Acid Resistant Powder for Pipes
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.
Acid Resistant Enamel RTU Powder for Pipes
1. Material Ratio:
RTU Powder: 100
Water: 40
2. Approval Standard:
a. Appearance: Light blue powder. After firing, the coating is in conformity with standard template which is smooth, glossy and with no flaw on surface.
b. Firing temperature: 860-870℃.
c. Adherence: net appearance after impulse test
d. Acid assistance: ≧AA level
e. Fineness: 140 mesh. Pass 100g such powder through a 150-mesh sieve, there will be only 1-3g residue.
3. Test Method:
a. Soak the pre-grinding powder and water in proportion of 100/ 40 for 1~2 hours.
b. Pass them through 80-mesh sieve and keep the consistency at 165~170g/100ml, (1.65~1.70g/cm3).
c. Cover 150-200 micron such enamel out of a pipe which is 2mm in thickness and 25mm in diameter, fire them at 850-860℃ for 6~8 minutes.(This process could be repeated once more. )
d. Compare them with samples made from normal powder.
4. Introduction:
140~150 mesh light blue powder. Pass 100g such powder through a 150-mesh sieve, there will be only 1-3 g residue. This product is used for enameling on corrosion-resistant pipes, which is delicate in quality and has a strong resistance against acid/ alkali. The temperature should be very well controlled when firing in order to accomplish the ideal effect.
5. Production Requirements:
All the qualified enamels should be grinded to 140-150 mesh first and mixed with eligible additives. Then make screening and packing after fineness meets the requirements.
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