ASTM D6778 Acetal | McMaster-Carr

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System of Measurement

Length

Diameter

Color

Material

Thickness

Width

Performance

Highly Electrical Insulating

Comparable To

Flexibility

Filler Material

Wall Thickness

Tolerance Rating

For Use With

Methyl Ethyl Ketone (MEK)

Maximum Temperature

REACH

DFARS Specialty Metals

Exempt

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

Yes

RoHS

Compliant

Export Control Classification Number (ECCN)

EAR99

Clarity

Opaque

Tensile Strength

7,690 psi

7,690 psi to 8,100 psi

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121 Products

About Plastic

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

Performance

Chemical Resistant

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

73 products

Flame Retardant

Meet UL flame-retardance standards

73 products

Environment

Food and Beverage

Meet 3-A, FDA, or NSF standards

Ultra-Low-Friction Delrin® Acetal Rods

The addition of PTFE provides a more slippery, wear-resistant surface than standard Delrin® acetal resin. These rods machine cleanly to tight tolerances for precise, accurate parts. They’re stronger and stiffer than acetal copolymer, making them the better choice for higher loads or physical stress. Use them for gears, bushings, bearings, or shafts. Delrin® acetal resin is also known as acetal homopolymer and POM-H.

Long Rods

Image of Product. Front orientation. Plastic. Ultra-Low-Friction Delrin® Acetal Rods.

	Fabrication	Min. Temp., ° F	Max. Temp., ° F	Flammability Rating	Choose a Length, ft.		Per Ft.
Brown



	1/4"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K12	00000


	3/8"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K14	0000
	1/2"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K16	00000
	5/8"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K24	00000
	3/4"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K26	00000
	1"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K28	00000
	1 1/8"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K32	00000
	1 1/4"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K34	00000
	1 1/2"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K36	00000
	1 3/4"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K38	000000
	2"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4, 5	8579K42	000000


	2 1/4"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K46	000000
	2 1/2"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K48	000000
	3"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K52	000000
	3 1/2"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K54	000000
	4"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K56	000000
	5"	Extruded	-40	185	UL 94 HB	1, 2, 3, 4	8579K58	00000000

Short Rods and Discs

					1/2" Long		1" Long		3" Long		6" Long
	Dia.	Fabrication	Temp., ° F	Flammability Rating		Each		Each		Each		Each
Brown



		3"	Extruded	-40 to 185	UL 94 HB	9969K11	000000	9969K12	000000	9969K14	000000	9969K16	0000000


		4"	Extruded	-40 to 185	UL 94 HB	9969K21	00000	9969K22	000000	9969K24	000000	9969K26	000000
		6"	Extruded	-40 to 185	UL 94 HB	———	0	———	0	9969K34	000000	9969K36	000000

Ultra-Machinable Delrin® Acetal Round Tubes

Easy to machine to close tolerances, these dimensionally stable tubes resist expanding when exposed to heat and moisture. They have a naturally slippery surface along with excellent wear resistance. Use them to make precision gears, bushings, and bearings. Delrin® acetal resin, also known as acetal homopolymer, is stronger and stiffer than acetal copolymer.

Oversized Tolerance—Oversized tubes have an oversized OD and an undersized ID for finishing to the sizes listed.

							Black		White
	OD	ID	Fabrication	Temp., ° F	Food Industry Std.	Choose a Length, ft.		Per Ft.		Per Ft.
Oversized Tolerance







				1/16" Thick Wall

				1/4"	1/8"	Extruded	-20 to 180	FDA Standard, NSF Standard	3, 5	1830T119	00000	8627K519	00000


				5/8"	1/2"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T149	0000	8627K579	0000




						1/8" Thick Wall

						1/2"	1/4"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T129	0000	8627K539	0000


						3/4"	1/2"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T159	0000	8627K599	0000
						7/8"	5/8"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T179	0000	8627K639	0000
						1 1/4"	1"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T219	0000	8627K699	0000
						1 1/2"	1 1/4"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T239	00000	8627K759	00000
						1 3/4"	1 1/2"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T259	00000	8627K829	00000
						2"	1 3/4"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T279	00000	8627K899	00000
						2 1/4"	2"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T289	00000	8627K919	00000




								3/16" Thick Wall

								5/8"	1/4"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T139	0000	8627K559	0000




										1/4" Thick Wall

										3/4"	1/4"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T169	0000	8627K619	0000


										1"	1/2"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T189	0000	8627K629	0000
										1 1/4"	3/4"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T199	00000	8627K659	00000
										1 1/2"	1"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T229	00000	8627K739	00000
										1 3/4"	1 1/4"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T249	00000	8627K789	00000
										2"	1 1/2"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T269	00000	8627K889	00000
										2 1/2"	2"	Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	1830T299	00000	8627K929	00000


										Tight Tolerance (-0.01" to 0.01")







														1/32" Thick Wall

														1/8"	1/16"	Extruded	-20 to 180	FDA Standard, NSF Standard	3, 5	———	0	8627K119	0000


3/16"	1/8"													Extruded	-20 to 180	FDA Standard, NSF Standard	3, 5	———	0	8627K129	0000




		1/16" Thick Wall

		1/4"	1/8"											Extruded	-20 to 180	FDA Standard, NSF Standard	3, 5	———	0	8627K139	0000


		3/8"	1/4"											Extruded	-20 to 180	FDA Standard, NSF Standard	3, 5	———	0	8627K149	0000
		1/2"	3/8"											Extruded	-20 to 180	FDA Standard, NSF Standard	3, 5	———	0	8627K159	0000
		5/8"	1/2"											Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	———	0	8627K169	0000
		3/4"	5/8"											Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	———	0	8627K189	0000
		7/8"	3/4"	Extruded										-20 to 180	FDA Standard, NSF Standard	1, 3, 5	———	0	8627K219	0000




