Mooney Viscometer vs. RPA: What to Keep, What to Move
Can an RPA replace your Mooney viscometer? Straight answers on correlation, CoAs, filled compounds, natural rubber and standards.
November 3, 2026
Can an RPA replace your Mooney viscometer? Straight answers on correlation, CoAs, filled compounds, natural rubber and standards.
The hidden high cost of testing materials under the wrong conditions Your rheometer data says the resin flows at 80 °C. Your molding press …
Why reference-temperature data doesn’t predict process behavior Your rheometer reports gel time at 160 °C isothermal hold: 8 minutes. Your molding press uses a …
Organizations around the world use the Premier RPA for research into product innovations that improve quality and promote sustainability. Here are examples of …
Polymer scientists and product engineers have long relied on standard techniques like Differential Scanning Calorimetry (DSC) and Dynamic Mechanical Analysis (DMA) to pinpoint …
When working with polypropylene (PP), small adjustments to chemistry can shift thermal behavior dramatically. Engineers and formulators need to know exactly how ethylene …
In most labs, developing a full thermal and rheological profile for polypropylene (PP) samples means coordinating between three instruments, multiple operators, and a …
Fillers can serve a wide range of functions within a polymer compound. A filler may improve performance characteristics, such as strength or durability, …
Heat generation is inevitable for any rubber product or material that experiences cyclic loading while in service. This includes tires, industrial belts, and …
A brief guide to bound rubber Bound rubber is the result of interactions between polymer chains and fillers, such as carbon black or …