Asahi Kasei Corp. (TYO:3407) will hike prices on products such as clear styrenic copolymers and styrenic thermoplastic elastomers, commencing with shipments from Dec. 1. The price hike applies to the following products at the levels noted. Clear styrenic copolymer, Asaflex, 15 yen ($0.13) or more per kilogram Styrenic thermoplastic elastomers, such as Tufprene and AsapreneT, 25 yen or more per…