The advantages of opaque plastic injection buttons
The opaque plastic injection button is often the color of the pigment that is directly mixed into the resin and injected into a button of various colors. When the volume of the button is large and the color is determined before production, the method of premixing the coloring of the pigment is often used.
The advantage of using this method is that relatively inexpensive plastics can be selected to reduce costs and facilitate injection molding. Commonly used plastics for pigmented plastic buttons include polypropylene and ABS.
The main advantage of using polypropylene plastic is that it is low in price, low in mold requirements, good in injection molding technology, and excellent in corrosion resistance of injection molded products (almost resistant to most organic solvents and acid and alkali corrosion). Good mechanical properties. In addition to polypropylene, ABS is also often used to produce colored plastic buttons, but ABS is more expensive than polypropylene and inferior in organic solvent resistance than polypropylene. In general, the overall performance of ABS color buttons is not as good as that of polyethylene, so it is not widely used.
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