Comparison of Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: ≥ 1.5 Hours (Optimal Integrity and Insulation)
Applicable Scenarios: Firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, etc. - areas with high fire risks.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 Hour
Applicable Scenarios: High-risk areas such as evacuation stairwells, vestibules, and ordinary equipment rooms.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 Hours
Applicable Scenarios: Cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, ensuring safety in less hazardous zones.