Flexible Santoprene Tubing. Flexible Santoprene tubing from RS Pro is resistant to wear and abrasion. This flexible tubing is ideal for use on peristaltic pumps and because of its high resistance to wear you can benefit from extended pump time. Features and Benefits. 3 m length. 1.6 mm tube wall thickness. Withstands sterilisation. Food grade. Wear and abrasion resistant. Product Application Information. Ideal for use with peristaltic pumps.