从原料、配方、设备、工艺方面提出生产优质PVC U异型材模塑料的方法，及模塑料的质量检测方法。
Proper production and quality testing of moulding materials for PVCU profile is discussed with respects to its raw materials, formula, equipment and technology.
塑料异型材挤出模是塑料异型材生产的关键技术设备之一，直接决定着型材制品的质量和生产周期。
The extrusion die for plastic profile is the key equipment of its production, and has a great effect on the quality and the production circle.
挤出成型是塑料加工的主要方法之一，而挤出模具又是成型塑料异型材的主要设备。
Extrusion is one of the main methods of plastic product and extrusion die is the important equipment to manufacture plastic profile.
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