Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 hours (offering optimal integrity and insulation for superior safety)
Applicable Scenarios: Perfect for high-risk areas such as firewalls, oil storage rooms, power distribution rooms, and cinema auditoriums, ensuring protection against fire hazards.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 hour
Applicable Scenarios: Ideal for high-risk environments like evacuation stairwells, vestibules, and ordinary equipment rooms, offering robust fire protection.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 hours
Applicable Scenarios: Designed for low-risk areas such as cable shafts, pipe shafts, smoke exhaust ducts, and other vertical pipe shafts, providing reliable fire safety.