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羟丙甲纤维素点击次数:2587
发布时间:2018-11-09 10:57:05 |
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型号 | ME | MF | MK |
甲氧基(%) | 28.0-30.0 | 27.0-30.0 | 19.0-24.0 |
羟丙基(%) | 7.0-12.0 | 4.0-7.5 | 4.0-12.0 |
凝胶温度(℃) | 58-64 | 62-68 | 70-90 |
水中不溶物(%) | ≤0.5 | ≤0.5 | ≤0.5 |
干燥失重(%) | ≤5 | ≤5 | ≤5 |
PH值 | 4.0-8.0(1%溶液,25℃) | 4.0-8.0(1%溶液,25℃) | 4.0-8.0(1%溶液,25℃) |
灰份(%) | ≤1.0 | ≤1.0 | ≤1.0 |
细度(目) | 80 | 100 | 120 |
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