| 摘要 |
<p>According to the present invention, a foaming agent is mixed into a thermoplastic polymer, and the mixture is injected into a float-forming chamber, in order to provide an excellent improved float for fish farming made of a plastic foam material having a density of 30-45kg/m3, a thermal conductivity of 25-40mW/mK, and an average cell size of 100-200.</p> |
