Standard: | sg3 | sg5 | sg8 | |
k - value | 72 - 71 | 66 - 68 | 59 - 55 | |
polymerizing index | 1300 +/-50 | 1000 +/-50 | 700 +/-50 | |
number of impurity particles ≤ | 16 | 16 | 20 | |
volatile content (incl. water) % ≤ | 0.30 | 0.40 | 0.40 | |
apparent density ≥ | 0.42 | 0.48 | 0.50 | |
particle size | ≥ 0.25mm ≤ | 2.0 | 2.0 | 0.4 |
≥ 0.063mm ≥ | 95 | 95 | 95 | |
number of fish eye (/400 cm2) ≤ | 20 | 20 | 30 | |
plasticizer absorption of 100g resin ≥ | 26 | 19 | 22 | |
whiteness (160°c, after 10 min.) % ≥ | 78 | 78 | 75 | |
vcm residue ppm ≤ | 5 | 5 | 5 |