Sigma Kneader for Viscous Materials comes with Jacket arrangement for heating or cooling application and is available in volumetric capacity ranging from 6 litres to 3000 litres. S. F. Engineering Works supplies Sigma Kneader for Viscous Materials. S. F. Engineering Works is the manufacturer of process plants and machinery required by the Chemical, Paint, Inks Pharmaceuticals, Minerals, Food and related Industries. The Sigma Kneader for Viscous Materials is suitable for kneading and mixing of highly viscous materials like dough, putty, rubber solutions, adhesives, polymers etc.