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Free dust sand for glass sandblasting

Free-dust sand is a kind newly environmental protection material ,with raw material of bauxite,coal and so on,It is used in the fields of Glass sandblasting and Abrasive tools.Free-dust sand is the substitute for Middle and low intensity emery sand such as Quartz sand, glass balls and metallic balls.
Chemical Composition	Al₂O₃	鈮?/span>80%
	SiO₂	3-5%
	Fe₂O₃	2-5%
Physical Properties	Shape	Round
	Color	Yellow,Black,-Black-Brown
	Mohs hardness	6-7
	Roundness	90%
	Broke Rate	6%
Advantages	1	high hardness
	2	Good liquidity
	3	No dust
	4	Wear resistance
	5	minimal mutual friction force
	6	Well-distributed size
Application	1	used in sandblasting equipment
	2	Glass sandblasting
	3	Ceramic and ceramic tile sandblasting
	4	Abrasive tools sandblasting,dust removal
	5	Steel Tube sandblasting
	6	Steel Plate sandblasting
	7	Tank body sandblasting
	8	Radiators sandblasting
	9	Aluminum and magnesium die-casting and Zinc Aluminum Die-casting parts sandblasting