Vulkasil® C

Vulkasil® C by Rhein Chemie Additives (Lanxess Group) is a silica filler with a medium reinforcing effect. It includes basic accelerators such as DPG, compounds containing hydroxyl groups (glycols) and almost all compounds containing basic nitrogen, e.g. triethanolamine and di-cyclohexylamine. The slight retardation of cure given by Vulkasil® C, improves the yield gas in compounds for sponge soles, thereby enhancing the blowing action. It is used where both ease of processing and good mechanical strength properties are desirable. It designed for soling materials, thick soles and all rubbers except silicone rubber. Recommended dosage level is up to 100 phr, depending on the type of rubber, activator and properties desired in the final product. It has a shelf life of 2 years.