Due to continued increases in the costs of raw materials and volatility in the supply chain, Sun Chemical will raise prices globally on all packaging inks for all printing methods and chemistries on Dec. 1, 2011. The price increases will vary as different products that Sun Chemical offers have a different chemical composition, but the average cost increase will be approximately 6 percent for most products. White inks, nitrocellulose varnish, and other products containing the phthalocyanine...