| post date: | dec 02,2021 |
| expiry date: | dec 02,2022 |
| detailed description: |
cast-iron enamel frits reference no. description expansion firing application coefficient (107) temperature (° c) uni-125 cast iron black enamel 334.2 760-780 uni-126 cast iron black enamel 332.4 760-780 uni-622 thick cast iron black enamel 314.4 750-780 uni-623 thick cast-iron black enamel 271.4 780-800 uni-625 cast-iron black enamel 244 760-780 uni-308 cast-iron transparent enamel 332.1 760-780 uni-1271 thick cast iron black enamel 274 750-780 uni-1308 cast-iron transparent enamel 283.1 760-780 uni-1309 cast-iron transparent enamel 335.5 740-760 uni-2700 cast-iron opaque enamel 289 780-800 uni-2707 acid resistant cast iron black enamel 305.6 780-800 uni-2708 cast-iron white cover coat 302.4 800-820 uni-2709 acid resistant cast-iron white cover coat 310.2 820-850 note: enameling on surface of cast iron, as called wet-way coating enamel first, cleaning the surface of earthen bowl after anneal . 1 milling additon ratio for cast- iron black enamel: frit 100 clay 5-7 quartz powder 0-5 borax 0.5-0.8 sodium nitrite 0.2 black pigment 2-5 water 50-55 ml note: adding 10-20% quartz powder in acid resistant black enamel frit slurry fineness 0.5- 1.0g/150mesh.100 ml specific gravity 160-170g/100ml 2 cast iron opaque enamel(sub- opaque enamel ) frit 100 clay 5-6 borax 0.5-0.8 aluminium oxide 2 water 45-50ml note: sub-opaque enamel consist of cast iron opaque enamel,with same milling addition ratio. frit slurry fineness 1- 1.5g/150¡¤100ml specific gravity 160-165g/100ml |
