Range 751 Tempered Glass Enamels (650-720C) Description Range 751 Tempered Glass Enamels are mainly used for the decoration of flat glass, due to their excellent chemical resistance and opacity. Products Product No. | Shade | Product No. | Shade | 147511 (650-720C) | Black | 147512 (720-740C) | Black | 147513 (680-720C) | Black | 147514 (580-620C) | Black (for decals) | 147515 (650-720C) | Black | 197511 | White | 157521 | Metallic grey | 197510 | Etch | 197513 | Satin matt | | |
Properties Substrate: Flat glass Thermal expansion: 75-95x10-7/C (50-300C) Firing Temperature: 650-720C, depending on firing speed and soaking time Chemical Resistance: Excellent resistance against acid and alkaline Firing Atmosphere: Medium or low oxidative atmosphere Average Opacity: Up to complete hiding, depending upon weight of application. Application The colours have been developed and tested for the following application process -indirect screen printing (decals) -direct screen printing -spraying -machine banding -brush banding For screen printing, the following media, covercoat and mesh-sizes are recommended (except 157521) Decoration | Medium | Ration of powder to medium | Mesh-sizes (mesh/inch) | Direct printing | 80392 oil based | 10 : 2-4 | Steel: 180-270 Polyester: 110-180 | 1562 oil based | 10 : 2-3 | 80840 water based | 10 :2-3 | 1597 water based | 10 : 2-3 | Indirect printing | 80820 oil based | 10 : 4-7 | Polyester: 155-230 | 803920 oil based | 10 : 4-7 | 803901 oil based | 10 : 4-7 | Covercoat | 83450, 83454 83451, 832900 | | Polyester: 60-80 |
Note: When applying to float glass, the Sn-side causes a different colour shade than the air side of the glass Storage and shelf life The colour powder must be stored in dry conditions. Partly used tins must be tightly sealed after use. It is recommended that colour powders are dried at 130C before pasting into oil based media. Media should not be stored below 5C or above 35C. The ideal storage temperature is between 8C and 15C. Partly used tins must be tightly sealed after use. If stored as recommended, a minimum shelf life of 6 moths after production date is guaranteed. Colour pastes must be stored in dry and cool conditions. The storage temperatures should not be below 5C and not exceed 35C. Before printing, pastes must be stirred thoroughly. Partly used tins must be tightly sealed after use. If stored as recommended, a minimum shelf life of 6 months after the production date is guaranteed.
|
