Is it better not to clean high friction pimples-in rubbers with cleaner?

Butterfly's high friction pimples-in rubbers can be cleaned with the same cleaner used for other rubbers. The cleaner will not affect the rubber's performance, so feel free to use it whenever it gets dirty.
Care of pimples-in rubbers
For Dignics 09C and Glayzer 09C, we recommend using the included adhesive film or Adhesive Rubber Protect Film IV to protect the surface.