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Anonymous users2024-01-24You're honeycomb paper... A lot of security doors are made of this!! However, now it can also be selected in the market, mainly pasted with honeycomb paper. Rock wool, foamed.
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Anonymous users2024-01-23If the security door of the brand is fenced and reinforced, and is filled with high-density high-pressure polyether foam filling polymer (such as Maxim's), the general inside is just honeycomb paper.
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Anonymous users2024-01-22What brand is your security door? I only know two big brands. The flying clouds are extended. What I hope is foaming.
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.
The lock knob inside the security door controls a deadbolt. With this small knob, when people are in the door, if they are too lazy to use the key to directly lock the anti-theft door, through this knob, it will save the situation of using the key to lock the door. Moreover, if the door is not locked inside, the door can be opened outside, but after using this small knob to reverse the lock, the security is improved. >>>More
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.
Forget about gradient sound-absorbing cotton, it's just a gimmick. >>>More