by Bruce J. Crispin, DDS, MS

Having trouble with unset impression material?  Vinyl polysiloxane (VPS) or addition reaction silicone impression materials are very popular because of their accuracy and stability.  Incomplete polymerization is a problem.  Sulfur containing zinc diethyl dithiocarbamate is used during latex glove fabrication as a preservative and vulcanizing accelerator.


Click here to read this article