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1 hour fire rated door,60 minute fire rated door,double leaf clean partition door fire rated 60 min

Apartment fire doors are mostly class B, generally used for fire access, fire resistance time is 1 hour. Class B-steel fire door, with good sound insulation effect. Its surface spraying electrostatic powder, the surface is beautiful, strong, fire resistance, integrity, good insulation.

https://ztfiredoor.com/24752.html

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1 hour fire rated door,60 minute fire rated door,double leaf clean partition door fire rated 60 min-ZTFIRE দরজা- ফায়ার ডোর, ফায়ারপ্রুফ দরজা, ফায়ার রেটেড ডোর, ফায়ার রেজিস্ট্যান্ট ডোর, স্টিল ডোর, মেটাল ডোর, এক্সিট ডোর