Cas No 60303-68-6 Curing Resin - QingdaoScienocChemical ( China ) - Offers to Sell and Export - Friday 20 March 2015 12:42 pm - cas no 60303 68 6 curing resin arkema vultac tb7 equivalent sulfur content 29 5 31 5 % softening point 95 115 c nitrosamine free vulcanizing amp amp curing agent it's a sulfur...