Silver Jewelry Investment Powder of HK-2000

The fine investment powder is applicable in (1)solid gold,karat gold,silver (2)brass alloy high-grade jewelry casting.

Features:1  The casting mold can bear temperature of 720oC(1328oF)~750oC(1382oF), and has high thermal shock resistance. Casting mold can endure quick and direct temperature rising, while the mold cavity will not be fractured.2  Mold cavity duplicates are very clear, no any male-female face on casting surface. Castings have very smooth feel, gold consumption of finishing is very low.3  Use 3% boric acid to prepare investment, can be directly used in stone (diamond) in place wax setting.4  This investment powder is applicable in solid gold, karat gold, silver and brass alloy high-grade jewelry casting, and is the investment in common use.5  Automatically collapsed when dip into water, easy to pattern drawing!

Model:	HK-2000
Water/Powder Ratio:	38-40:100
Working Time:	9-10 min
Initial Set Time:	12-15 min
Thermal Expansion @730:	0.75%
Setting Expansion @2hrs.:	0.50%
Thermal Compressive strength (730×1hrs):	0.69 MPa
Setting Compressive strength (2hrs.):	1.27 MPa
Max.Burnout Temp.:	750(1,382°F)

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