The stable random copolymerized polypropylene pipe(stable PP-R pipe for short) is a kind of latest environment-friendly composite tube, which is made up of a metal tube and a series of protective layers fixed together by specialized hot colloidal sols

 Performance attributes

1, The coefficient of thermal expansion of it is 1/3 that of the common PP-R tube and it will not be distorted by the long period of exposure to hot water.

2, The Aluminum and the plastic are fixed tightly, which renders it union fast and ensures a longer  ability.

3, It adopts the homogeneous connection by hot colloidal sols and is conveniently fixed reliable and timesaving.

4, It is hygienic and innocuous. It meets the standard of GB/T17219-1998 and is qualified for a type of environment-friendly product.