Material: PVC+special materials Upper height:380-390mm Rim circumference of shoe opening:410-460mm Size:38-44 Weight:1970g Main Specifications: ★Chemical penetration resistance: Soak in 80% sulfuric acid, 60% nitric acid, 30% hydrochloric acid, 30% HF6.1mo/L sodium hydroxide solution for 1 hour without penetration. ★Gasoline resistance: no cracks after soaking in 120# gasoline for 5 minutes. Not sticky. ★The chemical protective clothing fabric coated with PVC is flame retardant: the burning time is 5.2s; the damage length is 9.1cm ★Aging resistance performance: 24 hours in the temperature environment of 125 ℃, no sticking and no brittleness.★Cold resistance: no cracks for 5 minutes in the temperature environment of -40 ℃. ★ Flameless burning time ((S) 1.0 ★ Afterburn time (S) ≤ 2
Comfortable synthetic fiber lining for quick drying