Kinko brand polyolefin defoamer masterbatch is a new type of functional masterbatch developed and researched for solving the problem of blisters in plastic products, also known as plastic defoamer, plastic desiccant, plastic moisture absorbing masterbatch, etc., which is the first technology in China. The masterbatch is mainly developed by using high quality calcium oxide and polyolefin resin as the carrier and advanced melt blending modification technology. It can be molded and processed by appropriate amount of addition and simple mixing, which not only eliminates water in plastic formula, but also enhances the denseness and glossiness of the products, improves the physical and mechanical properties of the products and the production efficiency, reduces energy consumption and other advantages.