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P.A.T. Products makes their documentation available in the regions indicated below:

H-TEMPO (aka 4HT, Hydroxy Tempo) is used as a stabilizer for countering oxidation and/or the polymerization of unsaturated compounds such as acrylic acid, butadiene, styrene, etc. H-TEMPO is also used as a shortstopper for radical polymerization processes, e. g. in the manufacture of oligoester acrylates. Stocked in the US in 55 lb drums.


P.A.T. Products is a distributor of a wide range of specialty chemicals, plastics, and raw materials. They combine high quality products, excellent technical support, and superior logistical and customer service in order to satisfy their customers. The company operates in many industries, including adhesives and sealants, inks, coatings, composites, industrial chemicals, and more.

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