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The use of color masterbatch and precautions

Categories: Latest NewsStars: 3Stars Visit: - Release time: 2015-08-03 16:27:00
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One.Technology use color masterbatch
1. Using the masterbatch colouring injection products, injection molding machine the best selection of screw type or due to the plasticizing, mixing caused by poor coloring is not uniform.
2 improve the extrusion back pressure, in order to improve the effect of mixing screw, can make the color more evenly dispersed.
3. Solemn, elegant advanced color and Fangci color, color flash must in the premise of mould is bright to show its effects.
4. In the production process, if it is found that the adhesion of masterbatch on the wall of the hopper is the sake of electrostatic, hopper grounding to eliminate static electricity, will not affect the process.
Two, equipment requirements
Application of Color Masterbatch, in mold stiffeners or open space and easy to appear flow confusion caused by dispersed unevenly, the mold design should try to avoid. Compared with extrusion molding and injection molding, the D / L of the extruder screw is bigger, and the back pressure is increased after adding the filter, so it is good to disperse.
Injection molding, injection speed is slow, the higher the back pressure is good. In order to ensure uniformity in color masterbatch, the front end of the screw rod adding static mixer.
Three, the use of Color Masterbatch
1 in strict accordance with the masterbatch enterprises with the proportion of mixture.
2.PET, ABS, PA, PC as the carrier of the color masterbatch, stored for a period of time after moisture absorption, drying before use should be.
3 Color Masterbatch, need professional guidance, change color and color would otherwise occur.
4 color and other additives will have a reaction, use caution.

 

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Keywords in the article: color masterbatch