A Specialty Minerals Inc. (SMI) precipitated calcium carbonate (PCC) strategy makes a thriving venture even more profitable. The proper size and shape of a PCC mineral particle will improve and extend the furnish coming onto the wire. The trade-offs between fiber-to-fiber bonding, whiteness, and improved wet-end stability are neutralized. Wet-end retention is improved, and because less bleach is required, the anionic trash carried over from the bleach plant is sharply reduced. Dry strength is stabilized and web breaks are also reduced. Improved bulking contributes to improved tension control and faster speeds through the dryer section and coater and onto the parent roll. PCC’s higher coefficient of friction improves winding accuracy and reduces sheet slippage through your customers’ sheeter, laminator or gluer. The end result is improved runnability. That, and product quality, are top priorities in your mill and with your customers. These are all reasons why the right minerals strategy matters.
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M2™ is a trademark and MINERALS MATTER® is a registered trademark of Minerals Technologies Inc. or its subsidiaries.
