appearance	Flow freely, no agglomeration, speckles
oder	No peculia smell
color	Blue,green,red,pink,orange, purple,cluster blue etc.
Apparent Gravity,g/l	750-1000
Time of slaking,s	≤ 300s
Paticle diameter≥1400um(12Mesh)，%	≤5.0
Paticle diameter 425-1180um(14-36Mesh), %	≥80
Paticle diameter≤180um(80Mesh)，%	≤5.0
PH value（1% aqueous solution，25℃）	7.0-10.0
Loss on drying，%	10.0-12.0
Soda，%	0-20.0
Additive，%	≤8.0