HDPE Rounds | McMaster-Carr

Clear All

	Shape Shape


Rod and Disc	Ball

	Diameter Diameter

	Length Length

	Material Material

Plastic

	Color Color

	White

	Performance Properties Performance Properties

	Flexibility Flexibility

	Flexible

	Maximum Temperature Maximum Temperature

200° F

Not Rated

	Texture Texture

	Smooth

	Clarity Clarity

Semi-Clear

Opaque

	For Use With For Use With

	Specifications Met Specifications Met

ASTM

UL 94

	Hardness Rating Hardness Rating

Medium

	Hardness Hardness

Rockwell R40-R80

	Friction Rating Friction Rating

Slippery

	Density Density

0.035 lbs./cu. in.

	Tensile Strength Tensile Strength

3,920-4,200 psi

	Thermal Stability Thermal Stability

Poor

	Dielectric Strength Dielectric Strength

450-510 V/mil

	Electrical Insulation Rating Electrical Insulation Rating

Good

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Impact Strength Impact Strength

1.1-1.94 ft.-lbs./in.

	Minimum Temperature Minimum Temperature

32 Products

About Plastic

Color: White
Temperature Range: -40° to 200° F
Tensile Strength: 3,920-4,200 psi (Poor)
Impact Strength: 1.1-1.94 ft.-lbs./in. (Poor)
Hardness: Rockwell R40-R80 (Medium)
For Use Outdoors: No
Specifications Met: ASTM D4976, UL 94 HB

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.

For technical drawings and 3-D models, click on a part number.

Rods

				Per Ft.
Dia.	Tolerance Rating	Lengths, ft.		Each
1/4"	Oversized	8	0000000	000000
3/8"	Oversized	8	0000000	00000
1/2"	Oversized	8	0000000	00000
5/8"	Oversized	8	0000000	00000
3/4"	Oversized	8	0000000	00000
1"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	0000
1 1/4"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	0000
1 1/2"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
1 3/4"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
2"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
2 1/4"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
2 1/2"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
3"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
3 1/2"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
4"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
5"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	00000
6"	Oversized	1, 2, 3, 4, 5, 6, 7, 8	0000000	000000

Discs

		1" Lg.		3" Lg.		6" Lg.
Dia.	Tolerance Rating		Each		Each		Each
4"	Oversized	00000000	000000	00000000	000000	00000000	000000
5"	Oversized	00000000	00000	00000000	00000	00000000	00000
6"	Oversized	00000000	00000	00000000	00000	00000000	000000

Moisture-Resistant Polyethylene (HDPE) Balls

Color: Semi-Clear White
Temperature Range: Not Rated
Tensile Strength: 3,920-4,200 psi (Poor)
Impact Strength: 1.1-1.94 ft.-lbs./in. (Poor)
Hardness: Rockwell R40-R80 (Medium)
For Use Outdoors: No

Often used in check valves, relief valves, and float valves, these balls won’t swell when exposed to water. HDPE offers good chemical resistance.

For technical drawings and 3-D models, click on a part number.

Dia.	Dia. Tolerance	Pkg. Qty.		Pkg.
1/8"	-0.002" to 0.002"	250	0000000	00000
1/4"	-0.002" to 0.002"	250	0000000	00000
3/8"	-0.002" to 0.002"	100	0000000	00000
7/16"	-0.002" to 0.002"	100	0000000	00000
1/2"	-0.002" to 0.002"	50	0000000	00000
9/16"	-0.002" to 0.002"	25	0000000	0000

About Plastic

Moisture-Resistant Polyethylene (HDPE) Rods and Discs

Moisture-Resistant Polyethylene (HDPE) Balls

Moisture-Resistant Polyethylene (HDPE) Rods and Discs

Moisture-Resistant Polyethylene (HDPE) Balls