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About Composites
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Electrical-Insulating Garolite XXX Tubes
- Color: Brown
- Maximum Temperature: 245° F
- Tensile Strength: 8,700 psi (Good)
- Impact Strength: Not Rated
- Hardness: Rockwell M110 (Extra Hard)
- For Use Outdoors: Yes
- Specifications Met: MIL-I-24768/10
More electrically insulating than Garolite XX, these tubes are often machined into insulating washers, bushings, transformer spacers, and parts of terminal boards. Made of phenolic resin with paper reinforcement, they’re lightweight yet strong. While not as strong as Garolite XX, they absorb less water, so they work well in humid environments. These tubes won’t split during machining. They also won’t wear down tooling as fast as phenolic products with glass cloth reinforcement.
For technical drawings and 3-D models, click on a part number.
| OD | OD Tolerance | ID | ID Tolerance | 12" Lg. | 24" Lg. | 65" Lg. | |
1/16" Wall Thickness (-0.016" to 0.016") | |||||||
|---|---|---|---|---|---|---|---|
| 1" | -0.01" to 0.01" | 7/8" | -0.006" to 0.006" | 0000000 | |||
| 1 1/2" | -0.01" to 0.01" | 1 3/8" | -0.008" to 0.008" | 0000000 | |||
1/8" Wall Thickness (-0.02" to 0.02") | |||||||
| 3/4" | -0.008" to 0.008" | 1/2" | -0.006" to 0.006" | 0000000 | |||
| 7/8" | -0.008" to 0.008" | 5/8" | -0.006" to 0.006" | 0000000 | |||
| 1" | -0.01" to 0.01" | 3/4" | -0.006" to 0.006" | 0000000 | |||
| 1 1/4" | -0.01" to 0.01" | 1" | -0.006" to 0.006" | 0000000 | |||
| 1 1/2" | -0.01" to 0.01" | 1 1/4" | -0.008" to 0.008" | 0000000 | |||
| 1 3/4" | -0.01" to 0.01" | 1 1/2" | -0.008" to 0.008" | 0000000 | |||
1/4" Wall Thickness (-0.031" to 0.031") | |||||||
| 1" | -0.01" to 0.01" | 1/2" | -0.006" to 0.006" | 0000000 | |||
| 1 1/2" | -0.01" to 0.01" | 1" | -0.006" to 0.006" | 0000000 | |||
Electrical-Insulating Garolite XXX Rectangular Tubes
- Color: Tan
- Maximum Temperature: 265° F
- Tensile Strength: 12,000-14,000 psi
- Impact Strength: Not Rated
- Hardness: Rockwell M110 (Extra Hard)
- For Use Outdoors: Yes
Commonly used in transformers and switch gear cans on electrical poles, these rectangular tubes are more electrically insulating than Garolite XX. Also known as paper-grade industrial laminate and phenolic, they’re also good for use in insulating washers, bushings, and terminal boards. Made of phenolic resin with paper reinforcement, they’re lightweight yet strong. Though not as strong as Garolite XX, they have better moisture resistance and can hold up in humid environments. These tubes resist splitting during machining. They also won’t wear down tooling as fast as phenolic products with glass cloth reinforcement.
For technical drawings and 3-D models, click on a part number.
Outside | Inside | 36" Lg. | |||||
|---|---|---|---|---|---|---|---|
| Width | Width Tolerance | Height | Height Tolerance | Width | Height | Each | |
1/16" Wall Thickness (-0.03" to 0.03") | |||||||
| 3/8" | -0.015" to 0.015" | 3/8" | -0.015" to 0.015" | 1/4" | 1/4" | 0000000 | 0000000 |
| 1/2" | -0.015" to 0.015" | 1/2" | -0.015" to 0.015" | 3/8" | 3/8" | 0000000 | 000000 |
1/8" Wall Thickness (-0.03" to 0.03") | |||||||
| 3/4" | -0.015" to 0.015" | 3/4" | -0.015" to 0.015" | 1/2" | 1/2" | 0000000 | 000000 |
| 1" | -0.015" to 0.015" | 7/8" | -0.015" to 0.015" | 3/4" | 5/8" | 0000000 | 000000 |
1/4" Wall Thickness (-0.03" to 0.03") | |||||||
| 1 5/8" | -0.015" to 0.015" | 1 1/4" | -0.015" to 0.015" | 1 1/8" | 3/4" | 0000000 | 000000 |
| 1 3/4" | -0.015" to 0.015" | 1 1/2" | -0.015" to 0.015" | 1 1/4" | 1" | 0000000 | 000000 |