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Our Story

Roper Thermals is the oldest operating PCM manufacturer in North America. We have spent nearly 30 years refining our production of technical grade and 99% paraffin waxes and oils.

At Roper Thermals, we pride ourselves on quality, customer service, and fair pricing. No matter the volume of your order, rest assured that your American made product has undergone rigorous quality inspections including gas chromatography and differential scanning calorimetry.


In addition to our full line of high-purity and technical grade paraffinic PCMs, our team can work with you to create custom products to meet your exact melting/freezing point requirements. Contact us today to learn more.

Roper Thermals History
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