normal align=center>温石棉各级纤维质量指标表

normal align=center>等级或

normal align=center>级别

normal align=center>比表面积dm/g

normal align=center>湿式分级%

normal align=center>快速湿式分级%

normal align=center>含砂量不大于%

normal align=center>+1.18mm累

normal align=center>计含量不小于

normal align=center>-0.075mm粉尘含量不大于

normal align=center>+1.18mm累

normal align=center>计含量不小于

normal align=center>-0.075mm粉尘含量不大于

normal align=center>纤维系数

normal align=center>手选1级

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center>5.0

normal align=center>手选2级

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center>10.0

normal align=center>机选3级

normal align=center>80～120

normal align=center>35～55

normal align=center>32～40

normal align=center> 

normal align=center> 

normal align=center> 

normal align=center>0

normal align=center>机选4级

normal align=center>70～120

normal align=center>10～30

normal align=center>45～55

normal align=center>10～30

normal align=center>42～52

normal align=center>0.7～1.10

normal align=center>0.3

normal align=center>机选5级

normal align=center>80～120

normal align=center>5～8

normal align=center>57～60

normal align=center>5～8

normal align=center>54～57

normal align=center>0.5～0.6

normal align=center>0.5

normal align=center>机选6级

normal align=center>90～100

normal align=center>2～4

normal align=center>65～67

normal align=center>2～4

normal align=center>62～64

normal align=center>0.25～0.3

normal align=center>1.0