Application | tubing |
Test item,unit | Quality Index | Test result | |||
Superior product | First grade | Qualified | |||
Viscosity mL/g | 118-107 | 109 | |||
Apparent density g/mL | ≥ | 0.48 | 0.45 | 0.42 | 0.52 |
Volatile matter (including water) mass fraction % | ≤ | 0.40 | 0.40 | 0.50 | 0.19 |
Sieve residue 250μn, sieve hole % | ≤ | 1.6 | 2.0 | 8.0 | 0.4 |
Sieve residue 63μn, sieve hole % | ≥ | 97 | 90 | 85 | 97 |
Fisheye pc/400cm^2 | ≤ | 20 | 30 | 60 | 10 |
100g resin plasticizer absorption,g | ≥ | 19 | 17 | - | 24 |
Whiteness % | ≥ | 78 | 75 | 70 | 84 |
Impurities,pcs | ≤ | 16 | 30 | 60 | 14 |
Residual Polyethylene Monomer Content,μg/g | ≤ | 5.0 | 5.0 | 10.0 | 5 |
Conductivity of water benzene,μs/(cm*g) | ≤ | - | - |
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Application | tubing |
Test item,unit | Quality Index | Test result | |||
Superior product | First grade | Qualified | |||
Viscosity mL/g | 118-107 | 109 | |||
Apparent density g/mL | ≥ | 0.48 | 0.45 | 0.42 | 0.52 |
Volatile matter (including water) mass fraction % | ≤ | 0.40 | 0.40 | 0.50 | 0.19 |
Sieve residue 250μn, sieve hole % | ≤ | 1.6 | 2.0 | 8.0 | 0.4 |
Sieve residue 63μn, sieve hole % | ≥ | 97 | 90 | 85 | 97 |
Fisheye pc/400cm^2 | ≤ | 20 | 30 | 60 | 10 |
100g resin plasticizer absorption,g | ≥ | 19 | 17 | - | 24 |
Whiteness % | ≥ | 78 | 75 | 70 | 84 |
Impurities,pcs | ≤ | 16 | 30 | 60 | 14 |
Residual Polyethylene Monomer Content,μg/g | ≤ | 5.0 | 5.0 | 10.0 | 5 |
Conductivity of water benzene,μs/(cm*g) | ≤ | - | - |
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