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Melt Point vs. Titer Point
Posted: April 9, 2007
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The fact that materials have a titer point rather than a distinct melt point can be beneficial to the cosmetic formulator. The range of materials present in a raw material that account for the titer point can have very different properties when applied to the skin. Higher molecular weight esters, for example, can have a greater lubricity on the skin while lower molecular weight esters can improve spreadability. The combination in one product can result in a liquid product that has the lubricity and spreadability. Formulators familiar with these differences will use them wisely in making products.
1. Titer Point Method, www.iic.co.th/products/titer.htm
2. Melting Point Apparatus, http://wulfenite.fandm.edu/labtech/melting.htm
3. Pictures of titer points, www.zenitech.com/documents/GuerbetPresentationforZenitech.pdf
4. Separatory Method, http://orgchem.colorado.edu/hndbksupport/ext/extprocedure.html