Adding corn cob purple (20 (w / W). Can produce plastic packaging molded with biological properties as follows 1.5x10-4 M / m2.mmHg.day 18.02 0.33 MPa, edge, edge, 29.42 0.05 ͦ C 145.84 edge, 0.30 ͦ C respectively and biodegradable hundred? 34.97 edge 1.1 time 10 week.
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