Inorganic coating for high temperature steel member label
An inorganic coating and high-temperature technology, which is applied in the field of coatings for marking high-temperature steel parts, can solve problems such as increased coating costs, difficult market acceptance, and high corrosion resistance requirements, and achieves the effects of simple requirements, cost reduction, and foreign exchange savings
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Embodiment 1
[0013] Press P first 2 o 5 60%, B 2 o 5 5%, ZnO 30%, Na 2 The ratio of 05% is prepared as lead-free glass raw material powder, which is sintered in a heating furnace at 600° C. for 1 hour and then cooled and ground to a fineness of 320 mesh glass powder as a binder for subsequent use. Then select titanium dioxide as pigment, select sodium carboxymethyl cellulose as dispersant, press binder: pigment: dispersant weight ratio is 100: 25: 2, water is adjusted to the mixture that coating solid content is 30wt%, by The white slurry with an average particle size of 6 μm is obtained by ball mill grinding, which is the inorganic marking coating for high-temperature steel parts.
Embodiment 2
[0015] Press P first 2 o 5 70%, B 2 o 5 8%, ZnO 20%, Na 2 O 2% ratio to prepare lead-free glass raw material powder, sintered in a heating furnace at 600°C for 2 hours, cooled and ground to a fineness of 300 mesh glass powder, mixed with water glass in a weight ratio of 1:1 as a binder for later use . Then select zinc sulfide as pigment, select sodium carboxymethyl cellulose as dispersant, press binder: pigment: dispersant weight ratio is 100: 20: 1, water is transferred to the mixture that coating solid content is 25wt%, by The white slurry with an average particle size of 5 μm is obtained by ball mill grinding, which is the inorganic marking coating for high-temperature steel parts.
Embodiment 3
[0017] Press P first 2 o 5 75%, B 2 o 5 2%, ZnO 22%, Na 2 O 1% ratio to prepare lead-free glass raw material powder, sintered through a heating furnace at 600°C for 2 hours, cooled and ground to a fineness of 400 mesh glass powder as a binder for later use. Then select talcum powder as pigment, select sodium alginate as dispersant, press binder: pigment: dispersant weight ratio is 100: 30: 0.6, adjust to the mixture that coating solid content is 45wt% with water, grind by ball mill The white slurry with an average particle size of 4 μm is obtained, which is the inorganic marking paint for high-temperature steel parts.
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