Technical Data Sheet - 3M™ Double Coated Tissue Tape 9448A. Download PDF. Ask a 3M expert. English. Last Revision Date: May, 2022; Technical Data Sheet. 3M™ Double Coated Tissue Tape 9448A. Product Description. ... If the 3M product is proved to be defective, the exclusive remedy, at 3M’S option, shall be to refund the purchase price of ...