Jewelry Casting Investment Powder Lost Wax Casting Silk Gypsum SRS...

Jewelry Casting Investment Powder Lost Wax Casting Silk Gypsum SRS UK 25 Pound (26lb LB)

Technical Information - SILK Powder/water ratio 38 - 40% Work time @ 22°C 8 - 9 minutes Initial set time 10 - 12 minutes Thermal expansion @ 750°C 0.73% Setting expansion 2 hours 0.65% For full instruction on how to use SILK please refer to the mixing and burnout instructions found in every box.

• Casting powder for High Quality Jewelry, is ideal for high Karat Gold and Fine Filigree items. T Product will work with Silver as well. This is a box containing 25 Pounds of powder.
• The casting Investment SILK is the result of Research & Development by SRS to improve the surface finish of castings and represents the finest quality Investment Powder currently available.
• SRS SILK offers the following benefits to the Jewelry caster: High purity raw materials graded and selected especially for Jewelry Lost Wax Casting process. Increased refractoriness gives better thermal shock resistance during burnout and casting. More user friendly able to perform in a wider set of parameters. Suitable for all metals especially 18kt Gold or fine filigree work.
• Smoother surface finish - less polishing required. Includes all wetting & defoaming agents - no need to add before mixing. Smooth creamy consistency during mixing and pouring. SILK is easy to break out after casting.
• Made in England by SRS