We often see a layer of aluminum foil wrapped on the insulation material, so what is the use of this layer of aluminum foil? (1) The waterproof layer is protected to avoid damage to the waterproof layer by thermal stress, ultraviolet rays and other factors; (2) Excellent moisture resistance makes ... READ MORE
1. Elephant trunk lock is also called rebound buckle and rebounder. It is small in size and powerful in function. It is mostly used to open and close the door. The biggest feature is that after installing the elephant trunk lock, you don't need to use the handle to open the door. You can open the do... READ MORE
The main functions of the fire-resistant and flame-retardant sealing strip: fire-resistant and flame-retardant, insect-proof, wind-proof, lightweight, anti-collision, sound-proof, smoke-proof, waterproof, and sealed. The characteristics of the fireproof sealing strip are as follows: 1. Expansi... READ MORE
Ceiling inspection openings are generally indicated by openings in drawings according to the definition of board holes. Although the ceiling access opening is not a necessary process in the home decoration process, its installation can help us achieve more satisfactory results in the later stage, an... READ MORE
1. Corrosion protection After plastic spraying treatment, a solid plastic film is formed on the steel surface, which has very good corrosion resistance and can effectively prevent the steel surface from being oxidized and corroded by water. Step 2 be beautiful After plastic spraying, the surface ... READ MORE
Industrial large fan:industrial large fan is a widely used cooling equipment, which can be installed and used in almost any place except home. Moreover, the installation of industrial large fan does not occupy area and space, which is energy-saving and environmentally friendly. A single industrial l... READ MORE
1. Pay attention to the storage environment of cartons, especially in damp places, and never use them to store cartons; 2, the underground should be raised, you can use wooden boards to overhead, and there should be a certain space for air circulation below, so as to avoid the influence of moisture... READ MORE
negative pressure fan: negative pressure fan is a common cooling device used in the workshop. It is a machine that uses air convection and negative pressure ventilation to cool down, and naturally sucks fresh air from the opposite side of the installation site-the door or window, and quickly forcibl... READ MORE
The purpose of the box-dropping test is to detect the functional compliance requirements. In the process of cargo handling and transportation, there may be unexpected situations such as free falling and accidental box-dropping, and it is necessary to investigate whether the outer packaging can effec... READ MORE
More and more access doors ,ceiling access panel ,drywall access panels are developed .welcome to find us for discussion ceiling and drywall access panels and access doors .Xinchang Fengze Machinery Co.,Ltd Tel:0086-575-86382098 Mobile:86-13777333448 wechat: mary578287 Email: [email protected] what... READ MORE
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