Comprehensive Comparison of Fire Resistance Performance
1. Type-A Fire Door: The Ultimate Shield
Fire Resistance Limit: Exceptional Protection 1.5 hours (offers supreme integrity and insulation)
Ideal Applicable Scenarios: Perfect for firewalls, oil storage facilities, power distribution rooms, cinema auditoriums, and other high-risk fire areas where utmost safety is paramount.
2. Grade B Fireproof Door: Reliable Defense
Fire Resistance Limit: No less than 1 hour
Suitable for high-risk zones like evacuation stairwells, vestibules, and typical equipment rooms.
3. Grade C Fireproof Door: Essential Protection
Fire Resistance Limit:At least 0.5 hours
Appropriate Scenarios: Ideal for cable shafts, pipe shafts, smoke exhaust ducts, and other low-risk vertical pipe shafts, ensuring basic fire safety.