Economic effects Operational effects © 2015 Praxair S. T. Technology, Inc. All rights reserved. P-40-4104 CASE STUDY Put Tungsten Carbide on the Calender Plastics • Improves scratch resistance over chrome plating for quicker cleaning • More than triples roll service life, reducing downtime lost to refinishing or rechroming Tungsten carbide coating lasts 3 times longer than chrome plating on calender rolls • Maintains high-quality product,

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