... abrasion, cut proof and anti-pierce, flame retardant, heat insulation, high voltage resistant, oil resistant, The protective boots of fire fighting ... smashing, anti-chemical and electrical insulation properties. At the same time with the heat insulation, anti-acid, anti-chemical ... will not be cut after wear. Electrical insulation performance: breakdown voltage ≥ 5000V, leakage current <3Ma,the inner ...