Tool requirement:4.1.1 Knife as below Figure 6.1.14.1.2 3M Scotch Brand No. 600 tape4.2 Test step:4.2.1 Knife cutting 1*1mm 100 boxes on the product, see Figure 6.2.14.2.2 Slowly pull an additional 3 inches of tape from the roll.4.2.3 Adhere the 3 inches of tape to the 100 boxes4.2.4 Remove air pockets by rubbing the tape with your finger.4.2.4 Wait 60 ~ 90 seconds.4.2.5 Grab the folded corner and pull tape away as close as possible to a 180 angle.4.3 Failure criteria: no peel off found