Polypropylene has good molding processability and many methods of molding, such as injection molding, blow molding, vacuum thermoforming, coating, rotational molding, welding, machining, electroplating and foaming, and can be sprayed on the metal surface. Among them, the proportion of injection molding is large, the injection temperature is between 180~200°C, the injection pressure is 68.6~137.2MPa, and the mold temperature is 40~60°C. The pre-drying temperature is about 80°C. Should avoid PP contact with the metal wall for a long time.
The secondary processing of polypropylene is very good, its printability is better than that of polyethylene, and the printing methods such as photo-engraving, offset printing, and plano-gravure can all be used. It is necessary to obtain good printing performance such as heat resistance, oil resistance, and water resistance. , subject to corona discharge treatment and other reprint.
Xinke Protective cotton flame resistant fabric has good breath ability and wicking properties, soft and comfortable. This is a characteristic of all-cotton materials, which allows us to develop a more comfortable feel while developing flame retardant functions. Of course, other materials fabrics have their own characteristics, such as cotton polyester fr fabric, cotton nylon fr fabric, arimid fabric, modacrylic fabric etc. If you are interested, you can find their related introductions in other categories.
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