NFPA 定义了多个 FR 有害风险分类等级，跨度从 PPE 1（为低风险，至少需要 ARC 等级为 4 的 AR 服装）至 PPE 4（高风险，至少需要 ARC 等级为 40 的 AR 服装）。1 到 4 级中的每个等级，都是按一定量的阻燃性（以 cal/cm2 为单位测量）评定的。
Designed with enhanced features, construction, and durability to deliver superior performance that today's workers demand. PIP's Falcon™ line delivers protection that is designed to help shield against liquid splashes and contaminants, defend against heavy duty rain, and provide splash protection for industrial pressure and spray washing applications. Additionally, the Falcon™ brand will now include high visibility and general protection rainwear products.
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