FR-PPR water pipe?

what is called FR-PPR water pipe ? how about its specifications and special usage and advantage ?how 's the price ?

Answers:
new type of compound pipe for cold & heat water ,can be used as long as 50 years in the field purvey water ,heating, central air controllor,with material as special polypropylene materials ,the FR-PPR water pipe is cleanliness &innocuity,with the all good feature of PPR but more advantages......
this kind of water pipe can be used in normal temperature circumstance as 95~100℃ .

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