www.pcimag.com/articles/97843-basf-to-increase-price-for-polyamide-6-polymer-in-north-america

BASF to Increase Price for Polyamide 6 Polymer in North America
May 19, 2013
WYANDOTTE, MI - BASF will begin increasing the price for polyamide (PA) 6 polymer by $0.05 per pound in North America, effective June 1, 2013, or as contracts allow.
This price increase is necessitated due to developments in raw materials.