Chlorinated polyvinyl chloride (CPVC) is a thermoplastic polymer derived from polyvinyl chloride (PVC). It offers improved corrosion and thermal resistance relative to PVC, and exhibits flame retardant properties. Recently, we were asked by a client to provide correlative data in characterizing the thermal conductivity of the material via C-Therm’s Modified Transient Plane Source (MTPS) method with traditional ASTM C-177 (guarded hot plate) test data. Motivating our client’s interest is the understanding that while C-177 is a well-trusted method for measuring thermal conductivity – its sample restrictions and long test times make it challenging to work with. Comparatively, the MTPS’ one-sided convenient interface offers greater flexibility and they wish to understand the correlation between the methods.
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