1. Deutsches Institut für Normung eV (2000) DIN 53508:2000-03, Testing of rubber—accelerated ageing
2. Deutsches Institut für Normung eV (2012) DIN EN ISO 527–2:2012–06; Plastics—determination of tensile properties—part 2: test conditions for moulding and extrusion plastics (ISO 527–2:2012). German version EN ISO 527–2:2012
3. Deutsches Institut für Normung eV (2017) DIN 53504:2017–03; Testing of rubber—determination of tensile strength at break, tensile stress at yield, elongation at break and stress values in a tensile test
4. Deutsches Institut für Normung eV (2019) DIN EN ISO 527–1:2019–12; Plastics—determination of tensile properties—part 1: general principles (ISO 527–1:2019). German Version EN ISO 527–1:2019
5. Deutsches Institut für Normung eV (2021) DIN ISO 48-4:2021-02, Rubber, vulcanized or thermoplastic—determination of hardness—part 4: indentation hardness by durometer method (Shore hardness) (ISO 48-4:2018)