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Temperatures to Fuse Glass KILN-FORMING PROCESSES AND TEMPERATURES
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Process
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Definition
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Fahrenheit
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Celsius
|
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Full fusing |
Joining two or more pieces of glass by heating until they flow together |
1450 to 1550 |
788 to 843 |
|
Tack fusing |
Fusing until the glass just sticks together, with each piece retaining its individual character. |
1350 to 1450
|
732 to 788 |
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Slumping |
Shaping glass by bending it over or into a mold |
1200 to 1300 |
649 to 704 |
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Combing |
Manipulating glass by raking a tool across the surface of molten glass |
1650 to 1750 |
899 to 954 |
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Fire polishing |
Heating glass just enough to round the edges and give it a shiny appearance |
1300 to 1400 |
704 to 760 |
| Kiln casting |
Fusing small pieces of glass (called "frit") inside a mold |
1500 to 1600 |
816 to 871 |
| Pate de verre |
Fusing a paste made with small pieces of glass inside a mold |
1300 to 1500 |
704 to 816 |
| Glass casting |
Melting liquid glass into a mold |
1500 to 1700 |
816 to 926 |
Note that the temperatures given are for typical fusible art glasses.
Other kinds of glass may require different temperatures. Back to Articles |