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In one step

Ningbo Wanma Plastics Co.,Ltd | Updated: Mar 14, 2016

One-step rotational foaming molding directly with conventional rotational molding equipment, without the need for additional equipment, the production process is relatively simple. Compared with conventional rotational molding equipment, one-step rotationally molded foam equipment without the need for a large reconstruction, but for its heating and cooling temperature control system has put forward higher requirements. Require precision control of temperature and high heat transfer efficiency. At present, due to one-step rotational foaming molding technology in equipment, processes and products has obvious advantages in terms of quality, rapid development in recent years, will be the most important, most development and application prospect of rotational foaming molding technology. In order to obtain compact non-foam shell and foam core, the current one-step molded foam roller is the use of foam resins and non-foamed resin density, heat capacity of different production, particle size distribution characteristics of different products.

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