| 摘要 |
The present invention relates to a freshness-retaining agent and plastic products containing the retaining agent. The freshness-retaining agent comprises 70 to 75 wt% of diatomite, 15 to 20 wt% of pegmatite, and 3 to 5 wt% of a mixture, wherein the mixture comprises diatomite for additionally mixing, anti-bacterial silver (Ag) and anti-bacterial zinc (Zn). |
