Tensile Properties of Rubber/Elastomers - ASTM D412
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This standard covers a variety of tensile properties for rubber and elastomeric materials. Testing is performed on either dumbbell, straight, or cut ring specimens.
| Method |
Specimens Covered |
| A |
Dumbbell and Straight Specimens (Types A-F) |
| B |
Cut Ring Specimen (Types 1 and 2) |
| Term |
Definition |
| Elongation at Break |
Tensile elongation corresponding to the point of rupture. |
| Tensile Strength at Break |
Tensile stress corresponding to the point of rupture. |
| Elongation Set after Break |
Tensile elongation remaining after specimen breaks. Elongation is measured by putting the broken specimen back together and measuring its length. |
| Yield point |
The point on the stress-strain curve, where the slope of the curve becomes zero. |
| Elongation at Yield |
Tensile elongation corresponding to the yield point. |
| Tensile Strength at Yield |
Tensile stress corresponding to the yield point. |
| Tensile Set |
The tensile elongation remaining after a specimen has been stretched and allowed to relax in a controlled manner. |
| Tensile Stress at 20% |
Tensile stress at 20% elongation. Also known as "20% Modulus" |
| Tensile Stress at 50% |
Tensile stress at 50% elongation. Also known as "50% Modulus" |
| Tensile Stress at 100% |
Tensile stress at 100% elongation. Also known as "100% Modulus" |
| Tensile Stress at 200% |
Tensile stress at 200% elongation. Also known as "200% Modulus" |
| Tensile Stress at 300% |
Tensile stress at 300% elongation. Also known as "300% Modulus" |
| Tensile Stress at 500% |
Tensile stress at 500% elongation. Also known as "500% Modulus" |
Similar Standards
Property information for specific grades of resin are available in the Prospector.
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