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Description:

Glass microspheres with the quality of clean, transparent, nobubbles and impurity.It widely used in blasting, polishing,grinding

Glass microspheres

 

 

ChemicalAnalysis		PhysicalProperties
SiO2	≥72.0%	BulkDensity	1.5g/cm3
Na2O	≤14.0%	RealDensity	2.5g/cm3
CaO	≤8.0%	MohsHardness	6-7
MgO	≥2.5%	HRCHardness	46
Al2O3	0.5-2.0%	Roundness	≥92.5%
Fe2O3	≥0.15%	Magnetic	≤0.1%
Other	2.0%	Bubble	≤0.1%

 

 

 

Model	Mesh	Sizeμm
30#	20-40	850-425
40#	30-40	600-425
60#	40-60	425-300
80#	60-100	300-150
100#	70-140	212-106
120#	100-140	150-106
150#	100-200	150-75
180#	140-200	106-75
220#	140-270	106-53
280#	200-325	75-45

 

 

 

 

Application:

 

1.Polish aviation parts, relieve stress to improve anti-fatigue strength and reduce friction and wear; 

 

2.Surfacetreatment of stainless steel products. Cleaning of mould such asforging dies, rubber, plastic, metal casting, extrusion &stamping dies etc.

 

3.Cleaning and removing the flash, burr of integrate circuit,semiconductor device, metal tube and non-ferrous alloy precisioncasting etc.

 

4.Used in painting, and ink industries, magnetic, pharmaceutical,papermaking, china-clay and rubber industries.

 

5.Used in reflective material for road marking lines.