纤维用聚乙烯醇(高模用)优级品醇解度指标()
A: ≥99.82%
B: ≥99.80%
C: ≥99.78%
D: ≥99.76%
A: ≥99.82%
B: ≥99.80%
C: ≥99.78%
D: ≥99.76%
举一反三
- 电除尘器5个电场,40只灰斗,设计除尘效率() A: 99.74%-99.82% B: 99.66%-99.80% C: 99.76%-99.80% D: 99.76%-99.85%
- 纤维用聚乙烯醇(高模用)纯度指标() A: ≥92% B: ≥93% C: ≥94% D: ≥95%
- 纤维用聚乙烯醇(高模用)氢氧化钠指标() A: ≤0.5% B: ≤0.3% C: ≤0.2% D: ≤0.1%
- 纤维用聚乙烯醇(高模用)挥发分指标() A: ≤3.5% B: ≤4.0% C: ≤5.0% D: ≤6.0%
- 纤维用聚乙烯醇(高模用)粘度指标() A: 25-28mpa·s B: 28-30mpa·s C: 30-32.5mpa·s D: 32-34.5mpa·s