Non-Yellowing Flattening Paste is a HAPS Free, formaldehyde free, very efficient flattening paste for use in M.L. Campbell post-catalyzed, pre-catalyzed, nitrocellulose, and some Euro topcoats. Non-Yellowing Flattening Paste has easy stir in and soft settling properties. To use, it is recommended that you add the flattening paste before tinting and or/catalyzing. Stir Non-Yellowing Flattening Paste into the lacquer until well dispersed, for best results, use in the finish coat and shake be fore use. It is not recommended that you drop sheen more than 1 sheen level, ex. Gloss to Dull is not recommended. Please refer to the M.L. Campbell Gloss Reduction Chart for required percentages.