The color changes in the dark! Here’s an introduction to why it takes on a yellowish hue even though it’s unopened.
Dark storage yellowing refers to the discoloration that occurs when using ABS that has been stored unopened for a long time. When comparing ABS colored products produced immediately after manufacturing with those that have been stored unopened for two years, the white ones showed a yellowish discoloration after two years. This phenomenon was also observed in other colored products, such as light blue. In relation to this phenomenon, we suggest that colored materials be used as soon as possible and that long-term storage be avoided. **Causes of Dark Storage Yellowing** - The B (butadiene rubber) in ABS deteriorates and discolors to yellow over time. - Additives contained in ABS (antioxidants, flame retardants) can cause the material to undergo chemical changes and yellow when stored in the dark for extended periods. *For more details, please refer to the PDF document or feel free to contact us.*
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Our company has been supplying raw materials to the industry as a specialized trading company for plastic molding materials for many years. In particular, for high-performance resin materials, we established our own factory aiming for stable quality and provide our customers with consistent raw materials. We are primarily committed to the effective utilization of plastic waste, and the reuse of high-performance resins is facilitated by modifying and strengthening their properties at our own factory, contributing to the effective use of resources.