Thermal Analysis

Thermogravimetric Analysis (TGA)

Continuously monitors the weight of a sample during isothermal or dynamic temperature scans over the range from 30° to 1000°C in an air, nitrogen, oxygen, or specialty atmosphere.

Applications:

• Thermal stability
• Compositional analysis
• Filler content
• Sample preparation
• Comparative analysis
• Specification testing
• Competitor Product Analysis

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Above: Thermogravimetric analysis of a EPDM rubber compound showing the level of oil, polymer, carbon black, and mineral filler.

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Work We've Done

Rubber Seals

A client requested analysis to identify the reason for differing performance of two EPDM rubber seals that were supposed to be of the same composition.

Durometer testing indicated that the two seals had different hardness's and thermogravimetric analysis showed that there were different amounts of both oil and filler in the materials indicating significantly different compound formulations for the two seal materials.