Products › NovTek R 157 Image 1 of 1 NovTek R 157 $0.00 CAS # 28064-14-4Partially Bio-Based (Produced with Veg based Epi)Epoxy Phenol Novolac (f=3.8) Sample Added! CAS # 28064-14-4Partially Bio-Based (Produced with Veg based Epi)Epoxy Phenol Novolac (f=3.8)