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Custom molded sponge rubber balls from premium natural rubber compound. Our chemically blown rubber balls have a vey uniform cell structure.

Sponge rubber balls from Rubbermill. Our chemically blown sponge rubber balls are made from a premium grade natural rubber compound.

RubberMill's chemically blown sponge balls are molded from a premium grade natural rubber compound. Our molding process ensures uniform cell structure, excellent physical properties, good colorability, and smooth skinned surfaces.

Available Colors:*
Red, Blue, White, Green, Yellow
* Exact color shades cannot be guaranteed.

Properties
Material:	Natural Rubber
Hardness:	70 +/– 5 (Shore00)
Tolerance:	+/– .040 in.
Density:	25.0 lb/cu.ft.
Rebound:	40%
Tensile Strength:	140 psi
Elongation:	480%

Sizes (diameter)
Nominal (in.)	Actual (mm)
1 1/8	28
1 3/8	35
2	50
2 1/4	56
2 1/2	63
2 3/4	70

Other sizes and compounds are available as specialty orders. Contact your Customer Service Representative for more information.

Visit our Design Illustration #46 Ball to specify your ball needs.