Catalogue
Ready to use enamel powder(wet process)
Key words:
Enamel porcelain glaze, inorganic pigment
Classification:
Product Description
Ready-to-use enamel (RTU) is a kind of enamel powder mixed and milled with other additives according to the requirement of customers. It can be used directly after mixed with some water.
One-coat Black Enamel RTU Powder for Steel
1. Material Ratio:
RTU Powder: 100
Clay: 7
Calcined Quartz: 5
Borax: 0.4
Sodium Nitrite: 0.2
Heavy Magnesia: 3.0
Nickel Protoxide: 1.0
Antimony Oxides: 0.5
Barium Molybdate: 0.5
Black PigmentT5-11: 3.0
Water: 60-75
2. Approval Standard:
a. Appearance: gray powder, the surface is smooth and with no bubble structure after firing.
b. Firing temperature: 830-850℃.
c. Adherence: net appearance after impulse test
d. Fineness: 30-40 mesh, pass 100g such powder through a 100-mesh sieve, there will be 10-20g residue left.
3. Test Method:
a. Soak the pre-grinding powder and water in proportion of 100/ 60 for several minutes.
b. Pass them through 80-mesh sieve and keep the consistency at 165~170g/100ml, (1.65~1.70g/cm3).
c. Cover 100-180 micron such enamel slip on steel, fire them at 830-850℃ for 6~8 minutes.(This process could be repeated once more. )
d. Compare them with samples made from normal powder.
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