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Standard: GB5761-1993 | SG3 | SG5 | SG7 | SG8 |
K - Value | 72 - 71 | 66 - 68 | 62 - 60 | 59 - 55 |
Polymerizing Index | 1300 +/-50 | 1000 +/-50 | 800 +/-50 | 700 +/-50 |
Number of impurity particles ≤ | 16 | 16 | 20 | 20 |
Volatile content (incl. water) % ≤ | 0.3 | 0.4 | 0.4 | 0.4 |
Apparent density ≥ | 0.42 | 0.48 | 0.48 | 0.5 |
Particle size (≥ 0.25mm) ≤ | 2 | 2 | 2 | 0.4 |
Particle size (≥ 0.063mm ) ≥ | 95 | 95 | 95 | 95 |
Number of Fish Eye (/400 cm2) ≤ | 20 | 20 | 30 | 30 |
Plasticizer absorption of 100g resin ≥ | 26 | 19 | 12 | 22 |
Whiteness (160°C, after 10 min.) % ≥ | 78 | 78 | 75 | 75 |
VCM Residue PPM ≤ | 5 | 5 | 5 | 5 |


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