Rubber Process Analyzer for flexible test design
RPA VISCO-ELASTOGRAPH

The Rubber Process Analyzer RPA VISCO-ELASTOGRAPH from GÖTTFERT is a testing equipment used to measure the viscoelastic behaviour of natural and synthetic rubber compounds in plasticised state, either during vulcanisation or after vulcanisation.

The vulcameter can be equipped with choice of different test chamber designs from quasi, to hermetically sealed test chambers in biconical, shore and paste versions, which depends on the standard and material used. With the optional autoloader, multiple tests can be performed fully automatically without user intervention.

During the testing, the instrument imposed a torsional load onto the sample by the rotational oscillation of the lower half test die. The recording of the Torque value and phase angle vs test time is carried out.

Compared to the MDR, the RPA offers much more freedom in test design. Both the frequency and amplitude can be set by having program-controlled in a very large adjustment range. In combination with the very fast temperature control, frequency, amplitude and temperature sweeps as well as ramp or relaxation tests can be performed fully automatically.

Measurement Type:
• Isothermal / non-isothermal curve
• Frequency sweep
• Amplitudes sweep
• Temperature sweep
• Ramp test
• Relaxation test

Instrument according to the standards:
• ISO 6502
• ASTM D5289
• ASTM D6601
• ASTM D6204
• DIN 53529
• ISO 13145
• ASTM D7050
• ASTM 6048
• ASTM D7605

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