| post date: | dec 02,2021 |
| expiry date: | dec 02,2022 |
| detailed description: |
ground coat and one-coat enamel frits reference no. description expansion firing coefficient (10-7) temperature (° c) ung-102 high temp.nickel ground coat 301.8 840-880 ung-103 high temp.nickel ground coat 286.5 860-890 ung-104 high temp.nickel ground coat 290.1 840-880 ung-105 high temp. antimony molybdenum white ground coat 297.1 840-870 ung-111 medium temp.co-ni ground coat 313.7 800-840 ung-112 medium temp.co-ni ground coat 292.1 820-860 ung-118 medium temp.nickel ground coat 309.1 800-840 ung-124 low temp. antimony molybdenum white ground coat 290.1 780-820 ung-1102 high temp.co-ni ground coat 300.5 840-880 ung-1112 medium temp.co-ni ground coat 283.6 830-860 ung-1122 low temp.co-ni ground coat 300.5 780-820 ung-2400 low temp.co-ni ground coat 322.1 760-800 ung-2401 medium temp.co-ni ground coat 292.1 800-840 ung-2404 high temp.co-ni ground coat 290.1 840-870 ung-2405 high yemp.co-ni ground coat 288.1 860-880 ung-2406 temp. resistant co-ni ground coat 278.2 860-900 ung-2414 low temp. co-ni ground coat 311.1 760-800 ung-2115 one-coat black enamel 296.1 830-850 remarks: directly coated on base metal.with strong adherence. wide range of firing temperature. 1. mill addition ratio for nickel and co-ni ground coat: frit 100 clay 5-7 quartz porwder 0-8 borax 0.3- 0.5 sodium nitrite 0.2-0.3 water 50- 55ml 2. mill addition ratio of sb-mo ground coat: frit 100 antimony oxide 1.0 clay 5-7 barium molybdate 1.0 quartz powder 0-8 water 50-55 ml frit slurry fineness 1- 2g/150mesh.100ml specific gravity 160-170g/100 ml |
