To Promote increased use of waste recycling and reuse, this study investigates the weatherability and lightfastness of coatings applied on wastepaper cement fiberboard. Six kinds of commercial coatings, including unsaturated polyester, polyurethane, epoxy resin coatings, and fluorocarbon coatings were examined. The following conclusions can be drawn: 1. Experimental results indicate that the fluorocarbon coating shows the most stable color difference value and gloss variation, and maintains the largest contact angle among the finishes studied, except for the adhesion characteristics of the film. 2. The unsaturated polyester coating has better adhesion, but the gloss of the coated surface showed a remarkable deteriorating trend during the outdoors exposure test. 3. The trend of discoloration and gloss deterioration of white polyurethane and epoxy resin coatings was remarkably greater than for the clear coatings. 4. It was observed from the SEM images of coated surfaces, that clear coatings showed a cracking phenomenon, while white coatings showed roughness and/or check failure.
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