Will the use of honeycomb paper for the filling material of the security door affect the safety perf

Nowadays, many of the fillers of the security door are honeycomb paper, and the quality of the security door has nothing to do with what the filling inside the security door is. The padding only plays the role of cushioning, sound insulation, etc. So don't care too much about what the filling of the security door is, but care about whether the steel plate of the security door is up to standard. >>>More

Nowadays, many of the fillers of the security door are honeycomb paper, and the quality of the security door has nothing to do with what the filling inside the security door is. The padding only plays the role of cushioning, sound insulation, etc. So don't care too much about what the filling of the security door is, but care about whether the steel plate of the security door is up to standard. >>>More

Which door do you want to see Huajue? Some are aviation aluminum foil, some are rock wool, and some are honeycomb paper.

There must be ah, otherwise the door will be out of shape.

At first, I was also curious about this question, do you say that paper can prevent theft? Later, I heard from professionals that in fact, the filling of honeycomb structure is a material allowed by national standards, and it is the best sound insulation and thermal insulation effect. He also asked me rhetorically, I said, are all steel doors, can you open them? >>>More