Marijuana’s humid growing conditions are a paradise for dangerous mold. States where marijuana is legal make growers hire laboratories to check for concentrations of mold and other contaminants ...
Polypropylene prices had a dramatic decrease in September; and PET bottle resin also decreased by 3 cents. The drop in polypropylene prices follows increased production of polymer-grade propylene ...
Lower feedstock costs and drops in demand sent North American prices for polypropylene and PET bottle resin down in September. Average selling prices for PP were down an average of 4 cents ...