First, my monthly reminder: There are no toxic plastics, none of them. When you meet anyone who thinks otherwise, try to find out why. Ask for statistics, toxicity data and their sources. You probably won’t get any, or they will be selective or come from questionable sources. Anything you think is really significant, please let me know.
Now, to extrusion. How much do you love me? My favorite answer to this often-serious question is, “11 on a scale of 10.” That may make the asker feel more secure, but doesn’t get to the heart of the matter. Some things can’t be easily quantified. Love is one of them; the value of a used extrusion line is another.
Sometimes I get asked to estimate value or capacity, or both, perhaps for legal purposes or by someone wanting to sell or buy a used line. My easy answer to a buyer is to invoke the rule of thirds.