Crompton: New stabilizers improve PVC window profile extrusion

A new line of organotin stabilizers that are said to significantly increase throughput of extruded PVC window profiles has been introduced by Crompton Corp., USA. The Mark High- Speed window-profile stabilizers are said to allow for very high output with smooth flow through the extruder die and calibrator. These stabilizers virtually eliminate binding (chatter) within the calibrator, Crompton says. They reportedly are 15% to 20% more efficient than standard organotin, resulting in better performance and significant cost savings. They are also said to provide exceptional color stability and excellent outdoor weathering properties.

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