Foamazol chemical blowing agents for low-density foaming: Extrusion and molding. Endothermic, Exothermic and Endo/Exo Blends in pelletized masterbatch in range of base resins — Polyethylene, polypropylene, copolymers, polystyrene, PPO, PPE, ABS, PVC and powders. Custom formulations also available.