HDPE Rounds | McMaster-Carr

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	Shape Shape


Rod and Disc	Ball

	Diameter Diameter

	Length Length

	Material Material

Plastic

	Color Color

	White

	Performance Properties Performance Properties

	For Use With For Use With

	Texture Texture

	Smooth

	Hardness Rating Hardness Rating

Medium

	Friction Rating Friction Rating

Slippery

	Flexibility Flexibility

	Flexible

	Tolerance Rating Tolerance Rating

Standard

Oversized

	Maximum Temperature Maximum Temperature

200° F

Not Rated

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Clarity Clarity

Semi-Clear

Opaque

	Comparable To Comparable To

Hitec

Sanalite

Sanatec

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Flexural Modulus Flexural Modulus

120,000-225,000 psi

	Hardness Hardness

Rockwell R40-R80

	Dielectric Strength Dielectric Strength

450-510 V/mil

	Thermal Stability Thermal Stability

Poor

	Impact Strength Impact Strength

1.1-1.94 ft.-lbs./in.

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About Plastic

White

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	00000
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	000000
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	000000
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

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About Plastic

Moisture-Resistant Polyethylene (HDPE) Rods and Discs

Moisture-Resistant Polyethylene (HDPE) Balls