I am sure that you are using 3M's tape and their tapes are really amazing! You can try this long-lasting 3M Duct Tape for free. To request a sample of this product all you have to do is click the 'Get Sample', complete the form, and submit. Please note that they will be needing your company name.
3M Duct Tape is an outdoor, UV-tolerant duct tape that maintains versatile performance when exposed to the elements. It can easily stick and stays up for up to one year without deterioration.