Silica Sand

                                                                      High Purity Quartz Sand     Product Introduction: Quartz sand is a kind of nonmetal mineral subtance,it is one kind of hard,wear-resistant and stable silicate mineral,the main ingredient is SiO2,the color are milk white,or colorless translucent,it is the important industry mineral material,and was widely used in manufacturing glass,creamics,and wear resistant material,construction,chemical industry and so on.   The size of the quartz sand: 4#,6#
4#: the size of each grain is from 4mm to 9.5mm
6#: the size of each grain is from 2.38mm to 4 mm.     Specification  

Item	Unit	Date
Proportion	g/cm3	2.66
Volume Weight	g/cm3	1.75
Breakage Rate	%	0.53
Porosity	%	43-47
Moh's Hardness		7.5
Slit Content	%	≤1
Nonuniform	k80	≤1.8
Sio2	%	≥98
Hydrochloric Soluble Rate	%	≤3.0
Acid Resistance	%	98
Melting Point	℃	1480
Boiling Point	℃	2550
Attrition Rate	%	0.38
Ca	%	0.02
Zn	%	0.005

              Characteristics
1 Low impurity
2 Heat-resistant
3 Higher strength
4 Low heat expansion coefficient
5 Corrosion resisting
6 Insulated property
Main Applications
1 Quartz sand usually be used as refractory material
2 Quartz sand can be used for precision casting
3 Quartz sand usually ba used in glass industry
4 Quartz sand also can be used for sandblasting       Package&Delivery