Collection: Balls - Rubber - Santoprene 40D

Balls (With Images)

Rubber

Nitrile
Santoprene 40D
Santoprene 87A

9 Products in this selection

A high performance thermoplastic created by cross linking EPDM rubber with Polypropylene. As an elastomer plastic it is flexible, light weight, and has very good abrasion resistance. It also has good resistance to many acids, bases and aqueous solutions.
It holds up well in both extreme hot and cold environments which can make it preferred over rubber. Common uses include; grips, knobs, handles, gaskets, and ball check valves.
Specific Gravity .95 g/cc. Hardness, Shore 40D
Tensile Strength 3000 psi. Melting Point 410 F
Rohs Compliant. Not FDA compliant.
This grade is slightly harder than the 87A grade. Colour usually red but some sizes are beige.

Additional resources:
Balls Master Catalogue PDF

A more concise listing may be found on the Smallparts store at Balls - Rubber - Santoprene 40D. Smallparts promote the most popular MBA products.

Diameter (D)	Material	Precision Grade	Hardness	Properties	Colour
Diameter (D) 3.00 mm +/- 0.051 _{(0.118 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Beige
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-00300-R40D-OEM (25000 Pcs) Rubber Balls - 3 mm Santoprene Rubber - Grade II Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $650.14 AUD Regular price Sale price $650.14 AUD Unit price per Per 25000
Diameter (D)	Material	Precision Grade	Hardness	Indicative Image
Diameter (D) 3.00 mm +/- 0.051 _{(0.118 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Beige Specific Gravity: 0.95
Part Number: BL-00300-R40D-OEM (25000 Pcs) Rubber Balls - 3 mm Santoprene Rubber - Grade II Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $650.14 AUD Regular price Sale price $650.14 AUD Unit price per Per 25000 View the product page first if you are unsure.
BL-00300-R40D-OEM (25000 Pcs) --- Rubber Balls - 3 mm Santoprene Rubber - Grade II BL-00300-R40D-OEM (25000 Pcs) --- Rubber Balls - 3 mm Santoprene Rubber - Grade II Regular price $650.14 AUD Regular price Sale price $650.14 AUD Unit price per Out of stock! Backorder Now
Diameter (D) 3.00 mm +/- 0.051 _{(0.118 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Beige
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-00300-R40D (1000 Pcs) Rubber Balls - 3 mm Santoprene Rubber - Grade II 473 units (473000 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $25.00 AUD Regular price ~~$30.00 AUD~~ Sale price $25.00 AUD Unit price per Per 1000
Diameter (D) 3.00 mm +/- 0.051 _{(0.118 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Beige Specific Gravity: 0.95
Part Number: BL-00300-R40D (1000 Pcs) Rubber Balls - 3 mm Santoprene Rubber - Grade II 473 units (473000 pcs) Available Immediately \| Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity Regular price $25.00 AUD Regular price ~~$30.00 AUD~~ Sale price $25.00 AUD Unit price per Per 1000
BL-00300-R40D (1000 Pcs) --- Rubber Balls - 3 mm Santoprene Rubber - Grade II Sale BL-00300-R40D (1000 Pcs) --- Rubber Balls - 3 mm Santoprene Rubber - Grade II Regular price $25.00 AUD Regular price ~~$30.00 AUD~~ Sale price $25.00 AUD Unit price per 473 Available Now Sale
Diameter (D) 4.76 mm +/- 0.051 _{(0.187 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Beige or Red
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-00476-R40D (20 Pcs) Rubber Balls - 4.76 mm Santoprene Rubber - Grade II 67 units (1340 pcs) Available Immediately \| Further orders can be expected around Sun, Jul 27, 2025 Regular price $4.77 AUD Regular price ~~$5.73 AUD~~ Sale price $4.77 AUD Unit price per Per 20
Diameter (D) 4.76 mm +/- 0.051 _{(0.187 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Beige or Red Specific Gravity: 0.95
Part Number: BL-00476-R40D (20 Pcs) Rubber Balls - 4.76 mm Santoprene Rubber - Grade II 67 units (1340 pcs) Available Immediately \| Further orders can be expected around Sun, Jul 27, 2025 Regular price $4.77 AUD Regular price ~~$5.73 AUD~~ Sale price $4.77 AUD Unit price per Per 20 View the product page first if you are unsure.
BL-00476-R40D (20 Pcs) --- Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Sale BL-00476-R40D (20 Pcs) --- Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Regular price $4.77 AUD Regular price ~~$5.73 AUD~~ Sale price $4.77 AUD Unit price per 67 Available Now Sale
Diameter (D) 12.70 mm +/- 0.051 _{(0.5 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Red
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-01270-R40D (10 Pcs) Rubber Balls - 12.7 mm Santoprene Rubber - Grade II Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $19.23 AUD Regular price Sale price $19.23 AUD Unit price per Per 10
Diameter (D) 12.70 mm +/- 0.051 _{(0.5 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Red Specific Gravity: 0.95
Part Number: BL-01270-R40D (10 Pcs) Rubber Balls - 12.7 mm Santoprene Rubber - Grade II Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $19.23 AUD Regular price Sale price $19.23 AUD Unit price per Per 10 View the product page first if you are unsure.
BL-01270-R40D (10 Pcs) --- Rubber Balls - 12.7 mm Santoprene Rubber - Grade II BL-01270-R40D (10 Pcs) --- Rubber Balls - 12.7 mm Santoprene Rubber - Grade II Regular price $19.23 AUD Regular price Sale price $19.23 AUD Unit price per Out of stock! Backorder Now
