| 摘要 |
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.
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