About cleaning
Because of the nature of acrylic, drug resistance such as alcohol is low
Do not use alcohol solvents, etc. when cleaning. It may cause cracks and warpage.
Also, please be careful that it may be damaged by the nature of acrylic when it is dropped or excessive shock impact.
When wiping the dirt, use a soft cloth in a dripping water with 1 to 2 drops of a neutral detergent and wipe it hard to strip.
About warped
Depending on the humidity and the utilization environment, the nature of the acrylic is on.
When storing without installation, keep it in a box with a desiccant etc. and keep it in a state of being heavy on the acrylith.