SPECIFICLLDPE resist acid and alkali,Website:http://www.wanma-roto.com, tough and durable, can work under very low temperature. Food grade raw materials even can be touched with food directly. Moreover, the cost of rotational molding is lower than blow molding and injection molding. It will save 1/4 even 1/3 cost, considering making the same size product. Rotational molding is suitable for molding large plastic product.