ISO 6502-3:2018 pdf free download. Rubber — Measurement of vulcanization characteristics using curemeters — Part 3: Rotorless curemeter.
ISO 6502-3:2018 specifies a method for determining selected vulcanization characteristics of a rubber compound by means of a rotorless curemeter. The introduction to the use of curemeters is given in ISO 6502-1.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 6502-1: 2018, Rubber- Measurement of vulcanization characteristics using curemeters-Part 1 Introduction;
ISO 18899: 2013, Rubber- Guide to the calibration of test equipment.
A test piece of rubber is placed in a heated cavity formed by two dies, one of which is oscillated at a given frequency and amplitude. This action exerts a shear strain on the test piece and a shear torque which depends on the stiffness (shear modulus) of the rubber. The torque that increases as vulcanization proceeds is measured by a torque sensor incorporated in the other die member. The torque is recorded autographically as a function of time.

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