Beginning Jan. 1, 2019, or as customer contracts allow, Omya will increase the price of its calcium carbonate products 7-9% in the U.S. and Canada.    Omya has been facing significant cost pressures from escalating raw material, chemical, energy, transportation costs and overall inflation across all regions in 2018; This is expected to continue.   Omya is dedicated to continually increasing investments in production capabilities, supply chain efficiencies, productivity improvements, expense cont...