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Use of Recycled Material
5. Use of Recycled Material
Fig. 5-1 shows the change of properties after repeating 100% recyclings. Each property undergo little change. However, attention should be paid to gradual discoloration.
Matters requiring attention during recycling:
- Avoid contamination: Dust and foreign matter may lead to breakage of the molding.
- Eliminate large particles: Problems may occur in plasticization.
- Elimination of powder produced in crushing is recommended: Eccentric deposition of the powder may cause problems in plasticization.
Fig. 5-1 Number of recyclings and properties