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HGFHF-SFPN (1b) Gas-tight Chemical Protective Clothing (External Breathing Apparatus)

HGFHF-SFPN (1b) Gas-tight Chemical Protective Clothing (External Breathing Apparatus)

Classification：

Chemical protective clothing

HGFHF-SFPN (1b) gas-tight chemical protective clothing is a gas-tight chemical protective clothing with an external breathing apparatus, which can protect workers from most chemicals during hazardous chemical operations and emergency rescue sites. Even in flammable and explosive areas, it can still provide excellent protection against harmful substances such as gases, liquids, aerosols, and solids. The structural design of the external breathing apparatus ensures the operational flexibility of protective clothing while ensuring the convenience ofstaffwearing.

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TECHNICAL PARAMETERS (GAS-TIGHT TYPE)

Physical property

Sticker adhesive strength ≥0.78kN/m;
Overpressure exhaust valve: Gas tightness ≥20s, ventilation resistance 78–118Pa;
Ventilation system distribution valve: Quantitative gas supply rate of 5±1 (L/min), manual maximum gas supply ≥30L/min;
Tensile strength ≥20kN/m;
Tearing strength ≥100N;
Seam strength ≥650N;
Heat aging resistance: Not sticky or brittle under 125°C for 24h;
Cold resistance: No cracks under -25°C for 5min;
Flame retardant properties: After flame time ≤10s, flameless burning time ≤10s, damage length ≤10cm.

Chemical properties

Chemical substances	CAS number	Time of penetration /MIN
Ammonia	7664-41-7	≥70
Chlorine	7782-50-5	≥70
Dimozide	77-78-1	≥70
Hydrogen cyanide	74-90-8	≥70
Cyanogen chloride	506-77-4	≥70
Carbonyl chloride	75-44-5	≥70
Sulfuric acid 96%	7664-93-9	≥480
Nitric acid 60%	7697-37-2	≥480
Hydrochloric acid 30%	7947-01-0	≥480
Sodium hydroxide 40%	1310-73-2	≥480