Castaldo Silikon Super High Strength kék, 2,27 kg

Castaldo silicone jewelry molding rubbers makes superior quality molds that are tough, strong, easy to pack, easy to cut, and easy.

Castaldo silicone jewelry molding rubbers produce waxes with an extremely smooth high shine finish that won't stick to the mold. Smooth shiny waxes mean faster cleaning and less polishing of finished castings.Wax patterns release from the rubber easily without the use of messy powders or silicone sprays.Molds cut like butter yet resist tearing. Castaldo silicone jewelry molding rubbers make complex molds that are stronger than any other silicone molding rubber on the market. Molds last and last!Castaldo silicone molding rubbers will not discolor silver models.High thermal conductivity means that waxes cool more quickly, increasing the number of wax patterns that can be made per hour.Castaldo silicone jewelry molding rubbers make molds that are ideal for vacuum wax injectors because they seal between injections almost as if they have never been cut. A better vacuum is created for better flow and fill.

• Shore A Hardness: 38 - 40
• Vulcanizes at: 165° - 176°C / 330° - 350°F
• Rubber Shrinkage: Medium 2,3 %
• Elongation Before break: 667%
• Tensile Strength Before break: 8.3 n/mm2 1204 psi
• Tear Strength Die C Before break: 21.2 n/mm 121 lbs./ in.
• Uses: High Strength, General Purpose
• Color: Blue