Polystyrene Rod Stock | McMaster-Carr

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69 Products

About Plastic

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

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

Easy-Thermoform Polystyrene Rods

Easy to thermoform, these rods are often molded into parts for displays and shelves.

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



	1/4"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	8	8720K323	00000


	3/8"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	8	8720K331	0000
	1/2"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	8	8720K341	0000
	5/8"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	1 , 2 , 3 , 4 , 5 , 6 , 7 , 8	8720K35	0000
	3/4"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	1 , 2 , 3 , 4 , 5 , 6 , 7 , 8	8720K36	0000
	1"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	1 , 2 , 3 , 4 , 5 , 6 , 7 , 8	8720K37	00000
	1 1/2"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	1 , 2 , 3 , 4 , 5 , 6 , 7 , 8	8720K38	00000
	2"	0.000" to 0.1"	Extruded	-10	170	2,400 to 4,000	1.5	UL 94 HB	FDA Standard	1 , 2 , 3 , 4 , 5 , 6 , 7 , 8	8720K39	00000

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

Easy-Thermoform Polystyrene Sheets

Often fabricated into signs, packaging, and light duty housings, these sheets are easy to thermoform.

	Lg.	Fabrication	Min. Temp., ° F	Max. Temp., ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Color	Flammability Rating	Food Industry Std.		Each
1/32" Thick (-0.003" to 0.003" Tolerance)



	12"	24"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K31	00000


	36"	36"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K38	00000
	40"	72"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K29	00000


	1/16" Thick (-0.005" to 0.005" Tolerance)



			12"	24"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K32	0000


			36"	36"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K39	00000
			40"	72"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K22	00000


			3/32" Thick (-0.006" to 0.006" Tolerance)



					12"	24"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K33	0000


					36"	36"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K41	00000
					40"	72"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K24	00000


					1/8" Thick (-0.008" to 0.008" Tolerance)



							12"	24"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K34	0000


							36"	36"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K42	00000
							40"	72"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K25	00000


							5/32" Thick (-0.01" to 0.01" Tolerance)



									12"	24"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K35	00000


									36"	36"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K43	00000
									40"	72"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K26	00000


									3/16" Thick (-0.012" to 0.012" Tolerance)



											12"	24"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K36	00000


											36"	36"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K44	00000
											40"	72"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K27	000000


1/4" Thick (-0.03" to 0.03" Tolerance)



											12"	24"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K37	00000


											36"	36"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K45	00000
											40"	72"	Extruded	0	185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	8734K28	000000

Easy-Thermoform Polystyrene Strips

Often fabricated into signs, packaging, and light duty housings, these strips are easy to thermoform.

									2 ft. Long		4 ft. Long
	Wd.	Fabrication	Temp., ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Color	Flammability Rating	Food Industry Std.		Each		Each
1/8" Thick (-0.013" to 0.013" Tolerance)



		2"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N22	00000	1195N21	00000


		4"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N42	0000	1195N41	0000
		6"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N62	0000	1195N61	0000
		8"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N82	0000	1195N81	00000


		3/16" Thick (-0.019" to 0.019" Tolerance)



				2"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N24	0000	1195N23	0000


				4"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N44	0000	1195N43	0000
				6"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N64	0000	1195N63	00000
				8"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N84	0000	1195N83	00000


				1/4" Thick (-0.025" to 0.025" Tolerance)



						2"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N26	0000	1195N25	0000


						4"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N46	0000	1195N45	00000
						6"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N66	0000	1195N65	00000
						8"	Extruded	0 to 185	2,400 to 4,000	1.5	White	UL 94 HB	FDA Standard	1195N86	00000	1195N85	00000