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Company Name: Shanghai Jun Yu Trade Co., Ltd.
Telephone: +86-21-50683119
Fax: +86-21-50779076
PTI Dust Business Unit: pti@jun-yu.com
DMT Dust Business Unit: dmt@jun-yu.com
JIS Dust Business Unit: jis@jun-yu.com
Other Business Unit: sales@jun-yu.com
Website: http://www.jun-yu.com/
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Product lists

JIS Test Powders is the test contaminant manufactured according to JIS (Japanese Industrial Standard), usually used for the products according Japanese standard or supply to Japanese customers.

Our company could help customer to purchase below test contaminants from Janpan, include JIS Z 8901 test contaminants and different kinds of glass beads; Please tell us which kind of product list below you want us to provide when you contact us, our email for JIS test contaminant is jis@jun-yu.com

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
s 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 800C, 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.


*Particle size distribution of Test Powders 1
Particle size distribution of
Class 1, Class 2 and Class 3
( Quartz sand )
Particle
size µm
Oversize(on mass basis)%
Class 1 Class 2 Class 3
5 - 885 613
10 - 763 433
20 - 623 273
30 - 503 153
40 - 393 93
45 99 min. - -
75 903
20max. 3max.
106 803 - -
150 653 - -
212 453 - -
300 1max. - -
s
Particle size distribution of
Class 4 and Class 9
( Talc )
Particle
size µm
Oversize(on mass basis)%
Class 4 Class 9
2 - 795
4 - 555
5 695 -
8 - 235
10 405 -
16 - 63
20 125 -
30 - -
40 33 -
75 1max -
s
Particle size distribution of
Class 5 and Class 10
( Fly ash )
Particle
size µm
Oversize(on mass basis)%
Class 5 Class 10
2 - 825
4 - 603
5 845 -
8 - 225
10 605 -
16 - 33
20 325 -
30 153 -
40 83 -
106 1max. -
s
Particle size distribution of
Class 7, Class 8 and Class 11
( KNATO(Japanese) loam )
Particle
size µm
Oversize(on mass basis)%
Class 7 Class 8 Class 11
1 - - 653
2 - - 505
4 - - 223
5 885 615 -
6 - - 83
5 - - 33
10 763 433 -
20 623 273 -
30 503 153 -
40 393 93 -
75 20max. 3max. -
s
Class 12 Particle size range
( Carbon black )
0.03~0.20µm
s
Particle size distribution of
Class 16 and Class 17
( Calcium carbonate( heavy ))
Particle
size µm
Oversize(on mass basis)%
Class 16 Class 17
1 - 805
2 765 545
4 - 185
5 405 -
8 - 43
10 105 -
16 - 1max.
20 1max. -
s

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Glass beads GBL type
Material used : Soda lime-silicate glass
Particle density : 2.1 to 2.5 g/cm3
Refractive index : 1.51 to 1.53
Particle size distribution ( Unit :µm ) ( % mass basis )
Class Particle size in
case of 90% oversize
Particle size in
case of 50% oversize
Particle size in
case of 10% oversize
GBL-30 26 min. 30 1.0 34 max.
GBL-40 37 min. 40 1.0 45 max.
GBL-60 55 min. 59 1.0 63 max.
GBL-100 95 min. 100 1.0 105 max.
s
Glass beads GBM type
Material used : Barium-titanate glass
Particle density : 4.0 to 4.2 g/cm3
Refractive index : 1.92 to 1.94
Particle size distribution ( Unit :µm ) ( % mass basis )
Class Particle size in
case of 90% oversize
Particle size in
case of 50% oversize
Particle size in
case of 10% oversize
GBM-20 18 min. 22 1.0 26 max.
GBM-30 26 min. 30 1.0 34 max.
GBM-40 37 min. 40 1.0 45 max.
s
White fused alu mina
Material used : Al2O3 99% min.
Particle density : 3.9 to 4.0 g/cm3
Particle size distribution ( Unit :µm ) ( % mass basis )
Class Particle size in
case of 94% oversize
Particle size in
case of 50% oversize
Particle size in
case of 3% oversize
No.1 0.8 min. 2 0.5 5 max.
No.2 2.0 min. 4 0.5 11 max.
No.3 4.5 min. 8 0.6 20 max.
No.4 9.0 min. 14 1 31 max.
No.5 20 min. 30 2 58 max.
No.6 40 min. 57 3 103 max.
 
 
 
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