Evaluating Fire Resistance Performance
1. Type-A Fire Door
Fire Resistance Limit: 1.5 hours (providing optimal integrity and insulation)
Ideal Application Scenarios: Perfect for use in firewalls, oil storage rooms, power distribution rooms, cinema auditoriums, and other high-risk zones where fire safety is paramount.
2. Grade B Fireproof Door
Fire Resistance Limit: ≥ 1 hour
Applicable Scenarios: Ideal for high-risk areas such as evacuation stairwells, vestibules, and ordinary equipment rooms, providing essential safety.
3. Grade C Fireproof Door
Fire Resistance Limit:≥ 0.5 hours
Applicable Scenarios: Tailored for low-risk areas, including cable shafts, pipe shafts, smoke exhaust ducts, and other vertical pipe shafts requiring moderate protection.
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