-> > I happen to have intimate knowledge of what goes on in plastic
-> manufacturing
-> > plants and plastic molding facilities. The _raw_ plastics are
-> excellent.
-> > However,
-> > there are many plastic suppliers who take the raw plastic
-> pellets and blend
-> > in
-> > additives to reduce cost.
->
-> This is a trick as old as the hills (and one of the reasons the old
-> plastics fell apart quickly).
And the new plastics will also, since this practice is still widely in use
today. Even the dyes used to color plastics degrade its performance over
time.
Bill