How To Predict Die Swell in Rubber Compounds using a Premier® RPA
Author Li Wan Application Engineer, China Does This Die Make Me Look Bloated? Rubber compounds are viscoelastic materials that are subject to die …
Part 1: FT Rheology via Large Amplitude Oscillatory Shear (LAOS) – a five part series
Michele Scacchi Alpha Technologies Optimizing your Mixing Process Using LAOS Filler dispersion can affect many compound properties including strength, rebound …
Finding Balance: Measure Cure & Blowing Reactions Using an RPA
Whether you are extruding or injection molding, the production of foaming or blowing compounds can be a tricky business. An optimal test for the proper blow-cure balance of a sponge rubber compound must measure both reactions and viscosity precisely.
Alpha’s Premier Rubber Process Analyzer (RPA) has been readily accepted by the rubber industry for routine testing of rubber compounds. By adding a standard torque and pressure 2-in-1 transducer on the upper die, you are able to measure the torque as well as the cavity pressure simultaneously.
In this post, we’ll show you how to measure cure & blowing reactions.
How To Control Die Swell in Rubber Compounds using a Premier® RPA
Author Li Wan Application Engineer, China Well, That’s Just Swell As we covered in Part 1 of this blog, die swell (also called …
A Faster Test for Key Tire Performance Predictors

Author Alpha Technologies So, there’s good news, then bad news, but then good news, again. The good news is you’re thinking of getting …
What is Large Amplitude Oscillatory Shear (LAOS)
Michele Scacchi Applications Engineer, Europe In this five part series, our applications engineer, Michele Scacchi, outlines why …
Part 2: Tracking the Progress of Filler Dispersion (LAOS)
Michele Scacchi Alpha Technologies Tracking the progress of filler dispersion – Examples of LAOS Experiments ICYMI – Recap for people who go right …
The Importance of Barrier Film When Using a Rubber Process Analyzer.

Author Simon Wan Using the right film results in consistent, useable data and extends the life of your rubber process analyzer (RPA). During …
ASTM D8059 and Premier RPA- Get the Data You Need

Author Dilip Dhupia Application Engineer, India Dispersion of fillers is crucial and often a challenge for rubber processors. Measuring the Payne effect of …