A Guide to Problem Solving - The Application of Interior Wood Coatings Home/Group/English/DOWNLOADS/Problem Solving Guide Marring of Film Coating film scuffed and scratched due to not being fully cured. Cause Preventative Action Coating film not completely dry. Do not handle or stack coated articles until the recommended drying time has elapsed as per the instructions on the relevant product data sheet. Incorrect mixing ratio used Part A (Base) & Part B (Hardener) in two pack coating. Strictly measure by volume the two individual components. Measuring and mixing instructions as detailed on the relevant product data sheet must be followed. All components must be measured by volume, requiring the use of measuring cups or a measuring stick and a parallel sided mixing container to achieve accurate measurements. Incorrect catalyst used in two component coating. Mix MIROBILD AC coatings as per the instructions on the relevant product data sheet. Cold temperatures or high humidity inhibiting cure and hardness. Ensure all Mirotone coatings are applied at above 10ºC ambient temperature and with humidity conditions less than 70%. Back to Problem Solving Guide Disclaimer: The recommendations above are based on data from Mirotone’s own research and information from others whose work we believe to be reliable. Due to possible differences in actual application methods and conditions, users must satisfy themselves that the end result meets their requirements.