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By certification 
High purity silica sand is processed from the quality silica stone, for its high content of SiO2 and low impurity and used for optical glass.
Silica Sand for optical glass , for its high content of SiO2, and low impurity.
Refined Silica Sand is processed from natural silica stone, for its high content of SiO2 and low impurity.
Application:
1. Silica sand is the main raw material of plate glass, float glass, optical glass.
1 widely used for producing optical glass.
2 refractory material
3 metallurgy, ceramic, foundry and abrasives etc.
Package:
1. 1000kgs packed in a big bag
2. 25kgs/bag with 40 bags in a big bag
3. 25kgs/bag with 40 bags on a pallet
Other package could be supplied as request.
Silica Sand for optical glass , for its high content of SiO2, and low impurity.
Refined Silica Sand is processed from natural silica stone, for its high content of SiO2 and low impurity.
Application:
1. Silica sand is the main raw material of plate glass, float glass, optical glass.
1 widely used for producing optical glass.
2 refractory material
3 metallurgy, ceramic, foundry and abrasives etc.
Package:
1. 1000kgs packed in a big bag
2. 25kgs/bag with 40 bags in a big bag
3. 25kgs/bag with 40 bags on a pallet
Other package could be supplied as request.
