www.pcimag.com/articles/98648-basf-to-increase-prices

BASF to Increase Prices
January 19, 2014
WYANDOTTE, MI - BASF will begin increasing the price for caprolactam and polyamide (PA) 6 polymer by $0.10 per pound in North America, effective February 1, 2014, or as contracts allow.
This price increase is necessitated due to developments in raw materials.