function

1. Anti-theft performance: Class B anti-theft;

2. Sound insulation performance: the sound insulation effect can reach 35 decibels;

3. Thermal insulation performance: heat transfer coefficient k ≤ 2.0w/m2.k.

4. Airtightness: Airtightness is not lower than Grade 4;

5. Fire resistance: fire resistance time is 1.00 h;

6. Durability: After repeated opening and closing for 200,000 times.

characteristic

1, according to the decoration requirements, can be equipped with different decorative styles;

2, door frame, door cover, door leaf style into one;

3, both anti-theft, sound insulation, fire prevention and sealing functions.