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Executive Standard

Main functional indicators of national hard hat standards

Country

Impact absorption performance

Puncture resistance

Ambient temperature

Electrical insulation performance

Lateral rigidity

Flame resistance

Weight

Vertical spacing

Horizontal spacing

other

United KingdomBS5240-1975

5kg hammer 1m high impact energy

3kg cone 1m high penetration does not touch the head mold

high temperature +50℃

Low temperature - 10℃

1200V

Leakage current<1.2mA

Maximum deformation under 421.4N<15mm,Residual deformation<15mm

5sDestruction

400g±30g

25mm ~50mm

5mm~20mm


SwedenSIS882443-1974

4.5kg hammer 1m high impact force<4998N

1. 5kg cone 1.5m high penetration does not touch the head mold

high temperature +50℃

±2℃Low temperature -20℃±2℃

_

Maximum deformation under 421.4N<15mm, residual deformation <15mm

15sDestruction

400g~500g

25mm ~50mm

5mm~20mm


GermanyDIN4840-1973

4.5kg hammer 1m high impact force<4998N

1. 5kg cone 1.5m high penetration does not touch the head mold

high temperature +50℃

±2℃Low temperature -10℃±2℃

1000V1minLeakage current<1.2mA

-

10sDestruction

400g

_

5mm~20mm


Former Soviet UnionTOCT1704-1971

5.5kg hammer 1m high impact absorption >75 %

Downhole -10℃~40℃Inoue -40℃~40℃

2200V

Leakage current<0.5mA

Maximum deformation under 98N<0.5mm

Burning rate <

50mm/min

<400g

>25mm

_


AustraliaAS 210-1967

4.5kg hammer 1m high impact force 3773~4449.2N

0.45kg cone 3m high puncture deformation or puncture<9. 5mm

high temperature 46℃~50℃Low temperature -4℃~-8℃

2000V

Leakage current<3mA

Maximum deformation at 88.2N

Burning rate <

76mm/min

450g

25mm ~50mm

_


Singapore9998-1977

4kg hammer 1.4m high impact indentation<4.8mm

0.5kg cone

From 0.5m high

puncture<9. 5mm

high temperature +50℃±5℃Low temperature -10℃Immersion 4h

2000V;1minLeakage current<3mA

_

Burning rate <

75mm/min

400g

_

_


ISO3873-1977

5kg hammer 1m high impact absorption 4900N, acceleration<100g

3kg cone 1m high penetration does not touch the head mold

high temperature +50℃

±2℃Low temperature -10℃±2℃

50~60Hz 1200V;1minLeakage current<1.2mA

Maximum deformation under 421.4N<43mm, residual deformation <15mm

5s self-extinguishing

400g~430g

25mm ~50mm

5mm~20mm


ChinaGB2811

5kg hammer 1m high impact absorption 4900N, acceleration<100g

3kg cone 1m high penetration does not touch the head mold

high temperature +50℃

±2℃Low temperature -10℃±2℃

50~60Hz 1200V;1minLeakage current<1.2mA

Maximum deformation under 421.4N<43mm, residual deformation <15mm

5sDestruction

ordinary≤430gCold protection≤600g

≤50mm

5mm~20mm


Japan

JIST8131-1977

5kg hammer 1m high impact absorption<9800N

1.8kg cone 0.6m high puncture deformation or penetration<10mm

high temperature +50℃

±2℃Low temperature -10℃±2℃

50~60Hz 2000V;1minLeakage current<10mA

Burning rate <

75mm/min

_

_

75mm

Water absorption increase rate < 1 %

FranceMFS72-202-1985

5kg hammer 1m high impact absorption<4900N

3kg cone 1m high penetration does not touch the head mold

high temperature +50℃

±2℃Low temperature -10℃±2℃

50~60Hz 1200V;1minLeakage current<1.2mA

Maximum deformation<10mm under 70N, residual deformation <2mm

5sDestruction

<375g

25mm ~50mm

5mm~20mm

Artificial aging

United StatesANSI3891-1981

3. 54~3. 6kg hammer 1.524m high impact average absorption 3871N~4450N

0.45kg cone puncture 3.048m high A, B grade<9. 5mmc grade <11. 1mm

high temperature +49℃

±2℃Low temperature -18℃±2℃

Class A 2000V; 1min leakage current<3mA

Class B 3min<9mA

Burning rate <

76.2mm/min

400g

_

_

Water absorption increase rate A, C grade < 5%; B grade 0.5%

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