bopp plastic tape

bopp plastic tape  Promulgated the "GB / T4852-2002 tack pressure sensitive adhesive tape test method (ball method)" relevant literature for the detection of standard national norms bopp tape tack, specifically describes how to detect sensitive bopp tape the tack. How it works: a ball rolling across the flat on the adhesive tape sticky surface is inclined board, in accordance with the provisions of sticky surface can stick to the maximum length of the ball size, to evaluate the tack size; or to a predetermined size the ball rolled over the inclined grooves, measured at the surface of the adhesive tape sticky roll distance level panel to assess the size of its tack. Apparatus employed in the following figure (1) as follows: the viscous test device at the same time mentioned the size of their bowls of petanque ball numbers and the corresponding nominal diameter as follows (2): the size of their bowls of petanque ball number and the corresponding nominal diameter Three springs in Jinan Stone Co., Ltd. experimental apparatus based on China bopp tape suppliers,    Packing tape manufacturers, www.bopptapemanufacturer.com

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