| 摘要 |
PURPOSE: A foil is orientated mono axially, which has increased intensity, improved optical property, and barrier effect. CONSTITUTION: A foil with a mono axial orientation substantially consists of one or several polymers which are biologically degradable and compostable, as well as maximum 5 % by weight nucleating agents, maximum 5 % by weight common stabilizers and neutralizers, maximum 5 % by weight common internal lubricants and parting agents and maximum 5 % by weight common anti griping agents.
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