North American prices for PVC and polystyrene resins each have declined since Oct. 1, resulting from drops in seasonal demand and feedstock costs. Suspension PVC prices dipped an average of 1 cent per ...
North American prices for PVC and polystyrene resins both have increased since Feb. 1. Prices for all grades of PVC — including both suspension and dispersion resins — are up an average of 3 cents per ...
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