Used to hold uncured rubber and model when vulcanizing.
Made of aluminum alloy for best heat conduction.
SKU No. |
Thickness |
Opening |
Style |
50.30.31 |
3/4" |
1-7/8" x 2-7/8" |
Single |
50.30.32 |
1" |
1-7/8" x 2-7/8" |
Single |
50.30.33 |
1" |
2-1/2" x 3-3/4" |
Single |
50.30.34 |
1-1/4" |
3-1/2" x 4-3/4" |
Single |
50.30.35 |
3/4" |
1-7/8" x 2-7/8" |
Double |
50.30.36 |
1" |
1-7/8" x 2-7/8" |
Double |
These heat resistant crucibles, often called black lead, withstand temperatures up to 3000°F (1649°C)
and will tolerate thermal shock.
SKU No. |
Size |
Height |
Top O.D. |
Bottom O.D. |
50.30.017 |
4/0 |
3 1/8" |
2 3/8" |
1 3/4" |
50.30.018 |
1 |
3 5/8" |
3 1/2" |
2 1/4" |
50.30.019 |
2 |
4 9/16" |
3 7/8" |
2 3/4" |
50.30.020 |
6 |
6 5/8" |
5 3/8" |
4" |
Made of clay bonded fused silica for melting temperatures up to 2800°F (1538°C). Excellent for melting gold and silver.
SKU No. |
Diameter |
Depth |
(dwt) Capacity |
(g) Capacity |
50.30.021 |
4" | 1 3/8" |
175 |
420 |
50.30.022 |
3" | 1" |
100 |
155 |
50.30.023 |
2 1/4" | 3/4" |
40 |
96 |
50.30.024 |
1 3/4" | 5/8" |
20 |
48 |
| 220 West Drachman, Tucson, AZ 85705 Phone: 520.882.8750 ©2000-2010 Reproduction of all content strictly prohibited without written authorization from Starr Gems Inc. |
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