FACTICE NP 17 is a brown sulphur factice that is free of mineral oil and is composed of rapeseed oil and special oils, cross-linked with sulphur. It appears as small, light brown lumps. FACTICE NP 17 improves properties like ozone resistance for advanced material products. As a swelling resistant additive, FACTICE NP 17 is suitable for applications in the advanced materials industry where mineral oil is used as a softener and swelling resistance is not the primary requirement. FACTICE NP 17 enhances performance of advanced material formulations without comprising on other key characteristics.