Irregular samples UV aging testing machine can simulate the sun, rain and dew to damage the material, using UV lamp simulate the effect of sunlight, cold rain and dew. Being tested textile materials are placed in a certain environment which the light and moisture are alternating. The Irregular samples materials are tested for several days or weeks, you can know the damage of material at outside for several months or several years, Damage types include: bleaching, discoloration, loss of light, powder, crack, turbidity, bubble-based, embrittlement, strength decline and oxidation.