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GMW 14194-2010 纤维吸音材料.pdf

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WORLDWIDE General Specification ENGINEERING GMW14194 Interior STANDARDS Fibrous Sound Absorption Materials Type 3 materials are recommended for areas 1 Introduction where exposure to moisture will have an insignificant effect on performance. Not Note: Nothing in this standard supersedes recommended for front of dash applications. applicable laws and regulations. 1.3.4 Type 4: 100% Polyester Fibers. These Note: In the event of conflict between the English materials will be composed of 100% polyethylene and domestic language, the English language shall terephthalate (PET) fibers. take precedence. Type 4 materials are recommended for areas 1.1 Scope. This specification identifies all types of where exposure to moisture will have an sound absorbing and/or sound dissipative insignificant effect on performance. materials used in vehicl

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