● The technical performance meets the standard requirements of XF 6-2004 "Fire Protection Boots for Firefighters".

● The upper and sole of the boot are made of natural rubber, the top of the boot is made of aluminum. The static pressure is ≥21mm, the impact force is ≥20mm, and the anti-puncture layer of the boot is made of Kevlar midsole.

● Quality: The total weight of 255 yards of sample boots is ≤2.1kg.

● Waterproof performance of the whole boot: After the fire protection rubber boots are placed in the container, water is injected, the distance between the water surface and the lowest point of the boot tube opening is not more than (25±3)mm, after 4h, there should be no water penetration in the boot.

● Puncture resistance ≥1800N, electrical insulation performance: breakdown voltage ≥5000v, leakage current ≤0.25mA.

● Heat insulation performance ≤6℃; Radiant thermal permeability resistance ≤6.2℃.

● Oil resistance ≤7%.

● Should be marked: production of fire protection boots identification number or manufacturing date and inspection mark.