pvc pipe threading specification, Xiong Wang Thai (certified), Suining pvc pipe threading provided by Xiong Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) is specialized in the "plastic tube, MPP power tube, CPVC pipe electricity, irrigation pipes, HDPE pipes, p" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Fengjing Li. Identify PVC edit (1) Look at the surface finish of pvc pipe threading, and whiteness. (2) take samples fell pvc pipe threading models, 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 samples with side foot pipe, see if you can crack or split after breaking elongation. (4) weather very troublesome aspects. The most direct way is to get a high 温高光 place to put a few days to see if the rate of change of surface pvc pipe threading offer, but a waste of time. Mainly to see the former three like. Xiong Wang Thai Plastic and water supply pipe pe international standard (ISO4427) was officially released until 1996. Our reference in 1999 to write the national standard ISO4427 GB / T13663, and Hebei pvc pipe threading promulgated in 2000, but has standard pe pipe fittings, engineering and other technical specifications continues perfected. This shows that domestic pe pipe quality has not been stable, pipe fittings supporting not perfect, and therefore can not ensure the production, construction quality. Xiong Wang Thai Plastic Products