FIELD: automotive industry.
SUBSTANCE: material comprises heavy layer made of thermoplastic sheet material 2-3 mm thick with the surface mass of 3-4.5 kg/m2 on the basis of thermoplastic of ethylene-propylene rubber with polyethylene or copolymer of ethylene with vinyl-acetate and layer of porous foam polyurethane produced by interaction at least polyol and isocyanate in a specified percentage.
EFFECT: enhanced noise protection.
5 cl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
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| CAR CABIN FINISHING PART THAT LESSENS NOISE | 2011 |
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RU2549214C1 |
| ENERGY-REGULATING RIGID POLYURETHANE FOAM WITH HIGH DEGREE OF REDUCING FORM | 1999 |
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