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Surface Resistivity Surface Resistivity |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Conductive Graphite Sheets and Bars
- Color: Black
- Max. Temperature: 800° F
- Tensile Strength: 5,500 psi
- Electrical Properties: Conductive
- Surface Resistivity: See table
A low surface resistivity makes this graphite a good electrical conductor. Since this graphite won't adhere to metal, it can be used to fabricate furnace parts, crucibles, and ingot molds.
For technical drawings and 3-D models, click on a part number.
| Thick. | Thick. Tolerance | Max. Temperature in a Vacuum, ° F | Surface Resistivity | Grain Size | Each | |
4" × 6" | ||||||
|---|---|---|---|---|---|---|
| 1/4" | -0.005" to 0.005" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 000000 |
| 1/2" | -0.005" to 0.005" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1" | -0.005" to 0.005" | 5000° | 5.5 × 10-4 ohms/sq. | 0.0004" | 0000000 | 00000 |
6" × 6" | ||||||
| 1/4" | -0.005" to 0.005" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/2" | -0.005" to 0.005" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1" | -0.005" to 0.005" | 5000° | 5.5 × 10-4 ohms/sq. | 0.0004" | 0000000 | 00000 |
12" × 12" | ||||||
| 1/4" | -0.005" to 0.005" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 000000 |
| 1/2" | -0.005" to 0.005" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 000000 |
| 1" | -0.005" to 0.005" | 5000° | 5.5 × 10-4 ohms/sq. | 0.0004" | 0000000 | 000000 |
| Thick. | Thick. Tolerance | Wd. | Max. Temperature in a Vacuum, ° F | Surface Resistivity | Grain Size | Each | |
3" Lg. | |||||||
|---|---|---|---|---|---|---|---|
| 1/4" | -0.005" to 0.005" | 1/4" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/4" | -0.005" to 0.005" | 1/2" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/4" | -0.005" to 0.005" | 1" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/2" | -0.005" to 0.005" | 1/2" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/2" | -0.005" to 0.005" | 1" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1" | -0.005" to 0.005" | 1" | 5000° | 5.5 × 10-4 ohms/sq. | 0.0004" | 0000000 | 00000 |
6" Lg. | |||||||
| 1/4" | -0.005" to 0.005" | 1/4" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/4" | -0.005" to 0.005" | 1/2" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/4" | -0.005" to 0.005" | 1" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/2" | -0.005" to 0.005" | 1/2" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/2" | -0.005" to 0.005" | 1" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1" | -0.005" to 0.005" | 1" | 5000° | 5.5 × 10-4 ohms/sq. | 0.0004" | 0000000 | 00000 |
12" Lg. | |||||||
| 1/4" | -0.005" to 0.005" | 1/4" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/4" | -0.005" to 0.005" | 1/2" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/4" | -0.005" to 0.005" | 1" | 5000° | 2.2 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/2" | -0.005" to 0.005" | 1/2" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1/2" | -0.005" to 0.005" | 1" | 5000° | 1.1 × 10-3 ohms/sq. | 0.0004" | 0000000 | 00000 |
| 1" | -0.005" to 0.005" | 1" | 5000° | 5.5 × 10-4 ohms/sq. | 0.0004" | 0000000 | 00000 |
Ultra-Fine-Grain Conductive Graphite Sheets
- Color: Black
- Max. Temperature: 800° F
- Tensile Strength: 6,670 psi
- Electrical Properties: Conductive
- Surface Resistivity: See table
This graphite is denser and slightly stronger than standard conductive graphite because it has a smaller grain. A low surface resistivity makes this graphite a good electrical conductor. Since this graphite won't adhere to metal, it can be used to fabricate furnace parts, crucibles, and ingot molds.
For technical drawings and 3-D models, click on a part number.
Reinforced Compressible Graphite Sheets
- Color: Gray
- Temperature Range: -400° to 950° F
- Tensile Strength: 5,000psi
- Electrical Properties: Conductive
- Surface Resistivity: 102 ohms/sq.
A stainless steel insert makes this material stronger than standard compressible graphite. For use as seals and gaskets in high-temperature environments, this graphite can compress up to 35% of its thickness for a tight seal.
For technical drawings and 3-D models, click on a part number.
12" × 12" | 24" × 12" | 36" × 36" | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Max. Temperature in a Vacuum, °F | Insert Thickness | Each | Each | Each | |||
| 1/32" | -0.031" to 0.031" | 4500° | 0.002" | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 0000000 |
| 1/16" | -0.031" to 0.031" | 4500° | 0.002" | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
| 1/8" | -0.047" to 0.047" | 4500° | 0.002" | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
Compressible Graphite Sheets
- Color: Gray
- Temperature Range: -400° to 950° F
- Tensile Strength: 700 psi
- Electrical Properties: Conductive
- Surface Resistivity: 102 ohms/sq.
For use as seals and gaskets in high-temperature environments, this graphite can compress up to 35% of its thickness for a tight seal.
For technical drawings and 3-D models, click on a part number.