ũ ȸ簡 ϴ ǥ 귣 ǰ̸鼭 ȸ ̸̱ ϴ. ̿ ְ 2 ӹٰ Ʈָ OBָ ܹ ʶ߸鼭 ȸ ̸ ƿ Ʈַ ٲ ϴٰ ִ.
ũ (wrap) ڴ ȸ ̸ ŲٷΡ ǰ . ŭ ǰ ȸ ڽŰ Ÿ ʶ ִ. (wrap) ״ , ż ϴ Ḧ ǹѴ. ũ ̷ 뵵 νĵǰ ŭ 忡 75% ִ.
ũ Ĺڴ. ó ȸ簡 1981 12 ϰ ־. ô ϰ ִ ұ ˾Ƽ ذ ϴ 翬 ô뿴.
ũ ºμ ῴ. ũ랲 PVC ϴ ǰ PE(ƿ) ߴ. PE ߿ ʷ LLDPE( е ƿ) ߴµ PE پ 50% ̻ ٰ Ѵ. ü ˵Ǵ ǰ ϴ ؼ â ȸ ִ. LLDPE Ӹ ƴ϶ ̱, Ϻ, ȣ, ߱ 5 ÿ Ư㸦 ߰, ̱ FDA α 鼭 ǰ ȭ ΰ״.
ż ũ ȭ ǰ Һڵ鿡 ΰǸ鼭 ũ ־. ̴ ũԴ ־. ũ ǰ Ӹ ƴ϶ Ÿ ָӴϵ ϴ 尩 κ 70% ġ ִ. Ը.
ұϰ ũ 2005 440 Ұϴ. Ը 1,000 ä Ǵ 700~800 ǰ ִ. ۳ 600 ϰ ִ. 2002 37 ݻ¿ PEݻ ϱ ߴ.
̿ 9~10% ϴ ͷ 2004 6% ߴ. Ը ұϰ Ȯ ݻº ǰݿ ̽Ű ʾҴ. 2005 Ͱ ͱ ū ϶ 繫 Ⱦ 21 ݿ߱ ̴. ۳ ּ 20 ȴ.
ᱹ ߰ ũ ̴߱. 1993 ߱ 縦 ߰, 5 ̿ ̸. ũ ߱ Ȯ .
Ϲ ߱ 鿡 Ϳ ġ ʾҰ, ⸧ Ƣ κ ݸ鿡 Ļ Ŀ ʰ 䰡 ʾұ ̴. ҵ Ǹ鼭 Ŀ ɼ ڸ ߴ. ũ ߿ ߱忡 ʷ µ ̴ ݰ ȭ߱ ̴.
߱忡 ũ ǰ ̱ ǰ 20% ΰ, 븸 ǰٴ 40%, ߱ǰ 50~70% ΰ åߴ. LLDPE FDA ǰ̶ ǰ ڽŰ ֱ ̴. Ÿٵ ߱ ü Һ 5~10% ҵ Һڷ ұ ̷ ȿϴٰ Ǵ߰, ε . ȭ . ܻŷ Ϲȭ ߱忡 θ忡 Ǹſ ϴ ߴ. ũ ̻Ӹ ƴ϶ ¡, ÿ Ҹ ߰, ̸ ߽ ߱ 30 ÿ Źŷó Ȯߴ. 븮 ǸŴ ߱ 븮 ݰŷ ȹ̴.
ũ ߱ رظҷѰ 2005 28 ߴ. ū Ը ƴ ũ 1 й ָϰ Ѵ. ǰ ø ߱忡 ۳ 12 ս ´. ߱忡 װ Ը 鿡 ϰ ִٴ λ̴.
߱忡 ũ ȴ.
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