Test item 测试名称: Knee protection by laying down requirements and test methods 护膝

 
Classification 分级:

 

Type 1 knee protectors

knee protectors that are independent of other clothing and fasten around the leg

Type 2 knee protectors

foam plastic or other padding material in pockets on trouser legs, or permanently attached to trousers NOTE The position of Type 2 knee protectors on trousers may be fixed or adjustable.

Type 3 knee protectors

devices not attached to the body, but put into place as the user moves around. These may be for each knee or both knees together

Type 4 knee protectors

knee protectors for one or both knees, which are parts of devices with additional functions such as a frame to aid standing up, or a kneeling seat. The knee protectors may be worn on the body or be independent

 

level 0 knee protectors suitable only for use on flat floor surfaces and providing no protection against penetration.

level 1 knee protectors suitable for use on flat or non-flat floor surfaces and providing protection against penetration at a force of at least (100 ± 5) N.

level 2 knee protectors suitable for use on flat or non-flat floor surfaces in severe conditions and providing protection against penetration at a force of at least (250 ± 10) N."

 

Test info 测试内容:

 

Knee protectors for work in the kneeling position

5.1 Innocuousness

5.2.3 Sizing

5.2.4 Dimensions

5.2.5 Penetration test

5.2.6 Force distribution

5.2.7 Peak transmitted force in impact

5.2.8.1 Restraint

5.2.8.2 Restraint by straps

5.3 Water resistance

5.4 Ergonomics

5.4.2 Compliance test of straps

7 Marking

8 Information

EN 340 Innocuousness test

AZO DYE

pH value

Color fastness to perspiration

Cr VI (for leather part)

Nickel (for metal part)