Ultem Square Stock | McMaster-Carr

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Performance

Ultra Electrical Insulating

Flexibility

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Comparable To

Tensile Strength

17,000 psi to 17,500 psi

Environment

For Use Outdoors

Hardness

Rockwell R111 to Rockwell R125

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Export Control Classification Number (ECCN)

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

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48 Products

About Plastic

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

Performance

High Strength

Our strongest plastic, with a tensile strength of 5,000 psi or higher

47 products

Low Friction

Prevent parts from scraping, slowing down, or overheating due to friction

25 products

Performance

Easy Thermoform

Soften over a broad temperature range to shape into precise parts

47 products

Thermally Stable

Won't expand as temperatures rise

47 products

Ultra-Electrical-Insulating Ultem PEI Sheets

With excellent electrical-insulating properties, high strength, and wear resistance, these sheets are often used to make electrical components. Use them for circuit-breaker housings, insulators, and semiconductor components.

	Wd.	Lg.	Fabrication	Min. Temp., ° F	Max. Temp., ° F	Color	Flammability Rating	Food Industry Std.		Each
0.04" Thick



		12"	12"	Extruded	-20	335	Semi-Clear Amber	UL 94 VTM-0	FDA Standard, NSF Standard	8685K41	000000


		12"	24"	Extruded	-20	335	Semi-Clear Amber	UL 94 VTM-0	FDA Standard, NSF Standard	8685K42	00000


		1/16" Thick



				12"	12"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard, NSF Standard	8685K43	00000


				12"	24"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard, NSF Standard	8685K44	00000


				3/32" Thick



						12"	12"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard, NSF Standard	8685K45	00000


						12"	24"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard, NSF Standard	8685K46	000000


						1/8" Thick



								12"	12"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard, NSF Standard	8685K47	00000


								12"	24"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard, NSF Standard	8685K48	000000


								1/4" Thick



										6"	6"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	7612K51	00000


										12"	12"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K511	000000
										12"	24"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K512	000000


										3/8" Thick



												6"	6"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	7612K52	00000


												12"	12"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K491	000000
												12"	24"	Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K492	000000


												1/2" Thick



6"	6"													Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	7612K53	000000


12"	12"													Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K521	000000
12"	24"													Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K522	000000


3/4" Thick



		6"	6"											Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	7612K54	000000


		12"	12"											Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K61	000000
		12"	24"											Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K62	000000


		1" Thick



				6"	6"									Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	7612K55	000000


				12"	12"									Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K531	000000
				12"	24"									Extruded	-20	335	Semi-Clear Amber	UL 94 V-0	FDA Standard	8685K532	000000

Plastic Selector Packs

You'll get one piece of each material listed, except the Multipurpose pack, where you'll get two pieces (one piece of nylon 6/6 and one piece of cast nylon).

Performance	Material	Wd.	Lg.	No. of Pieces		Each
High Temperature	PEEK, PFA, Polyimide, Torlon PAI, Ultem PEI	2"	2"	5	5331K91	0000000

Ultra-Electrical-Insulating Ultem PEI Bars

With excellent electrical-insulating properties, high strength, and wear resistance, these bars are often used to make electrical components. Use them for insulators, machined bushings, plates, and semiconductor components.

								1 ft. Long
	Wd.	Fabrication	Min. Temp., ° F	Max. Temp., ° F	Color	Flammability Rating	Food Industry Std.		Each
1/4" Thick



		4"	Extruded	-20	335	Amber	UL 94 V-0	FDA Standard	7612K31	000000


		3/8" Thick



				4"	Extruded	-20	335	Amber	UL 94 V-0	FDA Standard	7612K32	00000

Ultra-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.

								1 ft. Long		2 ft. Long
	Thk.	Thk. Tolerance	Wd.	Fabrication	Temp., ° F	Color	Flammability Rating		Each		Each
Plain Backing



		0.001"	-0.0001" to 0.0001"	12"	Extruded	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K18	00000	7576K15	000000


		0.002"	-0.0002" to 0.0002"	12"	Extruded	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K19	0000	———	0
		0.003"	-0.0003" to 0.0003"	12"	Extruded	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K21	0000	7576K11	00000
		0.005"	-0.0005" to 0.0005"	12"	Extruded	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K22	00000	7576K12	00000
		0.01"	-0.001" to 0.001"	12"	Extruded	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K23	00000	7576K13	00000
		0.02"	-0.002" to 0.002"	12"	Extruded	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K24	00000	———	0
		0.03"	-0.003" to 0.003"	12"	Extruded	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K25	00000	———	0


		Adhesive Backing



				0.001"	-0.0001" to 0.0001"	12"	Cast	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K31	00000	7576K41	00000


				0.002"	-0.0002" to 0.0002"	12"	Cast	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K32	00000	———	0
				0.003"	-0.0003" to 0.0003"	12"	Cast	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K33	00000	7576K42	00000
				0.005"	-0.0005" to 0.0005"	12"	Cast	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K34	00000	7576K43	00000
				0.01"	-0.001" to 0.001"	12"	Cast	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K35	00000	7576K44	00000
				0.02"	-0.002" to 0.002"	12"	Cast	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K36	00000	———	0
				0.03"	-0.003" to 0.003"	12"	Cast	-20 to 335	Semi-Clear Amber	UL 94 VTM-0	7576K37	00000	———	0