DIN 53504 Standard

What does DIN 53504 cover?

DIN 53504 defines the tensile strength, yield stress, elongation at break, and stress values in tensile testing of elastomer materials.

Tensile strength at break

Tensile strength at break is the force required to break a standard elastomer sample, measured in MPa (N/mm²). The sample is stretched at constant speed until failure.

The test must be conducted no sooner than 16 hours and no later than 72 hours after vulcanisation, at room temperature, following DIN 53504, ISO 37:2005, and ASTM D412 standards.

Testing methods

• Method A (DIN 53504 / ISO 37) measures tensile strength, results in N/mm.

• Method B (DIN 53515 / ISO 34‑1) measures tear resistance under angular stretching, results in N/mm.

Results are only comparable when the same test method is applied.

Elongation at break

Expressed as the percentage increase in length at rupture—e.g., 200 % elongation means the sample stretched to twice its original length.

Stress modulus

The stress value at a given elongation (e.g., 200 %) indicates elastic stiffness, measured in MPa.