PLASTICIZER ADDS

When you add a plasticizer to your PVC, why not get one that also improves thermal stability? For example, in non-fogging application, you get low volatility and you clamp down on migration problems when you use esters de­rived from DuPont's pyromellitic acid(PMA). Volatility is below that of dioctyl phthalate.

Good electrical properties are character­istic of PMA esters. In electrical grade PVC compositions, tetra-2-ethylhexyl pyromellitate gives improved volume

RESISTANCE TO VINYLS

resistivity, brittle point and thermal aging. Absence of color and easy processing are addi­tional reasons why you will want to investi­gate such plasticizers. Try test samples of several esters in your vinyl formulation. For details, please write DuPont, Explosives Department, 2446 Nemours Building, Wilmington 98, Delaware.

PMA&PMDA BETTER THINGS FOR BETTER LIVING.. .THROUGH CHEMISTRY

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HEAT