Listing ID #3550156
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Contact SupplierMooney Viscometer is a shearing disk viscometer, designed for accurate measurement of viscocity, scorch time and cure rates of the elastomers.
The instrument consists of flat, cylindrical disk, driven by a motor to rotate slowly and continuously in one direction. This disk is embedded into elastomer specimen which is confiend in a heated die cavity maintained at specified temprature and kept closed by a specified force. As the disk rotates its experiences a shear strain. This resistance to rotates offered by the elastomer is shearing viscosity which is proportional to mean absolute viscosity of the specimen.
Normally a preheat period is given to the elastomer following which the disk starts to rotate. A initial high viscosity is recorded and then as the viscosity also decreases, to a minimum value Viscosity obtained with large rotor are approximately twice those of small rotor.