Ultem Square Stock | McMaster-Carr

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Electrically Insulating

Clarity

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Comparable To

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Electrical Insulation Rating

Flammability Rating

REACH

Tensile Strength

17,000 psi to 17,500 psi

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Compliant

Texture

Smooth

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Dielectric Strength

For Use With

Methanol (Methyl Alcohol)

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Water Absorption Rating

Poor

DFARS Specialty Metals

For Use Outdoors

37 Products

About Plastic

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"		12" × 12"
Thick.	Thick. Tolerance	Surface Resistivity		Each		Each
0.04"	-0.004" to 0.004"	10¹³ ohms/sq.	000000	00	0000000	000000
1/16"	-0.00625" to 0.00625"	10¹³ ohms/sq.	000000	00	0000000	00000
3/32"	-0.00938" to 0.00938"	10¹³ ohms/sq.	000000	00	0000000	00000
1/8"	-0.0125" to 0.0125"	10¹³ ohms/sq.	000000	00	0000000	00000
1/4"	0" to 0.025"	10¹³ ohms/sq.	0000000	000000	00000000	000000
3/8"	0" to 0.025"	10¹³ ohms/sq.	0000000	00000	00000000	000000
1/2"	0" to 0.025"	10¹³ ohms/sq.	0000000	00000	00000000	000000
3/4"	0" to 0.025"	10¹³ ohms/sq.	0000000	000000	0000000	000000
1"	0" to 0.025"	10¹³ ohms/sq.	0000000	000000	00000000	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.

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	000000	00
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	000000	00
0.03"	-0.003" to 0.003"	3,050 V/mil	0000000	00000	000000	00

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

High-Temperature Plastic Selector Packs

Includes one piece of each material listed.

Material	Wd.	Lg.	Pkg. Qty.		Pkg.
PEEK Plastic, PFA Plastic, Polyimide Plastic, Torlon PAI Plastic, Ultem PEI Plastic	2"	2"	5	0000000	0000000

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About Plastic

Electrical-Insulating Ultem PEI Sheets and Bars

Electrical-Insulating Ultem PEI Film

High-Temperature Plastic Selector Packs