that obvious transmission of sound loss coefficient low ebb appears, the vapour wheel house combined material's that obtains average tr |
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