With the PVC pipe in the pipe industry in the position of step by step rise, some unscrupulous manufacturers began to inferior charge, sub-prime charge, the use of PVC pipe in the pipe industry in the pipe industry has become the world's largest, To harm the safety and interests of consumers; So, how to identify the quality of PVC pipe?
1, high-quality PVC pipe with foot kick and even rolling will not be flattened will not crack more broken, low-grade PVC pipe can be broken with foot kick.
2, in order to increase the strength of PVC pipe in the production need to add the right amount of calcium powder, but calcium will add excess, then the pipe becomes brittle, standard quality PVC-U pipe was light beige, if the pale pipe that Indicating calcium powder to add excess (calcium powder cheap).
3, PVC pipe quality visual method: PVC-u pipe material source is oil, we know that the first process of crude oil is the product of fuel, the second is PE and PVC and other industrial products, the last one is asphalt, so PE And PVC in the number of oil content, therefore, first, we look at the PVC and PE pipe when the first to see its brightness, surface gloss good looks oily very high quality products.