The common fire doors in general buildings are Class A fire doors. Class A fire doors are divided into Class A, Class B and Class C according to their fire resistance and heat insulation performance. 1. Class-A fire door: The fire resistance time is not less than 1.5 hours, which is an important st... READ MORE
The market for plastic profiles and doors and windows is gradually heating up, spurring a new investment boom, and the injection of new capital has also given a strong impetus to the development of the entire industry. It is expected that there will be 1,200 to 1,300 domestically produced extruders ... READ MORE
The characteristics of plastic access panels are as follows: 1. Lightweight material: Plastic access hatches are mainly made of polymer materials, so they are relatively lightweight and easy to handle and install. 2. Corrosion resistance: Plastic inspection openings have good corrosion resistance an... READ MORE
The characteristics of fireproof access doors are as follows: 1. Fireproof performance: Fireproof access doors have excellent fireproof performance, which can prevent the spread of fire when a fire occurs and buy time for personnel to evacuate and put out the fire. 2. Fire resistance: Fireproof acce... READ MORE
The difficulties of fire rating access panel Production: 1. Design requirements: The design of fire protection access openings needs to meet the requirements of relevant fire protection regulations. For example, the size, location, and materials of the access openings need to be strictly controlled.... READ MORE
A fire-rated access hatch was chosen for its ability to provide fire protection and ease of maintenance. Fire inspection openings can prevent the spread of fire in the event of a fire and buy more time for personnel to evacuate and put out the fire. At the same time, the design of the inspection por... READ MORE
The advantages of inspection ports mainly include: 1. Strong aesthetics: After the installation is completed, the anti-theft door forms a whole. Unlike the original artificial anti-theft door which has obvious seams, the appearance is more beautiful. 2. High strength: The material of the cover is de... READ MORE
1. Leakage and electric shock When dealing with built-in household appliances, the side position should be reserved so that it is easy to move when the appliance fails. The refrigerator should not be located on the stove, and it should not be too close to the vegetable washing pool to avoid leakage... READ MORE
What are the characteristics of abs material?Harmless：ABS material is generally harmless to the body: 1. ABS material is usually non-toxic: ABS is a synthetic resin material, its properties are relatively stable, and it has no direct toxic effect on organisms. 2. Additives in plastics may be harmful... READ MORE
When decorating, it is necessary to leave the manhole. If there is a problem, leave the manhole for more maintenance. Need to leave a manhole place mainly include: 1. Streets of electric wires; 2, tap water pipe street; 3. Heating valve; 4, electric box and other places. READ MORE
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