JIS Test Powders1 (JIS Z 8901) (Class 1,2,3 Quartz Sand)

Reference standard:JIS Z 8901

Material used：Quartz sand

Particle density：2.6～2.7g/cm3

Chemical composition

Chemical composition	% ( mass )
SiO2	95 min.
Fe2O3
AI2O3
TiO2
MgO
Ignition Loss	5 max.

＊Particle size distribution

Oversize(mass basis)%

Chemical composition	% ( mass )
Particle size µm	Class 1	Class 2	Class 3
5	-	88±5	61±5
10	-	76±3	43±3
20	-	62±3	27±3
30	-	50±3	15±3
40	-	39±3	9±3
45	99 min.	-	-
75	90±3	20 max.	3 max.
106	80±3
150	65±3
212	45±3
300	1 max.