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YATONG PIPELINE
PPR pipe
PPR pipes, also known as random copolymer polypropylene pipes, have advantages such as energy saving, material saving, environmental protection, light weight and high strength, corrosion resistance, smooth inner wall without scaling, and convenient construction and maintenance. They can be used as cold water pipes and hot water pipes. The hot melt connection is highly reliable, and the service life is long. They are widely used in building water supply and drainage, urban and rural water supply and drainage, and industrial fluid transportation.
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PPR pipe
| Serial Number | Name | Unit | Bidder's Required Value | Bidder's Guaranteed Value |
| 1 | Density g/cm³ | g/cm³ | 0.90~0.94 | 0.90~0.94 |
| 2 | Tensile Strength (23±2℃) |
kPa | Pipe: ≥25MPa Joint: ≥22.5MPa |
Pipe: ≥25MPa Joint: ≥22.5MPa |
| 3 | Elongation at Break | ≥400% | >400% | |
| 4 | Flexural Strength (23±2℃) |
≥36Mpa | >36Mpa | |
| 5 | Flattening Test (50% of inner diameter) |
℃ | No breakage | No breakage |
| 6 | Vicat Softening Temperature (GB/T 1633A50 method) |
% | ≥150℃ | ≥150℃ |
| 7 | Drop Weight Impact | No cracks or breaks appeared on any samples. | No cracks or breaks appeared on any samples. | |
| 8 | Ring Stiffness (3%, room temperature) |
≥32kPa | >32kPa | |
| 9 | Minimum Allowable Bending Radius | <75D | ≤75D | |
| 10 | Non-roundness mm: | <2 | ≤2 | |
| 11 | Coefficient of Sliding Friction | ≤0.35 | ≤0.35 |
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