Lycus Ltd. provided MAXGARD® 300 is an effective light stabilizer for protecting plastics and coatings from damaging UV radiation. It is effective in increasing the light fastness of dyes on both polyester window film and polyester fabrics. It is especially useful for decreasing the UV transmittance of polyester window film. Applications include polyester film, inks and wood coatings. Typical concentration levels range from 0.3% to 1.0%. When formulated in coatings the concentration level is based on resin solids.