Polyolefin CatalysisHigh performance silica catalysts & supports designed to give exceptional performance within the polyolefin market PQ is a key global supplier of chrome-on-silica catalysts, widely used in the polymerization of ethylene into polyethylene.In addition to chrome-on-silica, PQ also offers modified chromium catalysts containing aluminium, titanium and other elements to provide performance enhancements needed for certain end uses, such as reduced induction time and increased activity, melt flow index and ESCR. With a long manufacturing history in polyolefin catalysis, PQ prides itself on being a reliable manufacturer that offers consistently high quality products and continuously works with customers in the development of innovative polymer grades. Custom ProductsCan't find what you're looking for? Our engineers can work with you to customize our products to fit your specific needs!Contact Customer Service