Ultem Sheet Stock | McMaster-Carr

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Electrically Insulating

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Methanol (Methyl Alcohol)

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17,000 psi to 17,500 psi

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Rockwell R111 to Rockwell R125

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38 Products

About Plastic

Compare over 25 types of plastic to find the right material for you.

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.

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

6" × 6"
Thick.	Thick. Tolerance	Surface Resistivity		Each
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

1/4" Thick. (0" to 0.03")
Wd.	Lg.	Surface Resistivity		Each
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