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The Relaxation Times Blog

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.

Press Release
Premier RPA Die and sub-zero technology image

Alpha Technologies revolutionizes the RPA testing market with new Sub-Zero™ Technology

Author Alpha Technologies Alpha Technologies, the leader in rubber rheology testing, has released a new technology that solidifies their instrument’s reputation as the most versatile in the market. By extending their industry-leading Premier™ RPA to include Sub-Zero™ Technology, Alpha Technologies is giving tire manufacturers a more efficient, accurate way to perform compound testing throughout a […]