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.
FR Coverall is a protective garment that is worn during work and produce. The style of structure, color configuration and material selection of the FR Coverall are designed for the purpose of safety first, which is the functional difference between the work FR Coverall and other garments. Furthermore, in the design of labor protection FR Coverall,FR Jackets,FR Shirts,FR Pants. Which safety and protection functions are the first. On this basis, the rationality and comfort of the FR Suit shape should be considered, so that the binding force of the FR Coverall to the human body is reduced to a minimum, thereby improving the work effectiveness.
Fr Coveralls,Fireproof Coverall,Workwear Coverall,Safety Coverall
Xinxiang Xinke Protective Technology Co, Ltd. , https://www.coverallsuits.com