Polystyrene Plates | McMaster-Carr

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87 Products

Ultra Electrical 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	Color	Mil. Spec.	Food Industry Std.		Each
1/8" Thick (0" to 0.008" Tolerance)



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


	6"	12"	Cast	-75	212	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T21	000000
	12"	12"	Cast	-75	212	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	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T12	00000


			6"	12"	Cast	-75	212	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T22	000000
			12"	12"	Cast	-75	212	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	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T13	00000


					6"	12"	Cast	-75	212	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T23	000000
					12"	12"	Cast	-75	212	Semi-Clear Off-White	Fed. Spec. L-P-516	FDA Standard	1491T33	000000

Drain Cleanout Hole Covers

Allow easy access to cleanout plugs hidden behind walls and floors. Covers come with the bolts you need to hold them in place.

Covers for Wall Cleanouts

No. of Holes	Dia.	Thk.	Material	Mounting Fasteners Included	Bolt Lg.		Each
1	4"	1 1/4"	Polystyrene	Yes	2"	2043K51	000000
1	5"	1 17/32"	Polystyrene	Yes	2"	2043K52	00000

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

Plastic Legend Plates with Message

With Keyway

Notch

Made of plastic, these plates come engraved with your choice of message. Slip them over control board buttons and panel lights to identify their function and mark system components.

For Panel Cutout Dia.	Keyway Type	Ht.	Wd.	Material	Choose a Message		Each
30 mm/1 3/16"	Notch	1 3/4"	1 3/4"	Polystyrene	Close, Down, Forward, Hand-Off-Auto, Off, Off-On, On, Open, Reset, Reverse, Run, Start, Start-Stop, Stop, Up	9235K857	00000

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	Color	Flammability Rating	Food Industry Std.		Each		Each
1/8" Thick (-0.013" to 0.013" Tolerance)



		2"	Extruded	0 to 185	White	UL 94 HB	FDA Standard	1195N22	00000	1195N21	00000


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


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



				2"	Extruded	0 to 185	White	UL 94 HB	FDA Standard	1195N24	0000	1195N23	0000


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


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



						2"	Extruded	0 to 185	White	UL 94 HB	FDA Standard	1195N26	0000	1195N25	0000


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

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	Color	Flammability Rating	Food Industry Std.		Each
1/32" Thick (-0.003" to 0.003" Tolerance)



	12"	24"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K31	00000


	36"	36"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K38	00000
	40"	72"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K29	00000


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



			12"	24"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K32	0000


			36"	36"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K39	00000
			40"	72"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K22	00000


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



					12"	24"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K33	0000


					36"	36"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K41	00000
					40"	72"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K24	00000


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



							12"	24"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K34	0000


							36"	36"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K42	00000
							40"	72"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K25	00000


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



									12"	24"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K35	00000


									36"	36"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K43	00000
									40"	72"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K26	00000


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



											12"	24"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K36	00000


											36"	36"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K44	00000
											40"	72"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K27	000000


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



											12"	24"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K37	00000


											36"	36"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K45	00000
											40"	72"	Extruded	0	185	White	UL 94 HB	FDA Standard	8734K28	000000

Rectangular Shims

Image of Product. Front orientation. Shims. Rectangle, Sold Individually.

Sized to fill wide gaps, use these shims straight out of the box or cut to your exact needs with a utility knife to align cabinets, doors, and windows. Each shim is color coded by thickness to quickly spot and grab the right size, saving time and reducing sizing errors. All are made of plastic to resist moisture and prevent rot. Their textured surface keeps them from sliding apart when stacked.

	Thk. Tolerance	Color	Material	Specs. Met	Pkg. Qty.		Pkg.
6" Lg. × 4" Wd.



	0.0625"	-0.03" to 0.03"	Yellow	Polystyrene	ASTM D785	10	95015K41	000000

Key Tags

Write on these tags with a permanent marker to identify and organize keys.

Oval

Oval, shamrock, and square tags have a spring snap that holds up to three standard-sized keys. They are often used with key-control cabinets.

Ht.	Wd.	Thk.	Material	Hole Dia.	Spring Snap Material	Choose a Color	Pkg. Qty.		Pkg.
1 3/8"	1 1/8"	1/16"	Polystyrene	1/4"	Steel	White, Blue, Brown, Green, Red, Yellow	20	8458N23	00000

Shamrock

Oval, shamrock, and square tags have a spring snap that holds up to three standard-sized keys. They are often used with key-control cabinets.

Ht.	Wd.	Thk.	Material	Color	Hole Dia.	Spring Snap Material	Pkg. Qty.		Pkg.
1 1/4"	1 1/4"	1/16"	Polystyrene	White	1/4"	Steel	20	1333A1	00000

Square

Oval, shamrock, and square tags have a spring snap that holds up to three standard-sized keys. They are often used with key-control cabinets.

				Slot
Ht.	Wd.	Thk.	Material	Lg.	Wd.	Spring Snap Material	Choose a Color	Pkg. Qty.		Pkg.
1 1/2"	1 1/2"	1/16"	Polystyrene	3/4"	3/16"	Steel	White	20	1333A31	00000
1 1/2"	1 1/2"	1/16"	Polystyrene	3/4"	3/16"	Steel	Blue, Green	20	8458N24	0000

Round

Round tags have a ring that holds up to five standard-sized keys. They come with labels to write on using pen, pencil, or permanent marker.

