after you draw your plastic, are you turning the injector upside down at a 45 degree angle(ish), and slowly pushing the plunger until a solid stream of plastic comes out, to purge the air from the injector tube?
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after you draw your plastic, are you turning the injector upside down at a 45 degree angle(ish), and slowly pushing the plunger until a solid stream of plastic comes out, to purge the air from the injector tube?