Essentials 12
The best cleaning product for acrylic / polycarbonate is the one recommended by the manufacturer and available from Signtech.
Alternatively, use a sponge or clean cloth with lukewarm water and a small amount of washing up liquid. Use a clean cloth to wipe it off.
Do not use kitchen or bathroom sprays with bleach or solvent-based cleaners such as polish, as they could mark and possibly damage the acrylic.