Dongguan Ruichen Sealing Co., Ltd.
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Place of Origin: | Guangdong, China (Mainland) |
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20MM Valves / Bearings Silicone Rubber Ball 70 Shore High Temprature Resistant
Rubber balls are spherical shaped balls having varied applications. Right from a small toy ball to large industrial applications, the use of rubber balls is seen. They are used as check or ball valves, bearings, and in other applications. Rubber as an elastomeric material is a synthetic or processed material that can be shaped into many forms. The balls are manufactured in a number of different colors and elastomers/rubber types, depending on the application.
Buying Tips
Performance specifications for rubber balls are:
Silicone 70 TEST REPORT ASTM D2000 M2BG 714 B14 EO14 EF11 EF21 EA14 F17 |
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PROPERITIES |
SPECIFICATION |
TEST RESULT |
TEST METHOD |
Hardness shore A |
70±5 |
72 |
D2240 |
Tensile MPA Min |
14 |
14.5 |
D12 |
Elongation % Min |
250 |
315 |
D412 |
Gravity |
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1.263 |
D297 |
Heat resistant 70h 100 Hardness change |
±15 |
5 |
D573 |
Tensile strength% |
±30 |
15 |
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Elongation Max |
-50 |
-12 |
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Compression Max 22h at 100 |
25 |
14 |
D395 |
NO1 oil resistant |
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Change in hardness |
-10~+5 |
+1 |
D471 |
Change in tensile Max |
-25 |
-16 |
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Change in Elongation |
-45 |
-20 |
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Change in Volume% |
0~25 |
+6 |
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Fuel resistant 70 H at 23 |
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