				Ring
Dia.	Thk.	Material	Color	ID	Material	Includes	Pkg. Qty.		Pkg.
1 1/4"	1/16"	Polystyrene	White	3/4"	Steel	54 Labels	25	8458N18	00000

Breakaway Rectangular Shims

Make size adjustments easy with these scored shims—just break off pieces for a custom fit around fasteners or corners. Designed to fill wide gaps, they’re best for aligning cabinets, doors, and windows. All are made of plastic to resist moisture and prevent rot.

									Pkg.
	Thk.	Thk. Tolerance	Score Interval	Color	Material	Specs. Met	Pkg. Qty.		1-4	5-Up
6" Lg. × 6" Wd.



		0.0625"	-0.032" to 0.032"	2" × 6"	Black	Polystyrene	ASTM D638	8	95015K5	00000	00000

Identically Numbered Key Tags

Choose only the numbers you need to identify and organize keys. These tags have a spring snap that holds up to three standard-sized keys. Numbers are printed on one side.

Oval

Image of Product. Front orientation. Tags. Identically Numbered Key Tags.

									Pkg. of 2		Pkg. of 10
Ht.	Wd.	Thk.	Material	Color	Message Color	Hole Dia.	Spring Snap Material	Choose a Character		Pkg.		Pkg.
1 3/8"	1 1/8"	1/16"	Polystyrene	Brown	White	1/4"	Steel	001, 002, 003, 004, 005, 006, 007, 008, 009, 010, 011, 012, 013, 014, 015, 016, 017, 018, 019, 020	1333A101	00000	1333A8	00000

Key Tag Assortments

Identify and organize your keys with the tags in these assortments.

Round

Write on round tags with a permanent marker or use the included labels to write with a pen or pencil. These assortments come with a random selection of the colors listed.

							Hole
Dia.	Ht.	Thk.	Material	Color	Key Cap.	Ring Material	Wd.	Ht.	Includes	Pkg. Qty.		Pkg.
1 1/4"	2"	1/16"	Polystyrene	White, Blue, Green, Magenta, Orange, Purple, Yellow	4	Nickel-Plated Zinc Alloy	3/8"	3/16"	54 Labels	25	8347N11	00000

Plastic Legend Plates for Emergency Stop Switches

Style G

Indicate the location of stop switches so they’re easy to find in an emergency.

BACO Controls—Plates made by BACO Controls are only compatible with BACO switches.

Style	For Panel Cutout Dia.	Keyway Type	Ht.	Wd.	Material	Mfr.	Message	Mount Type	Color (Message Color)		Each
G	30 mm/1 3/16"	Notch	1 3/4"	1 3/4"	Polystyrene	BACO Controls	Emergency Stop	Panel	Red (White)	9235K577	00000

Sequentially Numbered Key Tags

Number keys in sequence. These tags are often used with key-control cabinets.

Oval

Oval, shamrock, and square tags have a spring snap that holds up to three standard-sized keys. Numbers are printed on one side.

Character	Ht.	Wd.	Thk.	Material	Color (Message Color)	Hole Dia.	Pkg. Qty.		Pkg.
001-040	1 3/8"	1 1/8"	1/16"	Polystyrene	Brown (White)	1/4"	40	1333A15	000000
001-100	1 3/8"	1 1/8"	1/16"	Polystyrene	Brown (White)	1/4"	100	1333A22	00000
101-200	1 3/8"	1 1/8"	1/16"	Polystyrene	Brown (White)	1/4"	100	1333A23	00000
201-300	1 3/8"	1 1/8"	1/16"	Polystyrene	Brown (White)	1/4"	100	1333A225	00000

Shamrock

Oval, shamrock, and square tags have a spring snap that holds up to three standard-sized keys. Numbers are printed on one side.

Character	Ht.	Wd.	Thk.	Material	Color (Message Color)	Hole Dia.	Pkg. Qty.		Pkg.
001-040	1 1/4"	1 1/4"	1/16"	Polystyrene	White (Black)	1/4"	40	1333A17	000000
001-100	1 1/4"	1 1/4"	1/16"	Polystyrene	White (Black)	1/4"	100	1333A5	00000
101-200	1 1/4"	1 1/4"	1/16"	Polystyrene	White (Black)	1/4"	100	1333A61	00000
201-300	1 1/4"	1 1/4"	1/16"	Polystyrene	White (Black)	1/4"	100	1333A733	00000
301-400	1 1/4"	1 1/4"	1/16"	Polystyrene	White (Black)	1/4"	100	1333A19	00000

Square

Oval, shamrock, and square tags have a spring snap that holds up to three standard-sized keys. Numbers are printed on one side.

						Slot
Character	Ht.	Wd.	Thk.	Material	Color (Message Color)	Lg.	Wd.	Pkg. Qty.		Pkg.
001-020	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	20	1333A351	00000
001-040	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	40	1333A361	00000
001-060	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	60	1333A362	00000
001-100	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	100	1333A32	00000
001-120	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	120	1333A369	00000
101-200	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	100	1333A34	00000
201-300	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	100	1333A365	00000
301-400	1 1/2"	1 1/2"	1/16"	Polystyrene	White (Black)	3/4"	0.188"	100	1333A366	00000

Plastic Engraving Legend Plates

Style E

Engrave your message into these plates by removing the surface layer, revealing a contrasting color underneath. Slip them over control-board buttons and panel lights to clearly identify their functions.

Use a rotary engraver to inscribe any of these plates.

Polystyrene—ABS and Polystyrene can’t be laser-engraved because they will burn.

Style	For Panel Cutout Dia.	Keyway Type	Ht.	Wd.	Thk.	Material	Mount Type	Choose a Color (Message Color)		Each
E	30 mm/1 3/16"	Notch	1 3/4"	1 3/4"	1/16"	Polystyrene	Panel	Black (White), Red (Black)	9235K59	00000