- 08
- Dec
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.
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