Firefighters, rescue personnel, special work of the industry personnel to enter the place of the risk on behalf of the school and Drug, and corrosion material for fire-fighting operation when wearing protective clothing. 

 The main performance parameters: 

 1, anti-acid-base permeability: 80% of H2SO4, HNO3 and 60%, 30% HCL \ 6.1 mol / L NaOH. 

 2 Flame retardant: continued burning time ≤ 2S, flame-retardant time ≤ 10S, damage length ≤ 10cm, no melting drops. 

 3, Weight: ≤ 5kg. 

 4, the product by the China Classification Society inspection and approval, in line with SOLAS points about the IMO specification of requirements