SAN Processing AIDS are copolymerized with styrene and acrylonitrile. It is a kind of white powder, which can be widely used in various PVC hard products.
| Property | ECO-801 | ECO-601 | ECO -401 |
| Appearance | White powder | White powder | White powder |
| Intrinsic viscosity η | 6.50-8.50 | 8.50-10.5 | 12.5-14.5 |
| Bulk density g/cm³ | 0.45±0.05 | 0.45±0.05 | 0.45±0.05 |
| Volatile content % | ≤1.20 | ≤1.20 | ≤1.20 |
| Granularity (40 mesh passing pct) % | ≥98% | ≥98% | ≥98% |






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