SRS Investment Powder 2kg Classic / Silk

Top quality powder especially suited to palladium white and 18k & 22k gold. For gold casting nothing surpasses the quality of SRS Silk. .

This is our flagship product which is composed of the highest quality and concentration of unmineralised cristobalite

SILK™ offers the following benefits to the Jewellery caster:

• High purity raw materials graded and selected especially for jewellery lost wax casting.
• 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.

Product Packaging  SACK : 22.7 kg. (50 lb.)

Technical Data

Powder / Water Ratio : 100/38-40
Working Time @ 22c Slurry Temp :8 min.
Gloss Off Time @ 22c Slurry Temp : 12 – 14 min.
Thermal Expansion At 750c : 1.1%