FIELD: chemistry.
SUBSTANCE: invention relates to enamel coating compositions for application on jewellery made from silver-based alloys. The enamel coating contains, wt %: PbO 43.0-47.0; K2O 10.0-14.0; B2O3 14.0-18.0; Sb2O3 0.2-0.3; Ag 1.4-2.0; SiO2 22.8-27.3. The enamel frit is pulped at temperature of 1300-1350°C and the enamel is fired at temperature of 720-750°C.
EFFECT: low firing temperature of enamel.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| ENAMEL COATING | 2006 |
|
RU2325355C1 |
| ENAMEL COATING | 2007 |
|
RU2347760C2 |
| ENAMEL COATING | 2008 |
|
RU2377197C1 |
| ENAMEL | 2006 |
|
RU2318757C1 |
| ENAMEL COATING | 2008 |
|
RU2378206C1 |
| WHITE ENAMEL | 2006 |
|
RU2318759C1 |
| ENAMEL | 2006 |
|
RU2325358C1 |
| ENAMEL | 2006 |
|
RU2326081C1 |
| ENAMEL COVER | 2006 |
|
RU2311367C1 |
| ENAMEL COATING | 2010 |
|
RU2448060C1 |
