Filter by
System of Measurement
Color
Material
Performance
Clarity
Maximum Temperature
Hardness Rating
Flexibility
Comparable To
Electrical Insulation Rating
Texture
Water Absorption Rating
For Use With
Flammability Rating
Tensile Strength
DFARS Specialty Metals
Export Control Classification Number (ECCN)
RoHS
About Plastic
More
Electrical-Insulating Ultem PEI Sheets and Bars

Often used for circuit-breaker housings, manifolds, and semiconductor components, these sheets and bars offer excellent electrical-insulating properties.
For technical drawings and 3-D models, click on a part number.
Sheets
- Color: Semi-Clear Amber
- Temperature Range: -20° to 335° F
- Tensile Strength: 17,000-17,500 psi (Excellent)
- Impact Strength: 0.5-0.6 ft.-lbs./in. (Poor)
- Hardness: Rockwell R111-R125 (Extra Hard)
- For Use Outdoors: No
- Specifications Met:
0.04": ASTM D5205, ASTM D7293, FDA Compliant 21 CFR 177.1595, NSF/ANSI 51, UL 94 VTM-0
1/16" to 1/8": ASTM D5205, FDA Compliant 21 CFR 177.1595, NSF/ANSI 51, UL 94 V-0
1/4" to 1": ASTM D5205, ASTM D7293, FDA Compliant 21 CFR 177.1595, UL 94 V-0, USP Class VI
Thick. | Thick. Tolerance | Surface Resistivity | Each | |
6" × 6" | ||||
---|---|---|---|---|
1/4" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 |
3/8" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 00000 |
1/2" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 00000 |
3/4" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 |
1" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 |
12" × 12" | ||||
0.04" | -0.004" to 0.004" | 1013 ohms/sq. | 0000000 | 00000 |
1/16" | -0.00625" to 0.00625" | 1013 ohms/sq. | 0000000 | 00000 |
3/32" | -0.00938" to 0.00938" | 1013 ohms/sq. | 0000000 | 00000 |
1/8" | -0.0125" to 0.0125" | 1013 ohms/sq. | 0000000 | 00000 |
1/4" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
3/8" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
1/2" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
3/4" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 |
1" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
12" × 24" | ||||
0.04" | -0.004" to 0.004" | 1013 ohms/sq. | 0000000 | 00000 |
1/16" | -0.00625" to 0.00625" | 1013 ohms/sq. | 0000000 | 00000 |
3/32" | -0.00938" to 0.00938" | 1013 ohms/sq. | 0000000 | 000000 |
1/8" | -0.0125" to 0.0125" | 1013 ohms/sq. | 0000000 | 000000 |
1/4" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
3/8" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
1/2" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
3/4" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 |
1" | 0" to 0.025" | 1013 ohms/sq. | 00000000 | 000000 |
Bars
- Color: Semi-Clear Amber
- Temperature Range: -20° F to 335° F
- Tensile Strength: 17,000-17,500 psi (Excellent)
- Impact Strength: 0.5-0.6 ft.-lbs./in. (Poor)
- Hardness: Rockwell R111-R125 (Extra Hard)
- For Use Outdoors: No
- Specifications Met: ASTM D5205, ASTM D7293, FDA Compliant 21 CFR 177.1595, UL 94 V-0, USP Class VI
Wd. | Lg. | Surface Resistivity | Each | |
1/4" Thick. (0" to 0.03") | ||||
---|---|---|---|---|
2" | 12" | 1013 ohms/sq. | 0000000 | 000000 |
2" | 24" | 1013 ohms/sq. | 0000000 | 00000 |
4" | 12" | 1013 ohms/sq. | 0000000 | 00000 |
3/8" Thick. (0" to 0.03") | ||||
2" | 12" | 1013 ohms/sq. | 0000000 | 00000 |
2" | 24" | 1013 ohms/sq. | 0000000 | 00000 |
4" | 12" | 1013 ohms/sq. | 0000000 | 00000 |
1/2" Thick. (0" to 0.03") | ||||
2" | 12" | 1013 ohms/sq. | 0000000 | 00000 |
2" | 24" | 1013 ohms/sq. | 0000000 | 000000 |
4" | 12" | 1013 ohms/sq. | 0000000 | 000000 |
3/4" Thick. (0" to 0.03") | ||||
2" | 12" | 1013 ohms/sq. | 0000000 | 00000 |
2" | 24" | 1013 ohms/sq. | 0000000 | 000000 |
4" | 12" | 1013 ohms/sq. | 0000000 | 000000 |
1" Thick. (0" to 0.03") | ||||
2" | 12" | 1013 ohms/sq. | 0000000 | 000000 |
2" | 24" | 1013 ohms/sq. | 0000000 | 000000 |
4" | 12" | 1013 ohms/sq. | 0000000 | 000000 |
Electrical-Insulating Ultem PEI Film

Use this film in 3D printing operations as a build surface. It’s also widely used in semiconductor applications because it has excellent electrical-insulating properties.
For technical drawings and 3-D models, click on a part number.
Film
- Color: Semi-Clear Amber
- Temperature Range: -20° to 335° F
- Tensile Strength: 14,200 psi (Excellent)
- Impact Strength: Not Rated
- Hardness: Rockwell M109 (Extra Hard)
- For Use Outdoors: Yes
- Specifications Met: UL 94 VTM-0
12" × 12" | 12" × 24" | |||||
---|---|---|---|---|---|---|
Thick. | Thick. Tolerance | Dielectric Strength | Each | Each | ||
0.001" | -0.0001" to 0.0001" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 000000 |
0.002" | -0.0002" to 0.0002" | 3,050 V/mil | 0000000 | 0000 | 0000000 | 00000 |
0.003" | -0.0003" to 0.0003" | 3,050 V/mil | 0000000 | 0000 | 0000000 | 00000 |
0.005" | -0.0005" to 0.0005" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 00000 |
0.01" | -0.001" to 0.001" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 00000 |
0.02" | -0.002" to 0.002" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 00000 |
0.03" | -0.003" to 0.003" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 00000 |
Adhesive-Back Film
- Color: Semi-Clear Amber
- Temperature Range: -20° to 335° F
- Tensile Strength: 14,200 psi (Excellent)
- Impact Strength: Not Rated
- Hardness: Rockwell M109 (Extra Hard)
- For Use Outdoors: Yes
12" × 12" | 12" × 24" | |||||
---|---|---|---|---|---|---|
Thick. | Thick. Tolerance | Dielectric Strength | Each | Each | ||
0.001" | -0.0001" to 0.0001" | 3,050 V/mil | 0000000 | 000000 | 0000000 | 000000 |
0.002" | -0.0002" to 0.0002" | 3,050 V/mil | 0000000 | 00000 | 000000 | 00 |
0.003" | -0.0003" to 0.0003" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 00000 |
0.005" | -0.0005" to 0.0005" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 00000 |
0.01" | -0.001" to 0.001" | 3,050 V/mil | 0000000 | 00000 | 0000000 | 00000 |
0.02" | -0.002" to 0.002" | 3,050 V/mil | 0000000 | 00000 | 000000 | 00 |
0.03" | -0.003" to 0.003" | 3,050 V/mil | 0000000 | 00000 | 000000 | 00 |