What is the thickness of the Grade A security door?

It should be called anti-theft fire door, this standard has relevant policies in Shanghai and Chongqing, there is basically no such requirement in other places, the anti-theft steel plate reaches the D level on the line, the front and rear of the Class A fire door panel, the thickness of the door frame reaches the D level, but the lock point does not reach more than 6.

It is recommended that you buy a 9 cm double hook edge, because the 9 cm door is stronger and durable, if you want to buy a 7 cm door, it is recommended that you buy a single hook edge, because I am a professional anti-theft door, the front panel of the 7 cm door is, the rear panel is, the front plate of the 9 cm is the rear panel, it is recommended that you do not buy a 5 cm door.

The filling material inside the Class A fireproof door is generally made of perlite, the difference is only the thickness is different, and individual fireproof materials such as foamed door core board, vermiculite fireproof board, MC conforming material and so on will be used. The thickness of the Grade A fire door is generally 50mm, the thickness of the steel plate of the door frame: , the thickness of the steel plate of the door leaf. >>>More

How much money do you want to buy. I can only tell you that below 1300 is a fake.

When making it, the sparks cut out of the 201 plate with a cutting machine are larger, and the sparks are splashed randomly and irregularly. The sparks cut out of 304 are small and in a straight line. >>>More