MG Chemicals offers 3D printing high temperature masking tapes and polyimide tapes to assist adhering the printed object to the print bed to help achieve the best possible results in synthesizing three-dimensional objects via FDM (fused deposition modeling) technology. Our Masking tape and Polyimide tape comes in 4in. and 8 in. widths on 49ft rolls. MG Chemicals high temperature masking tape is made of 8 mils thick beige crepe paper coated with a rubber adhesive designed for 3D printer heated beds. It is specifically designed to be heat resistant and provide superior print adhesion while allowing easy removal of completed objects. It also provides protection for the bed, while making clean up simple. It works excellent with PLA, Wood, PETG, and many other 3D printing materials. It is available in 4 in. and 8 in. on 49 ft rolls Features: Low thickness variation Strong heat resistant rubber adhesive Superior print adhesion Easy object removal Protection for 3D printer bed 4 or 8 width 8.