pvc pipe identification method 1: Look at the surface finish, and whiteness. 2: Take a sample wrestling, easily broke calcium product generally is, of course, you have to comply with the requirements of the price is right, then it is possible. 3: Take a sample with side foot pipe, see if you can split the chemical pvc pipe, or elongation at break after the split. (Generally you have to try to put a good set of lines, ha ha, otherwise people can not let you step on) 4: weather terms. The most direct way is to get a place to put a high 温高光 pvc pipe a few days to see if the rate of change of the surface, but a waste of time. Mainly to see the former three like. Affect the quality of pipe materials and equipment and pipelines. These factors in the domestic and foreign manufacturers are the same. PVC (full name Polyvinylchlorid), the main component of PVC, while adding other ingredients to enhance its heat resistance, toughness, ductility. This table top layer mask is painted, the main ingredient in the middle of the PVC, the lower is the adhesive-backed. the nature of the application of pvc pipe PVC pipe is a vacuum plastic film for packaging various types of panel surface, it is also known as decorative films, with film, used in building materials, packaging, pharmaceutical and other industries. Building materials industry accounted for the largest proportion, 60 percent, followed by industry, packaging industry, there are a number of other small-scale applications. PVC pipe is divided into two kinds of PVC water supply and drainage, water supply and drainage for municipal and industrial water supply and drainage, civil drainage, irrigation, watering and other vegetation. pvc pipe drying conditions: usually do not require drying. Melting temperature: 185 ~ 205C. Mold temperature: 20 ~ 50C. Injection pressure: can be as large 1500bar holding pressure: can be as large as 1000bar injection speed: To avoid material degradation, the general use of the injection speed considerably. Runners and Gates: All conventional gate can be used. If the processing of smaller parts agent pvc pipe, it is best to use the tip gate or sneak into the gate; for thicker parts, it is best to use the fan gate. The minimum diameter of the tip gate or sneak into the gate should be 1mm; fan gate thickness not less than 1mm. Typical uses: water supply pipes, home plumbing project pvc pipe, house siding, business machine housings, electronics packaging, medical equipment, food packaging. pvc pipe company _pvc pipe _ sea Widex Widex provided by Qingdao Rubber Material Co., Ltd. Widex Qingdao Rubber Material Co., Ltd. (www.haihuidaxiangsu.com) strong, credible, in Qingdao, Shandong industrial products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the sea Widex and you work into the brilliant, for a better future!