producing area:China supplying capacity:under 10mm liquid pillar of 80% H2SO4, 60% HNO3 and 30% HCl for 1 hour 4) Alkali anti-permeability: under 10mm liquid pillar of 6.1mol/L NaOH3for 1h 5) Benzene resistance: no cracks and not sticky after immersing in 120# petrol for 30s 6) Chemical anti-permeability: 5 pieces, not permeable after scouring 15min by 3L/min water nozzles7) Inflammation prevention: a) Burns no longer than 2s b) Inflammation prevention time: no longer than 10s 8) Damage period: no longer than 10cm9) Resistant to acid corrosion10) Anti-heat: 125o x 24h11) Anti-coldness: a) -25o x 5min b) No cracks after 180?12) Fabric adhesion: no less than 780N/m 13) Boots: a) Water permeation: not permeable after immersing in water for 2 hours b) Bottom anti-prick: no less than 780N c) Bottom electricity power isolation: no less than 5000V14) Used to protect fire fighting personnel from harmful chemicals and corrosive sunstances in a fire or accident15) Neither fragile nor sticky