... and damp resistance testthe GB/T17740-79(89),1000 hours Without air bubbles, loses the light slightlyAcid resistance10% CH3COOH ... , 240 hours Without air bubbles, the surface without damage Alkali resistance10% NaOH, 240 hoursWithout ... soaked in solvent-freeWithout air bubbles, the surface without damageuvioresistantQUV-313,500 hoursGloss higher than 80% lower ...