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• Castaldo® silicone jewelry molding rubbers produce waxes with an extremely smooth high shine finish that won’t stick to the mold. Smooth shiny waxes means 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 had never been cut. A better vacuum is created for better flow and fill. • Excellent return to shape, or “memory”. |
All Castaldo® Silicone Jewelry Molding Rubbers make superior quality molds that are tough, strong, easy to pack, easy to cut and easy to use. Just spread the rubber and press it with your fingers like clay or putty!Castaldo jewelry molding rubbers are available in the following types: |
Castaldo Super High Strength™ Item #800 Shore A hardness: 38 - 40. |
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Castaldo Econosil® Item #808 Shore A hardness: 48 - 50. |
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Castaldo VLT® Item #809 Shore A hardness: 38 - 40. |
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Castaldo Rapido® Item #810 Shore A hardness: 38 - 40 |
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Castaldo Super Stretch™ Item #811 Tensile strength: 7.7 n/mm² / 1109 psi Vulcanizes at 165° - 176°C / 330° - 350°F. Tear strength:19.2 n/mm / 110 lbs./ in. Low shrinkage 1.3%. Elongation: 900% Color: violet |
Castaldo silicone jewelry molding rubber compounds are available in two sizes:
STRIPS 7.3 cm x 45.7 cm x approx. 6 mm (1 7/8” x 2 7/8” x approx. 3/8”)
Coming early 2010 - SQUARES 30 mm x 30 mm x approx. 6 mm (11¾” x 11¾” x approx. 3/8”)
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Copyright © 1991-2018 F. E. Knight Inc. ALL RIGHTS RESERVED