Драгоценности Инвестиционный порошок HK-1000

°cFeatures: 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 720°c(1328°F), 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)