ColourTone Masterbatch Ltd. has helped develop a PVC masterbatch that makes it easier to add color to rigid vinyls.
Conventional rigid PVC masterbatches have had problems with compatibility and homogeneity that affect physical properties, according to the Bedwas, Wales, company. ColourTone's new masterbatch is easily dispersed at dosages of 1-2 percent in filled or unfilled rigid vinyls.
The firm claims the product can help reduce inventories by making colorization more flexible. The masterbatch also works with flexible vinyls.
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