When high temperature adhesive tape of choose and buy should pay attention to what aspects
first, smell, taste normal manufacturer production of qualified tape is no peculiar smell. If you when to buy tape, found a sour taste, do not buy. Because this kind of tape retention is very poor, especially in low temperature environment, tape is easy to crack, soon loses gum, the tape must be inferior products. The brightness of the second, watching film, touch membrane thickness. In general, inferior adhesive tape products color dark than qualified tape will be many, and hand touch, generally inferior adhesive tape will be more hard, but also because the membrane is thick, the actual number of meters must be reduced. Good adhesive tape film are soft, good tensile properties. So, it is very important to the brightness and the thickness of adhesive tape two indicators, must observe carefully. Third, watch the color of the tape. In general, scotch tape color more white appearance, tape impurity is less, to guarantee the normal adhesiveness, one hundred meters below the tape products have certain transparency can see paper tube. The inferior adhesive tape is usually yellow, surface with irregular white point, also with the hand press have compounding impurities or glue dry. There is no doubt that the making craft of inferior adhesive tape can be very rough, so the color of the tape would be yellow, surface impurities.
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