Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 hours, delivering optimal integrity and insulation.
Applicable Scenarios: Perfect for firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other high-risk locations where superior fire protection is essential.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 hour, ensuring robust safety.
Applicable Scenarios: Ideal for high-risk areas like evacuation stairwells, vestibules, and ordinary equipment rooms, balancing safety and practicality.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 hours, providing basic protection.
Applicable Scenarios: Suited for cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, ensuring essential fire safety.