退料膠圈主要用於分剪作業時防止料帶捲入刀膜中，讓成品料帶藉由膠圈帶動力平整推出刀膜的刀具輔件，本公司採用耐油耐磨橡膠(PU)製造而成。
The material selected for material-rejecting plastic rings is the oil-resisting rubber or PU. The material-rejecting is a knife-accessory applied to prevent the cut strip rolls into the disc knife.On the objective of pushing the finished strip off the knife film smoothly.
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