Main technical performance indicators of firefighter protective boots
1. Quality: The quality of each pair of firefighter protective rubber boots is less than 3Kg.
2. Oil resistance: The firefighter protective rubber boots material sample is immersed in standard oil with a temperature of 23 °C ± 2 °C for 24 hours, and the volume change is in the range of -2% to +10%.
3, acid and alkali resistance: firefighters fire protection rubber boots material samples were immersed in the temperature of 23 ° C ± 2 ° C 3.7mol / L acid and alkali, 6.0mol / L sodium hydroxide solution 70h ± 2h, physical There was no significant change in mechanical properties.
4, metal liner corrosion resistance: metal liner sample in contact with a concentration of 0.25% aqueous sodium chloride for 48h no corrosion occurred.
5, anti-mite performance; firefighter fire-fighting protective rubber boots, respectively, after the 10.78kN static pressure test and impact hammer mass of 23kg, drop height of 300mm after the impact test, the gap height is not less than 15mm. ;
6. Anti-puncture performance: The puncture resistance of the firefighter's protective rubber boots is not less than 1100N.
7, anti-cutting performance: Firefighters fire-fighting protective rubber boots are not pierced after cutting with a total weight of 800g.
8. Electrical insulation performance: The breakdown voltage of the firefighter's fire-fighting protective rubber boots is not less than 5000V, and the leakage current is less than 3mA.
9. Insulation performance: When the firefighter's fire-fighting protective rubber boots are heated for 30 minutes in the thermal insulation performance test, the temperature rise of the inner surface of the sole is not more than 22 °C.
10. Resistance to heat radiation penetration: The radiant heat flux of the firefighter's protective rubber boots is 10Kw/m2±1 Kw/m2. After 1min irradiation, the inner surface rise is not more than 22°C.
11. Waterproof: Firefighters' fire-fighting protective rubber boots have no water seepage during the waterproof performance test.
12, anti-skid performance: Firefighter fire protection rubber boots in the anti-slip performance test, the initial slip angle is not less than 15 °.
