NOW I AM EXAMING THE MARKET OF PVC RESIN. BECAUSE MY COMPANY PRODUCES PVC GRANULE AND IT IS MAINLY MADE BY PVC RESIN. GRADES OF PVC RESIN THAT WE USE ARE K70, K67 AND K58.ESPECIALLY K70 AND K58 ARE USED BY THE PRODUCTION.I NEED TO GET TDS AND MSDS OF PRODUCT. IT IS IMPORTANT!!