Professional design for silver and copper jewelry casting
cobra, after more than a year of experiments and tests in ZOORON factory, this product has been promoted to the market, and its quality and stability have been recognized by many jewelry manufacturing factories, and has begun to be used on a large scale. It is specially made for the characteristics and properties of copper and silver. cobra is an economical casting powder, which saves a lot of manufacturing costs for large-scale jewelry manufacturers.
Product advantages
・Special quality control of raw materials for lost casting.
・Follow the operation manual of the product, the operation process is simple and easy, and good castings will be obtained.
・It is specially designed and manufactured for silver and copper.
・The finished casting surface is smooth, which can save a lot of grinding and polishing processes.
・The product already contains the required additives, so no additives need to be added during mixing.
・When stirring and pouring, the gypsum powder flow will be as smooth and delicate as lotion.
Each batch of gypsum powder products produced by ZOORON will have strict QC procedures. Before it is delivered to the customer, it will be sampled and tested in the ZOORON experimental testing factory, and batch samples will be left. Over the past year, more jewelry manufacturers have used this product, and its quality and stability have been proved. cobra has been officially recognized as a new product by ZOORON for product packaging and brand recognition. We will constantly improve the quality of our products, and we are confident to make our products better.
Note: inside the package of each bag / barrel of cobra products, there will be a detailed manual of cobra products, which contains the mixing instructions and roasting instructions of SRS gypsum powder products.
Technical parameter - cobra | |
Powder/Water Ratio | 38% |
Work time @ 22°C | 8 - 9 minutes |
Initial Set Time | 10 - 12 minutes |
Thermal Expansion @ 750°C | 0.75% |
Setting Expansion @ 2 hrs | 0.45% |
Volume Yield per kg powder | 790ml |