BS EN ISO 20320-2020 Protective clothing for use in Snowboarding一Wrist Protectors一Requirements and test methods. 5.2 Sampling For each range to be tested, two pairs of wrist protectors shall be provided (Sample No. I and No. 2). For standalone wrist protectors, manufacturers shall provide all type of gloves specified in the information supplied by the manufacturer and for all ranges to be tested If the wrist protector according to the information supplied by the manufacturer (see CJausel) protects the palm against impact (41). a third pair of wrist protectors (No. 3) shall be provided. The test samples shall be supplied with the information supplied by the manufacturer according to Clause 7. 5.3 Conditioning 5.3.1 General All samples shall be conditioned before testing impact strength (5k), impact performance (1) and limitation of extension (5), where samples shall be mounted to the prosthesis before conditioning. For standalone wrist protectors, gloves shall be conditioned too. 5.3.2 Room temperature conditioning The mounted samples shall be exposed to a temperature of (20 ± 2) °C for not less than 4 h. Testing shall be completed in the conditioning environment or within 2 mm of removal from the environment. 5.3.3 Cold temperature conditioning The samples shall be exposed to a temperature of (—10 ± 2) °C for not less than 4 h. Testing shall be completed in the conditioning environment or within 2 mm of removal from the environment. 5.4 Ergonomics An assessor of suitable hand size shall put on, tighten and take off both wrist protectors (left and right) by themselves (without external support) as specified in the information supplied by the manufacturer, including gloves for wrist protectors, provided to be worn with gloves. An assessor shall fix and then unfix themselves to a snowboard by closing and then opening the binding of the snowboard (left and right) while wearing wrist protectors and gloves on both hands (right and left). 5.5 Restraint The wrist protector shall be put on by an assessor with the appropriate hand sizing (see Table 1) in the way specified in the information supplied by the manufacturer. Standalone protection concept to be worn over the glove shall be tested with the type of gloves specified in the information supplied by the manufacturer. Fasten the wrist protector as specified in the information supplied by the manufacturer. A reference line square to the long axis of the fingers, which best represents the mean approach...
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