13/02/2026
HDPE pipe is a thermoplastic pipe made from high-density polyethylene. It ranks ๐ฅ 2nd in global plastic pipe consumption and is known for ๐ช high strength, ๐ก๏ธ corrosion resistance, ๐ flexibility, and โณ long service life.
๐ฅ 1. Core Performance
๐ก๏ธ Temperature range: -60ยฐC to 60ยฐC (general), โ not for hot water (long-term โค45ยฐC)
๐
Service life: 50 years outdoor use with carbon black formulation
โ๏ธ Wear resistance: 4ร that of steel pipe
๐ง Hydraulic performance: Manning coefficient 0.009, low flow resistance
๐ Joint strength: Hot-melt joint strength > pipe body
๐ 2. Specifications & Standards
โ๏ธ Pressure ratings: 0.25โ1.6 MPa
๐ท๏ธ Water/gas mains: PE80, PE100 (PE63 phased out)
๐ Diameter range: DN32โDN1000 (standard), ๐๏ธ large projects up to DN4000
๐งฑ 3. Main Product Types
๐งช Solid wall pipes ยท ใฐ๏ธ Double-wall corrugated pipes ยท ๐งต Wound structured-wall pipes (Type A / Type Bๅ
ๆ็ฎก)
๐ฐ By application: Water supply ยท ๐ฅ Gas ยท ๐ง๏ธ Drainage ยท ๐งช Chemical ยท ๐ง Trenchless ยท โ๏ธ Mining
๐ 4. Applications & Limitations
โ
Main uses:
๐๏ธ Municipal water supply & drainage ยท โก Medium/low-pressure gas ยท ๐ญ Industrial acid/alkali transport ยท ๐ ๏ธ Trenchless rehabilitation
โ Restrictions:
๐ซ Not for hot water ยท โ ๏ธ Not resistant to strong oxidizers (e.g. concentrated nitric acid, xylene)
