Jewelry Investment Powder of HK-1000

Features: 1 High quality and low price, high performance/price ratio, can lower cost in a big scope for larger processing factories. 2 The casting mold can bear temperature of 720oC(1328oF), and has higher thermal shock resistance. Casting mold can endure quick and direct temperature rising, while the mold cavity will not be fractured. 3 Mold cavity duplicates are very clear and smooth. No apparent drop marks, metal beads and male-female face on casting surface. 4 This investmetn powder is applicable in karat gold and lower melting temperature silver, copper-beryllium, brass and aluminum alloy jewelries and parts casting. 5 Automatically collapsed when dip into water, easy to pattern drawing! Model: HK-1000 Water/Powder Ratio: 39-40:100 Working Time: 11-12 min Initial Set Time: 13-16 min Thermal Expansion @730: 0.78% Setting Expansion @2hrs.: 0.60% Thermal Compressive strength (730×1hrs): 0.62 MPa Setting Compressive strength (2hrs.): 1.19 MPa Max.Burnout Temp.: 720(1,328°F)