PE4710, for example, means that the product is made of polyethylene with a “4” rated density, “7” rated slow crack growth class, and has a 1,000-psi maximum recommended HDS with a 0.63 design factor at 23 degrees Celsius in accordance with ASTM D3350 and the stress rating policies in the Plastics Pipe Institute’s PPI- …

Is PE4710 a HDPE?

PE 4710 pipe is produced from the highest rated HDPE pipe materials. This is a long lasting, fusible pipe. PE4710 pipe is a pressure rated product and listed under the Plastics Pipe Institutes (PPI) Technical Report Four (TR-4 @ > PPI Publications > Technical Reports).

What is PE3408?

PE3408. PE3408 has a resin designation of 3, a crack resistance factor of 4, and a HDS of 800 psi at 73F. Because this classification has been in existence for quite some time, it is sometimes included in specifications even when another pipe is actually being used, such as PE3408/3608 or PE3408/4710.