Rubber Mooney Viscosity Tester ISO 289

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The Rubber Mooney Viscosity Tester measures the viscosity of rubber under controlled temperature and shear conditions. A rubber sample is loaded into the viscometer cavity and preheated, then the rotor applies shear torque to the sample. The sample produces a resistance moment that is displayed either via a dial indicator or a connected computer, giving the Mooney viscosity value. This test is essential for evaluating processing properties and consistency of rubber compounds.

Applications

(1) Natural rubber and synthetic rubber: evaluation of processing viscosity for tire and automotive parts manufacturing.

(2) Rubber compounds: quality control during mixing and formulation.

(3) Footwear midsoles and outsoles: monitoring rubber flow and processability.

(4) Industrial rubber products: hoses, gaskets, belts, vibration dampers.

(5) Laboratory research: R&D on new rubber formulations and additives.

(6) Production monitoring: ensuring consistency of unvulcanized rubber batches.

Standards

(1) GB/T 1232 — Unvulcanized rubber: Determination of Mooney viscosity

(2) GB/T 1233 — Rubber compound: Determination of initial vulcanization characteristics — Mooney viscometer method

(3) HG/T 3242-2017 — Rubber Mooney viscometer

(4) ISO 289 — Unvulcanized rubber: Determination by shear disc viscometer

(5) ISO 667 — Rubber compound: Determination of initial vulcanization characteristics — Mooney viscometer method

Features

(1) Measures key processing property: quantifies rubber viscosity under controlled shear and temperature.

(2) Standard compliant: designed to meet GB/T, HG/T, and ISO requirements for Mooney viscosity testing.

(3) High precision: rotor speed and torque measurement are accurately controlled.

(4) Suitable for quality control and R&D: evaluates unvulcanized rubber and compounds.

(5) Easy data acquisition: torque readings can be displayed on dial or computer.

Technical Parameters

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