Poly(1-hydroxyethylene) Poly(Vinyl Alcohol) PVA1788/2488
Apprance | white and yellowish solid | white and yellowish solid | white and yellowish solid |
HD%MOL | 86.5~88.5 | 86.5~88.5 | 86.5~88.5 |
Viscosity(mPa.s) | 3.0~4.0 | 4.5~5.5 | 21.0~24.5 |
Volatile %≤ | 5.0 | 5.0 | 5.0 |
Ash%≤ | 0.7 | 0.4 | |
pH | 5.0~7.0 | 5.0~7.0 | 5.0~7.0 |
Purity%≥ | 94.0 | 93.0 | / |
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