Proper recycled material mix rate depends on the recycled material quality, using grade
Review method of recycling Proper recycled material mix rate depends on the recycled material quality, using grade, and product's demand characteristics, so cannot be completely defined. Therefore, decision of the limit of the recycled material ratio should be made after sufficient check has been done. Do not mix oil or trash when recycling sprue and runner. Also, molded products made for testing or requirement proposal are not suitable for recycling because the physicality is unsteady. Figure 4-12 indicates the flow chart of the recycling method.
Figure 4-12 Flow chart of recycling method