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Anonymous users2024-01-24The inside of the fireproof door is filled with glass magnesium board.
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Anonymous users2024-01-23According to their inspection report to fill, most of the glass magnesium fireproof board is now used, Xiamen, fireproof door, manufacturer, week 2O4, 799, 7O74
Buyang boutique filling prefers aluminum foil, the advantage of this filling is that it can withstand high temperature of more than 1000 degrees Celsius and is light in weight, while the disadvantage is that the metal filling conducts sound and temperature quickly, resulting in unsatisfactory heat preservation and sound insulation.
Summary. The fillers inside the security door mainly include: honeycomb paper, aviation aluminum foil, and perlite slabs. >>>More
The filling inside of the Gujia security door is aluminum foil, which has the functions of heat protection, sound insulation and fire prevention, so you can choose, as for how thick the front and back sides are, it depends on the situation.
Good anti-theft socks are filled with anti-rolling aluminum foil behind closed doors, followed by foaming agents, which can be filled with rock wool is good, and the cracks that are filled with honeycomb paper are not called anti-theft doors, but steel doors. What can I do, get a new one.
Generally, ordinary anti-theft doors are filled with honeycomb paper, and some high-end ones are filled with Lv honeycomb, and if the fire door is fireproof, perlite slabs or foam are used.