| 摘要 |
PURPOSE: Provided is an eco-friendly bag-in-drum in which is suitable for putting a high purity chemicals, wherein drum type of bag formed from film produced by using polyethylene resin is inserted into metallic drum. CONSTITUTION: The bag-in-drum is produced by the steps of (i) inflation film molding a polyethylene resin by typical extrusion, so as to form a film; (ii) molding the film into drum type of bag; and (iii) inserting the bag into metallic drum, wherein the polyethylene is extracted in amount of 0.001-1.0 wt% when extracted with boiling n-hexane, and comprises 0.001-0.1 wt% of additives consisting of neutralizer, antioxidant, lightfast stabilizer, and pigment.
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