PC plastic is a more common plastic in injection molding. Many plastic parts are made by injection molding. PC plastic has been recognized by the market for its excellent performance.

First, the performance of PC plastic introduction

PC material has high strength, good transparency, low shrinkage, good processing performance and other characteristics, is widely used in the electronic and electrical industry and industrial parts field.

Second, PC plastic process characteristics

PC process characteristics are: melt viscosity of the shear rate of sensitivity is small, but the sensitivity of the temperature is large, there is no obvious melting point, the melt viscosity is high, high temperature resin is easy to hydrolyse, products are easy to crack.

Third, PC plastic injection moulding process

For these characteristics of PC plastic, we should pay special attention to the difference: to increase the fluidity of the melt, not by increasing the injection pressure and should be used to increase the injection temperature to achieve. Requirements for the mould runners, gates short and thick, in order to reduce the pressure loss of the fluid, at the same time to higher injection pressure.

Resin in the moulding process before the need for adequate drying treatment, so that its moisture content is controlled at 0.02% or less, in addition, in the process of the resin should also take thermal insulation measures, in order to prevent the re-absorption of moisture.

Not only need reasonable product design, should also correctly grasp the moulding process, such as improve the mould temperature, the product after treatment can reduce or eliminate internal stress. Depending on the different conditions of the product in time to correct the process parameters.

PC plastic in the injection moulding process, the operator needs to be familiar with the characteristics of the plastic itself to master, in order to injection moulding into the quality of qualified injection moulded products.