1, Importance of materials
Most of them use EPDM and Sandu equal materials, and some manufacturers will choose high-quality and reasonable silicone sealing strips. These three kinds of sealing strips are rubber systems, which are far better than the traditional PVC (plastic system) sealing strips in performance and service life.
2, Importance of mouth design (design ability of postgraduate entrance examination manufacturers)
Silicone sealing strip is a continuous extrusion product. It is very important to adjust the formula and design the sealing strip mold with qualitative and quantitative theory according to the physical properties of the formula (such as hardness and compression rate). No matter how good the rubber has no reasonable shape design, it can not give full play to the advantages of silicone sealing strip.
3, Importance of dimensional tolerance (test the manufacturer's management and production capacity)
Because rubber is elastic, excessive pulling or extrusion will cause dimensional tolerance in the process of product shaping, packaging, storage and transportation. However, the product should be controlled within an allowable tolerance range. The qualified finished products of each batch of silicone sealing strip can not feel the size difference with the naked eye and hand. When making products, the staff must often measure with caliper or test with profile to control some key dimensions.
Although the silicone sealing strip is light and small, it plays an important role. The fact also tells us that details determine success or failure. The selection of high-quality silicone sealing strips can make the product experience better, not only bring considerable profits, but also improve the brand image of the enterprise and make the enterprise develop better and faster.