Material Material |
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System of Measurement System of Measurement |
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Thickness Thickness |
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Shape Shape |
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![]() | ![]() |
Film | Sheet and Bar |
Color Color |
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![]() | Amber |
Clarity Clarity |
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Performance Properties Performance Properties |
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Maximum Temperature Maximum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Comparable To Comparable To |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Rating Hardness Rating |
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Hardness Hardness |
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Flexibility Flexibility |
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![]() | Flexible |
![]() | Semi-Rigid |
Texture Texture |
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![]() | Smooth |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Electrical Insulation Rating Electrical Insulation Rating |
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Dielectric Strength Dielectric Strength |
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Tensile Strength Tensile Strength |
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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.
- 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
6" × 6" | 12" × 12" | 12" × 24" | ||||||
---|---|---|---|---|---|---|---|---|
Thick. | Thick. Tolerance | Surface Resistivity | Each | Each | Each | |||
0.04" | -0.004" to 0.004" | 1013 ohms/sq. | 000000 | 00 | 0000000 | 000000 | 0000000 | 000000 |
1/16" | -0.00625" to 0.00625" | 1013 ohms/sq. | 000000 | 00 | 0000000 | 00000 | 0000000 | 00000 |
3/32" | -0.00938" to 0.00938" | 1013 ohms/sq. | 000000 | 00 | 0000000 | 00000 | 0000000 | 000000 |
1/8" | -0.0125" to 0.0125" | 1013 ohms/sq. | 000000 | 00 | 0000000 | 00000 | 0000000 | 000000 |
1/4" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 | 00000000 | 000000 | 00000000 | 000000 |
3/8" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 00000 | 00000000 | 000000 | 00000000 | 000000 |
1/2" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 00000 | 00000000 | 000000 | 00000000 | 000000 |
3/4" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 000000 |
1" | 0" to 0.025" | 1013 ohms/sq. | 0000000 | 000000 | 00000000 | 000000 | 00000000 | 000000 |
- 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.
- 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 |
- 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 |
High-Temperature Plastic Selector Packs

Includes one piece of each material listed.
For technical drawings and 3-D models, click on a part number.
Material | Wd. | Lg. | Pkg. Qty. | Pkg. | |
PEEK Plastic, PFA Plastic, Polyimide Plastic, Torlon PAI Plastic, Ultem PEI Plastic | 2" | 2" | 5 | 0000000 | 0000000 |
Print Surfaces for 3D Printers


Also known as build sheets, stick these sheets to your printer bed for more accurate 3D printed parts than those made on bare printer beds, masking tape, and glue. They won’t transfer heat between your part and printer bed, which means they grip your part as it prints to keep it from shifting. Then they easily release the part without damaging it once it’s cooled. Because they’re insulating, they also protect glass printer beds from cracking due to sudden temperature changes, so you won’t need to replace the bed as often. You can reuse these sheets multiple times, since they’re durable and stand up to heat.
Use these sheets with fused filament fabrication (FFF) 3D printers. Cut them to size with scissors before sticking them to your printer bed. For large print surfaces, use primer and smoothing tools (both sold separately) to remove wrinkles and trapped air bubbles.
PEI print surfaces don’t grip as tightly as plastic-blend print surfaces, making them easier for removing sticky filaments, such as PETG. They also last longer. Their smooth exterior leaves a smooth finish on the bottom of your part.
For technical drawings and 3-D models, click on a part number.
Lg. | Wd. | Thick. | For Printer Bed Temp. | Color | Each | |
PEI Plastic—For Heated and Unheated Printer Beds | ||||||
---|---|---|---|---|---|---|
6 5/16" | 5 1/8" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
6 1/2" | 6 1/2" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
8" | 8" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
8 7/8" | 8 7/8" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
9 1/4" | 6 1/4" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
10" | 6 1/2" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 000000 | 00000 |
10" | 8" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
10" | 9" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
10" | 9 1/2" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
10" | 10" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
12" | 12" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
16" | 16" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |
19 7/8" | 19 7/8" | 0.014" | 21° to 150° C 70° to 302° F | Amber | 0000000 | 00000 |