PPR Pipe Material: Random Polypropylene Size: from 16mm to 160mm available Pressure Rating:S5/S4/S3.2/S2.5/S2 Standard: GB/T18742.1 GB/T17219 Colors:light grey or white. Pipes for cold water are marked with blue stripes while pipes for hot water are marked with red stripes. Other colors are also available on request. Features and Benefits 1.High temperature resistance: the maximum sustained working temperature is up to 70°C and the maximum transient temperature is up to 95°C. 2.Heat preservation:low thermal conductivity 0.24W/Mk, which is only 1/250 of metal tubes 3.Non-toxic:no addition of heavy metallic salt stabilizer, no fouling, no second pollution of fungus and bacterium and so on 4.Corrosion resistant: corrosion resistance of chemical mediator , no electrochemical corrosion 5.Low friction drag:smooth interior walls leads to low friction drag 6.Excellent flexibility:can be coiled 7.Low installation costs:installation costs can be saved significantly for light weight. 8.Longevity: more than 50 years under proper use 9.Recycled and environment-friendly Applications and Areas 1.Cold and hot water supply 2.Heating system including flooring heating, wall heating ,etc 3.Heating and radiant heating system 4.Central air conditioning system 5.Industrial liquids transportation