cast-iron enamel|ENAMEL FRITS|PIGMENTS|OXIDES|INORGANIC SALTS|CADMIUM COLORANTS--Hunan lifa Chemicals Co.,Ltd.

Hunan Lifa Chemicals Co.,Ltd.

Hunan Lifa Chemicals Co.,Ltd.

Hunan Lifa Chemicals Co.,Ltd.

cast-iron enamel

Reference No.	Description	Expansion Coefficient (*10^-7)	Firing Temperature (°C)
EGC-125	cast iron black enamel	334.2	760-780
EGC-126	cast iron black enamel	332.4	760-780
EGC-622	thick cast iron black enamel	314.4	750-780
EGC-623	thick cast-iron black enamel	271.4	780-800
EGC-625	cast-iron black enamel	244.0	760-780
ECF-308	cast-iron transparent enamel	332.1	760-780
1271	thick cast iron black enamel	274.0	750-780
1308	cast-iron transparent enamel	-	760-780
1309	cast-iron transparent enamel	335.5	740-760
2700	cast-iron opaque enamel	289.0	780-800
2707	acid resistant cast iron black enamel	-	780-800
2708	cast-iron white cover coat	-	-
2709	acid resistant cast-iron white cover coat	-	-

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	5-6
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

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