ASTM Rubber Balls | McMaster-Carr

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Viton® Fluoroelastomer

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36 Products

About Rubber

Compare over 15 types of rubber to find the right material for you.

Oil-Resistant Buna-N Rubber Balls

Color: Black
Temperature Range: -40° to 212° F
Tensile Strength: Durometer 40A (Medium Soft): 1,000 psi; Durometer 70A (Hard): 1,800 psi
For Use Outdoors: No

Use these balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. Buna-N is also known as nitrile, NBR, and acrylonitrile butadiene. It offers good resistance to petroleum-based oils.

Dia.	Dia. Tolerance	Durometer	Specifications Met		Each
1/8"	-0.005" to +0.005"	70A (Hard)	ASTM D2000 M BG 712	0000000	00000
3/16"	-0.003" to +0.003"	70A (Hard)	ASTM D2000 BG 714	0000000	0000
7/32"	-0.005" to +0.005"	70A (Hard)	ASTM D2000 M BG 712	0000000	0000
1/4"	-0.003" to +0.003"	70A (Hard)	ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715	0000000	0000
5/16"	-0.003" to +0.003"	70A (Hard)	ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715	0000000	0000
3/8"	-0.003" to +0.003"	70A (Hard)	ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715	0000000	0000
7/16"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715	0000000	0000
1/2"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715	0000000	0000
5/8"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715	0000000	0000
3/4"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715	0000000	0000

High-Strength Multipurpose Neoprene Rubber Balls

Color: Black
Temperature Range: 55A balls: 0° to 212° F; 70A balls: -15° to 200° F
Tensile Strength: 55A balls: 2,000 psi; 70A balls: 3/16" dia. balls: 1,450 psi, all other sizes: 2,100 psi
For Use Outdoors: Yes

Let these balls bounce inside of vibrating sifters for an effective screen cleaner or use them as seals in pumps and check valves. Neoprene is also called chloroprene. It offers good oil and abrasion resistance.

Dia.	Dia. Tolerance	Durometer	Specifications Met	Pkg. Qty.		Pkg.
3/16"	-0.003" to +0.003"	70A (Hard)	ASTM D2000 M BC 710	1	000000	00000
1/4"	-0.003" to +0.003"	70A (Hard)	ASTM D2000 BC 715, ASTM D2000 BE 715	1	000000	0000
3/8"	-0.003" to +0.003"	70A (Hard)	ASTM D2000 BC 715, ASTM D2000 BE 715	1	000000	0000
1/2"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 BC 715, ASTM D2000 BE 715	1	000000	0000
3/4"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 BC 715, ASTM D2000 BE 715	1	000000	00000

Chemical-Resistant Viton® Fluoroelastomer Rubber Balls

Color: Black
Temperature Range: 0° to 400° F
Tensile Strength: 1,500 psi
For Use Outdoors: Yes

Resistant to harsh chemicals and high temperatures, these balls stand up in applications as extreme as aerospace fuel systems. You can use them as seals in check valves and pumps or bounce them in vibrating sifters to clean screens. Made of Viton® fluoroelastomer rubber, also known as FKM, these rubber balls resist chemicals such as nitric acid, ethylene glycol, and isopropyl alcohol. Compared to Aflas, this rubber has better resistance to solvents and petroleum-based fuels. However, it doesn't hold up as well to steam and strong acids as Aflas.

Dia.	Dia. Tolerance	Durometer	Specifications Met		Each
3/16"	-0.003" to +0.003"	75A (Hard)	ASTM D2000 HK 820 Z1	000000	00000
1/4"	-0.003" to +0.003"	75A (Hard)	ASTM D2000 HK 820 Z1	000000	0000
5/16"	-0.003" to +0.003"	75A (Hard)	ASTM D2000 HK 820 Z1	000000	0000
3/8"	-0.003" to +0.003"	75A (Hard)	ASTM D2000 HK 820 Z1	00000000	0000
7/16"	-0.004" to +0.004"	75A (Hard)	ASTM D2000 HK 820 Z1	000000	0000
1/2"	-0.004" to +0.004"	75A (Hard)	ASTM D2000 HK 820 Z1	000000	0000
5/8"	-0.004" to +0.004"	75A (Hard)	ASTM D2000 HK 820 Z1	000000	00000
3/4"	-0.004" to +0.004"	75A (Hard)	ASTM D2000 HK 820 Z1	000000	00000

Chemical-Resistant Ultra-High Temperature FFKM Rubber Balls

Color: Black
Temperature Range: 15° to 445° F
Tensile Strength: 1,200 psi
For Use Outdoors: Yes

For use in harsh environments, these FFKM balls resist most chemicals and withstand temperatures up to 445° F. Also known as perfluoroelastomer, FFKM is comparable to Kalrez. Use these balls as seals in pumps and check valves that are exposed to high heat and aggressive chemicals, such as in semiconductor manufacturing.

Dia.	Dia.Tolerance	Durometer	Specifications Met		Each
1/8"	-0.008" to +0.008"	75A (Hard)	ASTM D2240	00000000	000000
3/16"	-0.008" to +0.008"	75A (Hard)	ASTM D2240	00000000	00000
1/4"	-0.008" to +0.008"	75A (Hard)	ASTM D2240	00000000	00000
5/16"	-0.008" to +0.008"	75A (Hard)	ASTM D2240	00000000	00000

Weather-Resistant EPDM Rubber Balls

Color: Black
Temperature Range: -40° to 225° F
Tensile Strength: 1,500 psi
For Use Outdoors: Yes

Made of EPDM, these rubber balls won’t degrade from sunlight, ozone, or water. They can be used to clean screens inside vibrating sifters, dampen vibration inside assemblies, and seal pumps and check valves.

Dia.	Dia. Tolerance	Durometer	Specifications Met		Each
1/8"	-0.005" to +0.005"	70A (Hard)	ASTM D2000 DA 720	0000000	00000
3/16"	-0.005" to +0.005"	70A (Hard)	ASTM D2000 DA 720	0000000	0000
1/4"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 DA 720	0000000	0000
5/16"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 DA 720	0000000	0000
3/8"	-0.004" to +0.004"	70A (Hard)	ASTM D2000 DA 720	0000000	0000
7/16"	-0.005" to +0.005"	70A (Hard)	ASTM D2000 DA 720	0000000	0000
1/2"	-0.005" to +0.005"	70A (Hard)	ASTM D2000 DA 720	0000000	0000
5/8"	-0.006" to +0.006"	70A (Hard)	ASTM D2000 DA 720	0000000	0000
3/4"	-0.007" to +0.007"	70A (Hard)	ASTM D2000 DA 720	0000000	00000