CASTALDO SUPER HIGH STRENGTH SILICONE-TAN
• Castaldo Super High Strength™ Item #800 A superior quality medium hardness jewelry molding rubber with extreme tear and tensile strength for every application including spirals, cores, cut-outs & plugs as well as for general purpose use. Can be used with Econosil® on the outside for additional stiffness or on the inside for additional dimension stability. • Shore A hardness: 38 - 40. • Tensile strength: 8.3 n/mm² / 1204 psi • Vulcanizes at 165°-176° C / 330° - 350° F. • Tear strength: 21.2 n/mm / 121 lbs./ in. • Medium shrinkage - 2.3%. • Elongation: 667% • Color: traditional tan. |