Waxes & waxy products

Although they have been used for a long time for many applications (candles, lip balms, depilatory waxes, care products, lubricants, ski wax, etc. -see the wikipedia article), waxes and their use in complex formulas are still industrial challenges.

Indeed, waxes have the particularity of passing from a solid phase to a complex fluid type phase (sometimes presenting polymorphisms) depending on the temperature, which give the formulations texture and thermal behavior properties that must be carefully controlled. to guarantee reliable processing and suitable properties of the finished product.

The sensitivity of waxy products

In practice, the manufacture of products containing waxes often raises questions of homogeneity of setting and/or mechanical strength. The usual tests, carried out on the finished product, are often applicative, and no information is accessible on the influence of the process conditions on the final state.

Thus, the approaches to formulation, industrialization or problem solving in production are essentially based on the experience of the teams and the often unsatisfactory trial-and-error approaches.

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