General Purpose Masking Tape
General purpose masking tape is used for light duty bundling, holding items in place, and for flagging and marking. General purpose masking tape consists of a crepe paper backing and a rubber based adhesive system. The thickness and strength of the paper may vary, and the adhesive may have different properties as well. So, there are many types and grades of "general purpose" masking tape.
High Temperature Masking Tape
Masking tape is used extensively in painting applications where heat is needed. High temperature masking tapes provide excellent bonding to surfaces during paint application with oven drying requirements in excess of 250 degrees Fahrenheit. Some paint applications require such high temperature resistance that the backing of the masking tape may in fact be polyimide film, not paper