On Saturday, January 12, 2019 at 4:11:35 PM UTC-8, wrote:


Determine which side the transfer tape released from an you will know which side was not prepped right.

What UH said is important. If the double sided tape failed on the Mylar side, you can improve the bond to the double sided tape by roughing the surface of the Mylar. Use masking tape to protect the half that is not to be bonded and then give the surface some tooth with abrasive paper.

It's important to press the Mylar down firmly onto the adhesive. A ball bearing mounted in a notched wood handle makes a good roller. After rolling down, position control surface so it's not trying to lift Mylar. Full strength is gained over about a day with most tapes.

bumper