				1/8" Thick Wall

				5/8"	3/8"									Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	———	0	8627K179	0000


				3/4"	1/2"									Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	———	0	8627K199	0000
				7/8"	5/8"									Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	———	0	8627K229	0000
				1"	3/4"									Extruded	-20 to 180	FDA Standard, NSF Standard	1, 3, 5	———	0	8627K239	0000

Ultra-Low-Friction Delrin® Acetal Sheets

The addition of PTFE provides a more slippery, wear-resistant surface than standard Delrin® acetal resin. These sheets resist expanding when exposed to heat and moisture, so they can be machined to tight tolerances. Fabricate them into pump components, guides, and wear plates. Delrin® acetal resin is also known as acetal homopolymer and POM-H.

					Brown
	Wd.	Lg.	Fabrication	Temp., ° F	Flammability Rating		Each
1/8" Thick



		6"	6"	Extruded	-40 to 185	UL 94 HB	8578K411	000000


		12"	12"	Extruded	-40 to 185	UL 94 HB	8578K311	00000
		12"	24"	Extruded	-40 to 185	UL 94 HB	8578K511	000000
		12"	48"	Extruded	-40 to 185	UL 94 HB	8578K811	000000
		24"	24"	Extruded	-40 to 185	UL 94 HB	8578K611	000000


		1/4" Thick



				6"	6"	Extruded	-40 to 185	UL 94 HB	8578K412	00000


				12"	12"	Extruded	-40 to 185	UL 94 HB	8578K312	000000
				12"	24"	Extruded	-40 to 185	UL 94 HB	8578K512	000000
				12"	48"	Extruded	-40 to 185	UL 94 HB	8578K812	000000
				24"	24"	Extruded	-40 to 185	UL 94 HB	8578K612	000000


				3/8" Thick



						6"	6"	Extruded	-40 to 185	UL 94 HB	8578K413	00000


						12"	12"	Extruded	-40 to 185	UL 94 HB	8578K313	000000
						12"	24"	Extruded	-40 to 185	UL 94 HB	8578K513	000000
						12"	48"	Extruded	-40 to 185	UL 94 HB	8578K813	000000
						24"	24"	Extruded	-40 to 185	UL 94 HB	8578K613	000000


						1/2" Thick



								6"	6"	Extruded	-40 to 185	UL 94 HB	8578K414	000000


								12"	12"	Extruded	-40 to 185	UL 94 HB	8578K314	000000
								12"	24"	Extruded	-40 to 185	UL 94 HB	8578K514	000000
								12"	48"	Extruded	-40 to 185	UL 94 HB	8578K814	00000000
								24"	24"	Extruded	-40 to 185	UL 94 HB	8578K614	00000000


								5/8" Thick



										6"	6"	Extruded	-40 to 185	UL 94 HB	8578K415	000000


										12"	12"	Extruded	-40 to 185	UL 94 HB	8578K315	000000
										12"	24"	Extruded	-40 to 185	UL 94 HB	8578K515	000000
										12"	48"	Extruded	-40 to 185	UL 94 HB	8578K815	00000000
										24"	24"	Extruded	-40 to 185	UL 94 HB	8578K615	00000000


3/4" Thick



										6"	6"	Extruded	-40 to 185	UL 94 HB	8578K416	000000


										12"	12"	Extruded	-40 to 185	UL 94 HB	8578K316	000000
										12"	24"	Extruded	-40 to 185	UL 94 HB	8578K516	000000
										12"	48"	Extruded	-40 to 185	UL 94 HB	8578K816	00000000
										24"	24"	Extruded	-40 to 185	UL 94 HB	8578K616	00000000


										1" Thick



										6"	6"	Extruded	-40 to 185	UL 94 HB	8578K417	000000


										12"	12"	Extruded	-40 to 185	UL 94 HB	8578K317	000000
										12"	24"	Extruded	-40 to 185	UL 94 HB	8578K517	00000000
										12"	48"	Extruded	-40 to 185	UL 94 HB	8578K817	00000000
										24"	24"	Extruded	-40 to 185	UL 94 HB	8578K617	00000000

Ultra-Low-Friction Delrin® Acetal Round Tubes

The addition of PTFE provides a more slippery, wear-resistant surface than standard Delrin® acetal resin. These tubes resist expanding when exposed to heat and moisture, so they can be machined to tight tolerances. Fabricate them into pump components, gears, and bearings. Delrin® acetal resin is also known as acetal homopolymer and POM-H.

Oversized Tolerance—Oversized tubes have an oversized OD and an undersized ID for finishing to the sizes listed.

							Brown
	OD	ID	Fabrication	Temp., ° F	Flammability Rating	Choose a Length, ft.		Per Ft.
Oversized Tolerance







				1/16" Thick Wall

				1/4"	1/8"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T11	00000


				5/8"	1/2"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T14	00000




						1/8" Thick Wall

						1/2"	1/4"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T12	00000


						3/4"	1/2"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T15	00000
						1 1/4"	1"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T22	00000




								3/16" Thick Wall

								5/8"	1/4"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T13	00000




										1/4" Thick Wall

										3/4"	1/4"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T16	00000


										1"	1/2"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T17	00000
										1 1/4"	3/4"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T21	00000
										1 1/2"	1"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T23	00000
										2"	1 1/2"	Extruded	-40 to 185	UL 94 HB	1, 2, 3, 4, 5	1817T24	00000