Diameter (D) 19.05 mm +/- 0.051 _{(0.75 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Red
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-01905-R40D (2 Pcs) Rubber Balls - 19.05 mm Santoprene Rubber - Grade II 25 units (50 pcs) Available Immediately \| Further orders can be expected around Sun, Jul 27, 2025 Regular price $6.41 AUD Regular price Sale price $6.41 AUD Unit price per Per 2
Diameter (D) 19.05 mm +/- 0.051 _{(0.75 in.)}	Material Santoprene Rubber	Precision Grade Grade II	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Red Specific Gravity: 0.95
Part Number: BL-01905-R40D (2 Pcs) Rubber Balls - 19.05 mm Santoprene Rubber - Grade II 25 units (50 pcs) Available Immediately \| Further orders can be expected around Sun, Jul 27, 2025 Regular price $6.41 AUD Regular price Sale price $6.41 AUD Unit price per Per 2 View the product page first if you are unsure.
BL-01905-R40D (2 Pcs) --- Rubber Balls - 19.05 mm Santoprene Rubber - Grade II BL-01905-R40D (2 Pcs) --- Rubber Balls - 19.05 mm Santoprene Rubber - Grade II Regular price $6.41 AUD Regular price Sale price $6.41 AUD Unit price per 25 Available Now
Diameter (D) 31.75 mm +/- 0.127 _{(1.25 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Red
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-03175-R40D (35 Pcs) Rubber Balls - 31.75 mm Santoprene Rubber - Grade III Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $449.32 AUD Regular price Sale price $449.32 AUD Unit price per Per 35
Diameter (D) 31.75 mm +/- 0.127 _{(1.25 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Red Specific Gravity: 0.95
Part Number: BL-03175-R40D (35 Pcs) Rubber Balls - 31.75 mm Santoprene Rubber - Grade III Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $449.32 AUD Regular price Sale price $449.32 AUD Unit price per Per 35 View the product page first if you are unsure.
BL-03175-R40D (35 Pcs) --- Rubber Balls - 31.75 mm Santoprene Rubber - Grade III BL-03175-R40D (35 Pcs) --- Rubber Balls - 31.75 mm Santoprene Rubber - Grade III Regular price $449.32 AUD Regular price Sale price $449.32 AUD Unit price per Out of stock! Backorder Now
Diameter (D) 38.10 mm +/- 0.127 _{(1.5 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Red
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-03810-R40D (40 Pcs) Rubber Balls - 38.1 mm Santoprene Rubber - Grade III Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $815.14 AUD Regular price Sale price $815.14 AUD Unit price per Per 40
Diameter (D) 38.10 mm +/- 0.127 _{(1.5 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Red Specific Gravity: 0.95
Part Number: BL-03810-R40D (40 Pcs) Rubber Balls - 38.1 mm Santoprene Rubber - Grade III Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $815.14 AUD Regular price Sale price $815.14 AUD Unit price per Per 40 View the product page first if you are unsure.
BL-03810-R40D (40 Pcs) --- Rubber Balls - 38.1 mm Santoprene Rubber - Grade III BL-03810-R40D (40 Pcs) --- Rubber Balls - 38.1 mm Santoprene Rubber - Grade III Regular price $815.14 AUD Regular price Sale price $815.14 AUD Unit price per Out of stock! Backorder Now
Diameter (D) 44.45 mm +/- 0.127 _{(1.75 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Red
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-04445-R40D (30 Pcs) Rubber Balls - 44.45 mm Santoprene Rubber - Grade III Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $827.05 AUD Regular price Sale price $827.05 AUD Unit price per Per 30
Diameter (D) 44.45 mm +/- 0.127 _{(1.75 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Red Specific Gravity: 0.95
Part Number: BL-04445-R40D (30 Pcs) Rubber Balls - 44.45 mm Santoprene Rubber - Grade III Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jul 27, 2025 Regular price $827.05 AUD Regular price Sale price $827.05 AUD Unit price per Per 30 View the product page first if you are unsure.
BL-04445-R40D (30 Pcs) --- Rubber Balls - 44.45 mm Santoprene Rubber - Grade III BL-04445-R40D (30 Pcs) --- Rubber Balls - 44.45 mm Santoprene Rubber - Grade III Regular price $827.05 AUD Regular price Sale price $827.05 AUD Unit price per Out of stock! Backorder Now
Diameter (D) 57.15 mm +/- 0.127 _{(2.25 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D	Properties Excellent for liquid level float applications.	Colour Red
Material: Santoprene Rubber Specific Gravity: 0.95
Part Number: BL-05715-R40D Rubber Balls - 57.15 mm Santoprene Rubber - Grade III 40 Available Immediately \| Further orders can be expected around Sun, Jul 27, 2025 Regular price $52.32 AUD Regular price Sale price $52.32 AUD Unit price per Each
Diameter (D) 57.15 mm +/- 0.127 _{(2.25 in.)}	Material Santoprene Rubber	Precision Grade Grade III	Hardness Shore 40D
Material: Santoprene Rubber Properties: Excellent for liquid level float applications. Colour: Red Specific Gravity: 0.95
Part Number: BL-05715-R40D Rubber Balls - 57.15 mm Santoprene Rubber - Grade III 40 Available Immediately \| Further orders can be expected around Sun, Jul 27, 2025 Regular price $52.32 AUD Regular price Sale price $52.32 AUD Unit price per Each View the product page first if you are unsure.
BL-05715-R40D --- Rubber Balls - 57.15 mm Santoprene Rubber - Grade III BL-05715-R40D --- Rubber Balls - 57.15 mm Santoprene Rubber - Grade III Regular price $52.32 AUD Regular price Sale price $52.32 AUD Unit price per 40 Available Now