Felt panels with thermal insulation and sound absorption
A heat insulation and sound absorption technology, applied in construction, building components, fire protection, etc., can solve the problems of poor high temperature resistance, unsatisfactory noise reduction effect, etc., achieve excellent fire resistance performance, good non-combustibility and chemical resistance, and improve sound absorption performance effect
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[0029] The present invention will be further described in detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.
[0030] This case provides a heat-insulating and sound-absorbing felt board, wherein the heat-insulating and sound-absorbing felt board includes a first fire-proof fabric layer, a heat-insulating and sound-absorbing layer and a second fire-proof fabric layer stacked sequentially from top to bottom;
[0031] Wherein, the heat-insulating and sound-absorbing layer includes the following materials in parts by weight:
[0032] Cupro ammonia fiber 40~60 parts;
[0033] Aluminum silicate fiber 24~30 parts;
[0034] Ethylene-vinylidene fluoride copolymer 15~20 parts;
[0035] 8~14 parts of polyethylene terephthalate fiber;
[0036] Wollastonite 20~40 parts;
[0037] 10~20 parts of sound absorbing agent;
[0038] 6~12 parts of heat preservation agent.
[0039] As the main body of the heat-...
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