Extrusion & Post
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Rubber Migration/Bleeding of acrylonitrile-butadiene-styrene copolymer HIPS Products
Sorun Belirtisi
Rubber migration or bleeding appears on the surface of HIPS products, the surface is sticky or discolored, affecting the product appearance and printing performance.
Neden Analizi
（1）The rubber content is too high or the compatibility with the base material is poor
（2）The processing temperature is too high, and the rubber partially degrades and migrates
（3）The product storage temperature is high, accelerating rubber migration
（4）The rubber particle size is too large, making migration easy
（5）Additives interact with the rubber to promote migration
Çözüm
（1）Select a grade with suitable rubber content and compatibility
（2）Control the processing temperature within the 220-260°C range
（3）The product storage temperature does not exceed 40°C
（4）Select a grade with a small rubber particle size
（5）Reduce additives that may interact with the rubber
Temel Çıkarım
HIPS rubber bleeding is caused by compatibility and temperature.
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