jis粉尘是依据 jis（japanese industrial standard，即日本工业标准）生产的试验粉尘，常被用于一些日系产品的检测。 　　本公司可为广大国内用户提供日本进口的下述检测杂质，包括jis z 8901的试验粉尘和玻璃珠产品；请在与我们联系的时候描述清楚您需要的是下面哪种产品： jis z 8901
*classification
class material used median *
diameter
( µm ) particle
density
( g/cm3 ) chemical composition
% ( mass )
class 1
class 2
class 3
quartz sand 185 to 200
27 to 31
6.6 to 8.6 2.6 to 2.7 sio2   95min
fe2o3, al2o3,tio2
mgo,ign.loss 5max
class 4
class 9 talc 7.2 to 9.2
4.0 to 5.0 2.7 to 2.9 sio2 ••• 60 to 63, al2o3 ••• 0 to 3, mgo ••• 30 to 34
fe2o3 ••• 0 to 3, cao ••• 0 to 2, ign.loss ••• 3 to 7
class 5
class 10 fly ash 13 to 17
4.8 to 5.7 1.95 min sio2åc45min
ign.lossåc5max
class 7
class 8
class 11 **
kanto 
(japanese) loam 27 to 31
6.6 to 8.6
1.6 to 2.3 2.9 to 3.1 sio2 ••• 34 to 40, al2o3 ••• 26 to 32, mgo ••• 0 to 7
fe2o3 ••• 17 to 23, cao ••• 0 to 3, ign.loss ••• 0 to 4
class 12 carbon black particle size range ••• 0.03 to 0.20 µm
absorbed amount of dbp ••• 25 to 34 ml/100g
adsorbed amount of iodine ••• 22 to 30 mg/g
class 16
class 17 calcium- 
carbonate (heavy) 3.6 to 4.6
1.9 to 2.4 2.7 to 2.8 cao ••• 54 to 56, sio2 ••• 0 to 3, ign.loss ••• 42 to 45
mgo ••• 0 to 3, fe2o3 ••• 0 to 1  
* particle size distributions are defined by jis z 8901.
** sintered at 800°c, 2hours.
note :1) class15 mixed powder is distributed by japan air cleaning association and contains 72% of class8, 23% of class12 and 5% of cotton linter.
2) class13 and class 14 are now absent ones.
 

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