CMC HEC department Since 1956 Phrikolat Carboxymethylcellulose is a worldwide well known CMC product.At Phrikolat you can receive various cellulose derivates as well as related thickeners like Xanthan Gum, Guar Gum,etc. CMC Carboxymethylcellulose HEC Hydroxyethylcellulose Xanthan Gum Guar Gum