Instruction:Enamel cover coat frits have good opacity and gloss with clean and fine surface,but they can't be directly coated on the based metal,they require the matched ground coat frits.The firing temperature of cover coat frit is lower than that of ground coat frit.
2、鈦釉磨加配比及工藝要求：
Mill addition ratio and requirements of Titanium frits:
3、銻釉磨加配比及工藝要求：
Mill addition ratio and requirements of Antimony frits:
