HDPE Rods | McMaster-Carr

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Material

For Joining

Shape

System of Measurement

Diameter

Length

Color

Performance

Highly Electrically Insulating

Highly Moisture Resistant

Flexibility

Hardness Rating

Maximum Temperature

Specifications Met

For Use With

Sodium Hydroxide (Caustic Soda)

Sodium Hypochlorite (Bleach)

Texture

Smooth

Tensile Strength

3,920 psi to 4,200 psi

Hardness

Rockwell R40 to Rockwell R80

Density

0.035 lb/in³

Tolerance Rating

Oversized

Impact Strength

1.1 ft·lbf/in to 1.94 ft·lbf/in

Application

Multipurpose

For Use Outdoors

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

Yes

REACH

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

RoHS

41 Products

About Plastic

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

Highly Moisture-Resistant HDPE Rods

Machine these rods and discs into plugs, seals, and low-load rollers. They’re denser and more rigid than LDPE rods, and they offer better resistance to water and chemicals.

Long Rods

Image of Product. Front orientation. Plastic. Highly Moisture-Resistant HDPE Rods.

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



	1/4"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8	8624K71	00000


	3/8"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8	8624K72	0000
	1/2"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8	8624K73	0000
	5/8"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8	8624K74	0000
	3/4"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8	8624K75	0000
	1"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K16	0000
	1 1/4"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K29	00000
	1 1/2"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K17	00000
	1 3/4"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K19	00000
	2"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K18	00000
	2 1/4"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K42	00000


	2 1/2"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K44	00000
	3"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K46	00000
	3 1/2"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K48	00000
	4"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K54	00000
	5"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K56	000000
	6"	Extruded	-40	200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	1, 2, 3, 4, 5, 6, 7, 8	8624K58	000000

Short Rods and Discs

							1" Long		3" Long		6" Long
	Dia.	Fabrication	Temp., ° F	Tensile Strength, psi	Impact Strength, ft·lbf/in	Flammability Rating		Each		Each		Each
White



		4"	Extruded	-40 to 200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8624K611	000000	8624K641	000000	8624K671	000000


		5"	Extruded	-40 to 200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8624K621	00000	8624K651	00000	8624K681	000000
		6"	Extruded	-40 to 200	3,920 to 4,200	1.1 to 1.94	UL 94 HB	8624K631	00000	8624K661	00000	8624K691	000000

Hot Air Welding Rods

For Joining Marine-Grade HDPE—Marine-grade HDPE is also known as starboard.

			1 lb.			5 lb.
	Dia.	Color	Lg., ft.		Each	Lg., ft.		Each
For Joining HDPE



		1/8"	Black	210	7889A136	000000	—	———	0


		1/8"	Off-White	210	7889A35	00000	1,050	7889A351	000000
		5/32"	Black	135	7889A137	00000	—	———	0
		5/32"	Off-White	135	7889A36	00000	685	7889A361	00000
		3/16"	Black	90	7889A138	00000	—	———	0
		3/16"	Off-White	90	7889A37	00000	460	7889A371	00000


		For Joining Marine-Grade HDPE



				1/8"	Black	210	7889A139	00000	—	———	0


				1/8"	Off-White	210	7889A144	00000	—	———	0
				5/32"	Black	135	7889A145	00000	—	———	0
				5/32"	Off-White	135	7889A146	00000	—	———	0
				3/16"	Black	90	7889A147	00000	—	———	0
				3/16"	Off-White	90	7889A148	00000	—	———	0