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general fireproof door corp,fire rated door assembly,fire rated door 90 minute

The fire resistance time of Class A steel fire door shall not be less than 1.5 hours. The interior of Class A fire door is generally perlite, with a small amount of refractory materials such as vermiculite fire board, foam door core board, MC compliant materials, etc.

general fireproof door corp,fire rated door assembly,fire rated door 90 minute-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door

fire rated door 90 minute,ក្រុមហ៊ុនផលិតទ្វារធន់នឹងភ្លើងនៅទីក្រុងបុមបៃ,general fireproof door corp,fire rated door assembly,

ក្រុមហ៊ុនផលិតទ្វារធន់នឹងភ្លើង, ទ្វារធន់នឹងភ្លើងសម្រាប់ផ្ទះ, ទ្វារធន់នឹងភ្លើង,fire rated door 90 minute,ទ្វារសុវត្ថិភាពដែក, ស្តង់ដារទ្វារធន់នឹងភ្លើង, ទ្វារធន់នឹងភ្លើង,general fireproof door corp,សោទ្វារធន់នឹងភ្លើង,fire rated door assembly,

ធន់នឹងភ្លើង, ថ្នាំលាបទ្វារ,fire rated door 90 minute,ទ្វារធន់នឹងភ្លើងម៉ាឡេស៊ី ទ្វារដែក