Instrument and method for control testing of vulcanised rubber.

摘要

A curemeter has dies (6,7) maintainable at a substantially uniform vulcanisation temperature, the said dies being arranged to be separable and for closure, and which when closed define a cavity (8) for accommodating a sample of compounded rubber, means for subjecting the sample of compounded rubber to oscillating shear strain (e.g. rotor 9) and means for obtaining a signal derived from such oscillation and correlating with the degree of vulcanisation of the sample. The curemeter is characterised by also having separable dies (4, 5) maintainable at the same substantially uniform vulcanisation temperature as the first said dies, and which when closed define at least one cavity for accommodating a further sample of the compounded rubber for vulcanisation under static conditions.