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onekin fireproof door core board non-combustible grade A for fireproof door
For light woden door: 220 - 280 kgs/m3
For normal door: 280 - 340 kgs/m3
For special steel door: 350 - 500kgs/m
Onekin door core use for many kinds of fire door:
1. fire resistant timber door sets
2. fire resistant steel door sets
3. fire resistant timber door sets with steel structure
4. other materials fire resistant door sets
contact us
Caroline Yu
Sales Dpt.
Emai:sales222@onekingroup.com
Mob:+86-13635380980(WhatsApp/WeChat)
www.onekingroup.com