How much commercial purge compound is needed to clean?
Because there are different types of commercial purging compounds: chemical-liquid/solids, concentrates, pre–blends, mechanical — concentrates and ready–to–run, and abrasive type — each has its own formula. Please read the processing instructions that accompany the product. Only by using the compounds as recommended, will you get acceptable results. Dyna–Purge is a mechanical type, non–abrasive purging compound. It is pre–blended so there is no need to mix with your own resin. Because the processor does not need to mix with his resin, the cost per lb. is the cost per lb. — there are no hidden costs!! Dyna–Purge is pre–blended and ready to use. As a rule of thumb, the recommended amount is: • injection molders: 2 lbs per diameter inch of the screw • extruders: 5-10 lbs. per diameter inch of the screw. Cases may vary depending on the following: • The color — some colors are more difficult than others • The type of resin • The viscosity of the resident resin and the viscosity of the follo
