Rexolite Polystyrene | McMaster-Carr

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Ultra Electrically Insulating

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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

15 products

Thermally Stable

Won't expand as temperatures rise

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Performance

Moisture Resistant

Resist swelling in wet environments

15 products

Chemical Resistant

Stay strong when exposed to harsh chemicals, such as hydrochloric acid

15 products

Ultra-Electrically-Insulating Rexolite Polystyrene Sheets

Known for its electrical insulating properties, these sheets are often used for cable connectors, electrical housings, and in microwave applications. This material is also called Rexolite.

	Lg.	Fabrication	Min. Temp., ° F	Max. Temp., ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Color	Specs. Met	Food Industry Std.		Each
1/8" Thick (0" to 0.008" Tolerance)



	6"	6"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T11	000000


	6"	12"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T21	000000
	12"	12"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T31	000000


	1/4" Thick (0" to 0.008" Tolerance)



			6"	6"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T12	00000


			6"	12"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T22	000000
			12"	12"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T32	000000


			1/2" Thick (0" to 0.012" Tolerance)



					6"	6"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T13	00000


					6"	12"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T23	000000
					12"	12"	Cast	-75	212	9,000	0.3	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T33	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
Multipurpose	Delrin® Acetal, HDPE, ABS, Nylon, LDPE, Noryl PPO, Polyester Plastic, Polystyrene, Rexolite Polystyrene, UHMW Polyethylene	2"	2"	11	5331K93	000000

Ultra-Electrically-Insulating Rexolite Polystyrene Rods

These rods are made of a material known as Rexolite. They are electrically insulating and often used for cable connectors, electrical housings, and in microwave applications.

	Dia. Tolerance	Fabrication	Min. Temp., ° F	Max. Temp., ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Food Industry Std.	Choose a Length, ft.		Per Ft.
Off-White



	1/8"	-0.002" to 0.002"	Cast	-75	212	9,000	0.3	FDA Standard	1 , 2 , 4	1491T61	00000


	1/4"	-0.002" to 0.002"	Cast	-75	212	9,000	0.3	FDA Standard	1 , 2 , 4	1491T62	0000
	3/8"	-0.002" to 0.002"	Cast	-75	212	9,000	0.3	FDA Standard	1 , 2 , 4	1491T63	0000
	1/2"	-0.002" to 0.002"	Cast	-75	212	9,000	0.3	FDA Standard	1 , 2 , 4	1491T64	0000
	3/4"	-0.002" to 0.002"	Cast	-75	212	9,000	0.3	FDA Standard	1 , 2 , 4	1491T65	00000
	1"	-0.002" to 0.002"	Cast	-75	212	9,000	0.3	FDA Standard	1 , 2 , 4	1491T66	00000