304 stainless steel surface often appear black oxide skin, which is the two main EO4 components of NiCr2O4 and NiF. In the past, generally use strong corrosive hydrofluoric acid and nitric acid removal method. But this method cost is big, pollute environment, is harmful to human body, is high corrosive, is gradually eliminated. Now mainly adopts 304 stainless steel blasting, which need spray micro glass bead to remove the black oxide skin on the surface of 304 stainless steel.
304 stainless steel blasting has dry sand blasting, wet sand blasting, dust-free sand blasting and high-pressure water blasting.
304 stainless steel blasting dry sand blasting impedes environmental protection and is harmful to health.
304 stainless steel stock blasting wet sand blasting is without dust, but water will make 304 stainless steel rust again.
304 stainless steel blasting dust-free sand blasting is collecting clean sand, blasting sand, and the collecting sand in a closed system, in order to avoid flying dust.
304 stainless steel blasting high-pressure water blasting is mainly used for the large area rust removal, such as ship, oil tank, oil tank, boiler, often adding passivator and soapy water in the water.
Bebon has the most comprehensive service, including cutting,welding, drilling, shot blast cleaning, derusting, painting, galvanized, etc, certainly including 304 stainless steel blasting.
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