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Product Description
PP resin pipe grades(PPR) for drain-pipe, cold water pipe
Certified PPR random copolymer engineered as premium hot water pipe grade material meeting ISO 15874 resin standards. This high temperature PP excels in pressurized systems (up to 95°C), delivering unmatched thermal stability and stress resistance. As a reliable pressure pipe compound, it ensures decades of service in potable water, heating networks, and industrial applications.
| Product | Melt Index | Density | TDS |
Yanshan K4220 | 0.3 | 0.90 |
●Density: 0.90-0.91 g/cm³
●MFR: 0.3 g/10min (230°C/2.16kg)
●Tensile Strength: 26-34 MPa
●Thermal Conductivity: 0.22-0.24 W/m·K
●Long-Term Hydrostatic Strength (LTHS): 50-year service life at 70°C/3.2 MPa (ISO 9080)
●Creep Resistance: Minimal deformation under continuous pressure
●Thermal Expansion Coefficient: 0.15 mm/m·K (low expansion for stable joints)
●Fusion Welding Compatibility: Excellent socket/butt fusion integrity
| Sector | Typical Products | Case Reference (Link) |
Potable Water Systems | Residential plumbing, district heating networks | Repsol, Borealis |
Industrial | Chemical lines, compressed air systems | Ravago, SABIC |
Radiant Heating | Underfloor heating circuits | ALBIS, Entec Polymers |
Medical | Hospital oxygen pipelines | Avient, Resinex |
ISO 15874
DIN 8077/8078
WRAS/ACS/KTW
DVGW W270
| Document Type | Download Link | Version |
PP-R Grade Datasheets | ||
Certification Kits | WRAS/ACS/DVGW certificates | |
Processing Manuals |
| Qinglin Polymer Warehouse | We export to |
QL Polymer Qingdao port warehouse QL Polymer Tianjin port warehouse QL Polymer Linyi port warehouse QL Polymer Shanghai port warehouse QL Polymer Ningbo port warehouse QL Polymer Huangpu port warehouse | Pakistan Bangladesh |
●MOQ: 20-25 tons (full container load)
●Lead Time: 8-16 weeks (PP-R requires controlled reactor grade)
●Packaging: 25-kg UV-protective bags on pallets
●Customization: Stabilizer packages: UV, antioxidant, copper inhibitor
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