The root of the door and window top is a plastic bottom plate. Its anti-aging property and low-temperature brittleness also need to be ensured by suitable formula and high-quality raw materials, otherwise it will directly affect its service life.
The root of the door and window top is a plastic bottom plate. Its anti-aging property and low-temperature brittleness also need to be ensured by suitable formula and high-quality raw materials, otherwise it will directly affect its service life. If the side flaps are added on the bottom plate to make the tops difficult to fall, the overall sealing performance can be improved, the service life can be prolonged, and the sticking phenomenon of the door and window tops and the profile sealing strip grooves can be reduced during the assembly process.
Structurally, the door and window tops can be divided into normal type and intermediate sandwich type. On the basis of the former, the latter adds a polyethylene film or a siliconized non-woven fabric in the middle of the door and window tops to completely insulate the air circulation between the gaps of the sealing hair, so the sealing performance of the intermediate interlayer sealing strip is 5 times better than that of the ordinary sealing strip. the above. The air permeability of the doors and windows made of it can reach the highest level in the country.
Zhengxin Decoration Materials Factory specializes in producing all kinds of door and window sealing tops, and introduces international level production equipment. Its production capacity, product quality and service are in a leading position in China. Welcome all customers to consult and purchase.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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