Silicone Extrusion Tubing: Both peroxide-cured high quality silicone tubing, colour available are clear, white, red, bule, black etc, so many per your request. Minimum inner diameter: 1mm Maximum outer diameter: 60mm all the sizes in this scope are The specification of most standard silicone tubing we produce are as below: Density: 1.25 g/ cm3 Handness: 55 Shore A Tensile strength: 7.0 mpa Elongation at Breakage: 320% Tension Set: 8% Tear Strength: 20 KN/ M Heat Resistant: 200 C The standard silicone tubing is industrial, food grade( FDA approved) , medical grade, high tear silicone tubing is also available.