ASTM F3325-20,Standard Specification for Leg-Protective Devices for Chainsaw Users.
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ASTM F3325-20 specifies minimum requirements for the design, performance, testing, and certification of protective clothing and protective devices designed to provide cut resistance protection to the legs of operators of power chainsaws.
Areas of protection
The means of maintaining the protective clothing or protective device in the intended position is considered part of the protective clothing. Protective garments or protective
devices shall have an adequate means to keep them securely fastened around the waist and legs.
Materials and Manufacture
Protective clothing and protective devices shall be constructed of materials that are sufficiently flexible to adapt to the shape of the leg. Protective garments or protective devices should remain functional and effective throughout seasonal climatic variations.