Strong Firefighter's boots Fire equipment

1.Quality:
Each pair of firefighter protective quality rubber boots less than 3Kg.
2.physical and mechanical properties:
Fireman fire protective rubber boots mechanical and physical properties of materials in the table below.
Item Indicators
  Plastic surface, Wai outsole
Tensile strength MPa ≥14.7 ≥10.78
Elongation% ≥480 ≥380
Tearing permanent deformation% ≤40
Abrasion loss (Akron) cm3 / 1.6km ≤0.8
Strength (Shore A) of 55 to 65 55 to 70
Brittle temperature ℃ ≤-40 ≤-40
Hot air aging (100 ℃ × 24h)
Tensile strength decreases% ≤35 ≤35
Flame retardant (GB / T13488) grade FV-1 FV-1
Boots with the fabric surface adhesion strength N / mm 0.78
Boots Face Thickness mm ≥1.5
3.oil resistance:
Fireman fire protective rubber boots material samples 23 ℃ ± 2 ℃ 1 # standard oil immersed at a temperature of 24h, the volume change in the -2% ~ + 10%.
4.acid and alkali resistance:
Fireman fire protective rubber boots material samples were immersed in a temperature of 23 ℃ ± 2 ℃ of 3.7mol / L of acid, sodium hydroxide solution 6.0mol / L in 70h ± 2h, the physical and mechanical properties did not change significantly.
5.the corrosion resistance of the metal liner:
No corrosion phenomenon occurred after the metal liner sample concentration of 0.25% sodium chloride aqueous solution in contact 48h.
6.anti-smashing performance;
Fireman fire protective rubber boots are boots head through 10.78kN static pressure test and the hammer quality 23kg, drop height 300mm rear impact test, the gap height of not less than 15mm.
7.puncture resistance:
Fireman fire protective rubber boots outsole puncture resistance force is not less than 1100N.
8.cut resistance:
Fireman fire protective rubber boots by the total weight of 800g the head after cutting are not pierced.
9.electrical insulation properties:
Fireman fire protective rubber boots breakdown voltage is not less than 5000V, and leakage current is less than 3mA.
10.insulation performance:
When firefighters fire protective rubber boots in insulation performance test is heated 30min, inner sole surface temperature not greater than 22 ℃.
11.thermal radiation permeability:
Fireman fire protective rubber boots boots face by radiant heat flux 10Kw / m2 ± 1 Kw / m2, after irradiation 1min, its inner surface liter is not more than 22 ℃.
12.water resistance:
Fireman fire protective rubber boots when no water leakage waterproof performance test.
13.non-slip performance:
When firefighters during fire protective rubber boots slip resistance test, before sliding angle of not less than 15 °.
Fourth, sizes
Fireman fire protective rubber boots boots No. No. There are seven sizes 39-45

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