2 ULTRAVIOLET RADIATION IRRADIATE FOR 168 HOURS, MOVE THE SAMPLES OUT AND PUT THEM IN THE CONDITION OF 23℃±2℃ FOR 1 WEEK, THEN CLEAN THE GLASS SURFACE.
2 ULTRAVIOLET RADIATION IRRADIATE FOR 168 HOURS, MOVE THE SAMPLES OUT AND PUT THEM IN THE CONDITION OF 23℃±2℃ FOR 1 WEEK, THEN CLEAN THE GLASS SURFACE.
3按照6.2观察试样的内表面有无雾状、油状或其他污物，玻璃是否有明显错位、胶条有无蠕变。