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Nowadavs, plastic pipe has been widely applied in many fields: convey liquid, gas and heat, cable protection, irrigation and other applications. There are many plastic pipes made by different plastic materials. Below are advantages and disadvantages of several common plastic pipes for comparison.


Plastic Pipes

Advantages

Disadvantages

HDPE pipe

Good toughness, good fatigue strength, good temperature resistance,

light weight, good flexibility and good impact resistance

Need electrical welding , mechanical connections, large fittings

PVC/UPVC pipe

Strong corrosion resistance, ease of bonding, cheap, hard texture

UPVC monomer and additives may ooze out of pipe, not suitable for hot 

water transport,require high bonding technology for joints and longer curing time

PPR pipe

Good temperature resistance

Under same pressure and medium temperature, it has the thickest wall.

PEX pipe

Good heat resistance, good creep resistance

Can only be connected by metal parts, can not be recycled for reuse

PB pipe

Good heat resistance, good tensile and compressive strength,

good impact resistance, low creep and high flexibility

Price of PB material is relatively higher

CPVC pipe

Has the best temperature resistance among these pipes

good anti-aging performance

Price of CPVC material is relatively higher

PEX-Al-PEX pipe

Easy bending and forming, completely eliminating oxygen permeation

and small linear expansion coefficient

Non-uniform wall thickness

ABS pipe

High strength and impact resistance

Poor UV-resistance and longer adhesive curing time


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