| 摘要 |
PURPOSE: A packaging material maintaining the freshness of grapes for a long time is provided to protect the grapes from foreign materials and the moisture. CONSTITUTION: A packaging material maintaining the freshness of grapes for a long time comprises a film unit(20) formed with a synthetic resin material, including plural pores(21) passing through oxygen and carbon dioxide and blocking the moisture. The transmittance of the oxygen through the pores is 20,000-40,000cc/square meter/24h, and the diameter of the pores is 10-80 micrometers. The packaging material additionally includes a distributing object filling space(10) with an opening on one side for inserting distributing objects. |
