COLUMBIA CITY, Ind.—MonTech Rubber Testing Instruments, a firm that designs and sells tight threshold rubber lab and testing instruments, is showcasing two new options for its rubber process analyzers, rheometers and Mooney viscometers at this year's virtual International Elastomer Conference.
The Midwest team of rheologists, application managers and software and service engineers has designed a low viscosity torque transducer option for all its MonTech RPAs, moving die rheometers and Mooney viscometers, as well as a chiller option that increases the low temperature range for RPA testing. The chiller option is offered for specific MonTech MDRs.
The torque transducers—there is a low viscosity and ultra-low viscosity option—offer a microscopic range of torque pressures to apply to elastomers during testing.
The low viscosity option offers a .0001dNm to 52dNm range and can be used for testing low viscosity silicone, medical tubing, latex, TPE and TPVS.
The ultra-low viscosity torque transducer has a torque range of .0001dNm to 21dNm and can be used to test extremely low viscosity materials such as tire sealants, glues, adhesives and low viscosity silicones.
Traditionally, RPAs are used to perfect compound processability, verify rubber raw materials, problem solve and simulate end-use conditions. They are becoming more widely used today, according to MonTech.
Rheometers are used to measure the change in flow characteristics under an applied stress, and viscometers can measure Mooney viscosity, scorch and stress relaxation data.