Although the development of the security door industry has been around for a long time, but the consumer's understanding of the security door products is still very small, let Xiaobian give you the following professional knowledge of the security door, so that you can go to the market to buy security door products in the future.
According to the relevant regulations of the state, a real standard for a security door is that its abnormal opening time must be at least 6 minutes. That is to say, in 6 minutes, it is impossible to break the door with a portable electric tool such as a chisel, a screwdriver, a crowbar or the like and a hand drill, and it is a real security door. The abnormal opening time of the "steel door" is within 5 minutes. How can I identify the security door and the steel door? The police said that the real security door has a "steel seal" indicating the safety level. The corresponding mark on the "stencil" circle has the words A, B, C and D. The gravure form of the Song body is fixed at the upper corner of the inner hinge and about 160 cm from the ground. If you want to see if your door is a standard security door, you can look for it on the door.
According to the police, at present, the anti-theft capability of the D-class security door can fully meet the daily needs. However, it is worth mentioning that regardless of the security door in the public's home, whether the A-level lock or the B-level lock is installed, if the door is not locked, it means that there is no lock. In the upper left corner of your home security door, there is a circular stamp on the height of 160 cm from the ground? Do you know that many commercial steel doors are pretending to be anti-theft door sales?.... In the Science and Technology Publicity Week of the Taiyuan Municipal Public Security Bureau launched this week, the issue of door and window anti-theft has become the focus of the people's attention. On May 21, the reporter made a special interview with the police, quality supervision, dealers and other parties, telling you how to identify the real and false security doors.
The steel plate of the security door frame, the higher the level, the greater the thickness, the lower level of the ding grade is also 1.5 mm, and the steel plate and other steel plates are less than 1.5 mm thick. The national standard divides the anti-theft security level of the security door into "A", "B", "C" and "Ding" level 4. The security door with different anti-theft levels has different security features. Class A anti-destruction time shall not be less than 30 minutes, Class B shall not be less than 15 minutes, Class C shall not be less than 10 minutes, and Class D shall not be less than 6 minutes. “A lot of Taiyuan citizens’ homes are not real security doors, they can only be called steel doors.†The staff of Taiyuan City Quality Supervision and Inspection Bureau said that in daily life, citizens often refer to steel doors as security doors. It is a misunderstanding of understanding. In the event of an emergency, steel doors, anti-smashing doors, security doors, etc., do not have anti-theft functions.
The security door filler paper is a special paper and is not a counterfeit product. At the site of the Science and Technology Publicity Week, when I learned that my security door may be "paper", the question that most citizens ask most is, "Does such a door be a fake or shoddy product?" According to the introduction, The door leaf of the security door is mainly composed of two steel plates and a middle filler. Even paper is special paper. National testing agencies at all levels are recognized for the use of this material in security doors.
Usually, the key to strong anti-theft is to look at the thickness of the steel plate and the anti-theft of the lock cylinder; some thick anti-theft doors are not conducive to safety. In addition, the fire door and the security door are completely two concepts. The fire door should have the characteristics of fire prevention and easy escape. The higher the security of the security door, the more difficult it is to enter, and it does not meet the requirements of easy escape.
At present, the Ding-class security door of the cheapest brand in the provincial capital market is more than 800 yuan. The merchants generally regard the thickness and weight as the selling points, and these two points are precisely the factors that the industry believes have little to do with the anti-theft performance. After interviewing many security door dealers in the provincial capital, the reporter learned that according to the "General Technical Conditions for Anti-theft Security Doors" (hereinafter referred to as the national standard) that was implemented in 2008, the state has different thicknesses of the security door leaf steel plate thickness, the thickness of the door frame steel plate and its use. The level of anti-theft locks is mandatory, but there is no provision for what filler to use between the front and rear door panels. Normally, the security door fillers sold in the south use honeycomb paper, and the north uses polyphenylene materials, both of which have sound insulation and heat preservation effects. "Don't feel that it is unsafe when you have paper in the door. In fact, honeycomb paper can isolate air circulation and is a good insulation and sound insulation material." A provincial-based anti-theft salesman introduced in the province, Zhejiang Yongkang, China. The security door manufacturers almost all use honeycomb paper as the filling material for the security door, and the testing institutions at all levels in the country are recognized for the use of this material for security doors.
Postscript, correctly understand the security door products, to understand the security door with the correct concept, correctly distinguish the standard level of anti-theft door products, etc., to help consumers correctly purchase security door products.
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