HDPE Pipe TGG DIN 8074/8075 Price Chart
HDPE pipes have 2 key classes for contractors to choose. PN100 offers thinner skin and subsequently more space to circulate water. The good thing about thinner skin is that it allows more flexibility for bending purposes. HDPE PN80 is the thicker range and therefore cheaper. The benefit is that it doesn't need to be installed at the too deep level. Each pipes is classified into various pressure rate, with higher number the better rate.
This HDPE product is made under TGG brand and receive DIN 8074/8075 and ISO 4427 certification by Thai Industrial Standard Institute