Protective fabric and fire curtain with a metallic laminate

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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428246, 428263, 428373, 428377, 428392, 428394, 428457, 428902, 428920, B32B 700

Patent

active

045005931

ABSTRACT:
A fire retardant which is suitable for use as a protective material in garments, clothing, fire curtains, barriers or screens is disclosed. The fabric employs an amorphous silica core having a minimum of 96% silica by chemical analysis. The core fiber is encapsulated in a wrapping or covering which may be of polybenzimidazole, aramids, blends of aramids with other fibers and/or polyacrylonitrile fibers or blends thereof. The core fiber and wrapping comprise a heat resistant yarn which may be woven into a heat resistant fabric which may then be aluminized on one or both sides thereof.

REFERENCES:
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Technical Center Intercom publication dated Nov. 30, 1982 from the Public Affairs Office, FAA Technical Center, Atlantic City, New Jersey 08045.
Six 3M Bulletins, one undated, unnumbered; K-CFPB-1(331)NPI; K-MWT-1(33.5)R1; K-MHSFB-A(331)BE; K-MSTHD-A(331) BE; and K-MBS-A(331) BE, all related to Nextel Ceramic Fiber and Products.

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