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PVC Resin Sg3/Sg5/ Sg7 /Sg8 PVC Resin with K Value K67/K65/K68
Specification:TypeSG1SG2SG3SG4SG5SG6SG7SG8K value77-7574-7372-7170-6968-6665-6362-6059-53viscosity,ml/g156-144143-136135-127126-119118-107106-9695-8786-73average degree of polymerization1785-15361535-13711370-12511250-11361135-981980-846845-741740-650Number of impurity particles,pc max 30max 30max 3......
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Product Description
Specification:
Application:
HDPE pipe grade can be used in the production of pressure pipes, such as pressurized water pipes, fuel gas pipelines and other industrial pipes. It can also be used for making non-pressure pipes such as double-wall corrugated pipes, hollow-wall winding pipes, silicon-core pipes, agricultural irrigation pipes and aluminum plastics compound pipes. In addition, through reactive extrusion (silane cross-linking), it can be used for producing cross linked polyethylene pipes (PEX) for supplying cold and hot water.
| Type | SG1 | SG2 | SG3 | SG4 | SG5 | SG6 | SG7 | SG8 |
| K value | 77-75 | 74-73 | 72-71 | 70-69 | 68-66 | 65-63 | 62-60 | 59-53 |
| viscosity,ml/g | 156-144 | 143-136 | 135-127 | 126-119 | 118-107 | 106-96 | 95-87 | 86-73 |
| average degree of polymerization | 1785-1536 | 1535-1371 | 1370-1251 | 1250-1136 | 1135-981 | 980-846 | 845-741 | 740-650 |
| Number of impurity particles,pc | max 30 | max 30 | max 30 | max 30 | max 30 | max 30 | max 40 | max 40 |
| Volatile,% | max 0.4 | max 0.4 | max 0.4 | max 0.4 | max 0.4 | max 0.4 | max 0.4 | max 0.4 |
| appearing density, g/ml | min 0.42 | min 0.42 | min 0.42 | min 0.45 | min 0.45 | min 0.45 | min 0.45 | min 0.45 |
| Residual after sieve,0.25mm, % | max 2.0 | max 2.0 | max 2.0 | max 2.0 | max 2.0 | max 2.0 | max 2.0 | max 2.0 |
| Residual after sieve, 0.063mm,% | min 90 | min 90 | min 90 | min 90 | min 90 | min 90 | min 90 | min 90 |
fish eyes, pc/400cm2 | max 40 | max 40 | max 40 | max 40 | max 40 | max 40 | max 50 | max 50 |
| Plasticizer absorption value of 100g resin, g | max 27 | max 26 | max 26 | max 23 | max 19 | max 15 | max 12 | max 12 |
whiteness(160ºC, 10min), % | min 75 | min 75 | min 75 | min 75 | min 75 | min 75 | min 70 | min 70 |
VCM Residue, ppm | max 10 | max 10 | max 10 | max 10 | max 10 | max 10 | max 10 | max 10 |
Application:
HDPE pipe grade can be used in the production of pressure pipes, such as pressurized water pipes, fuel gas pipelines and other industrial pipes. It can also be used for making non-pressure pipes such as double-wall corrugated pipes, hollow-wall winding pipes, silicon-core pipes, agricultural irrigation pipes and aluminum plastics compound pipes. In addition, through reactive extrusion (silane cross-linking), it can be used for producing cross linked polyethylene pipes (PEX) for supplying cold and hot water.
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