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The reason why the bag making machine is brittle

1, The heat sealing temperature is too high.
2, The pressure is too large.
3, Heat sealing time is too long.
4, The edge of the upper sealer of the bag making machine is too sharp or the coated Teflon is damaged.
5, The silicone rubber at the bottom of the bag making machine is too hard.
6, During the compounding and curing process, a part of the binder penetrates into the interior of the film. The substrate is affected by the penetration of the adhesive, the toughness (impact resistance) is reduced, and the brittleness is improved.
7, After the plastic composite packaging bag is cooled and placed, the heat sealing strength is increased, and there is also a tendency to become brittle.
2019/09/27 13:55:33 691 次


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