How many degrees will the general security door be deformed?

There are cheap ones, and there are also very expensive ones, of course, the expensive ones must be of better quality, so you still choose according to your needs.

It depends on what brand you choose! The location of the installation depends on the daylight time! It's usually around 60 degrees!

The suitable environmental conditions for solid wood furniture are temperature 15 25 and relative humidity 55% 75%. Under these conditions, the tension and shrinkage of the wood is small, the durability of the paint is high, and the dimensional stability of the furniture is good. >>>More

Grade A single door is generally about 3000, and the price of Grade A door is more than 3000.

The real anti-theft door is about four or five hundred yuan, and most of the cheapest ones are fakes Distinguish the anti-theft door: in addition to the anti-theft door on the market, there are steel doors, anti-pry doors, security doors, armored doors, etc., the so-called real D-level anti-theft doors must be tested by the statutory testing institutions, China's only anti-theft door standard is the GB17565-1998 "General Technical Conditions for Anti-theft Security Doors" formulated by the Ministry of Public Security in 98, which clearly points out that one of the main standards for anti-theft doors is the abnormal opening time of the anti-theft door is 15 minutes, In other words, the door cannot be broken within 15 minutes by using ordinary tools such as chisels, screwdrivers, and crowbars, and portable power tools such as hand drills""Security door""In addition, another standard for the anti-theft door is the thickness of the façade "=, the thickness of the iron sheet of the door frame" =.