>> HK-2000 jewelry investment powder

HK-2000 jewelry investment powder

Name：HK-2000 jewelry investment powder NO.：HK-2000

Features

1、The casting mold can bear temperature of 720℃(1328℉)~750℃(1382℉),
     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, all the Visible decorative Pattern on wax
     mold are resemble closely. 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、Applicable in solid gold, silver and copper alloy high-grade jewelry
     casting, and is the investment in common use.

5、Automatically collapsed when dip into water, easy to pattern drawing.

Packaging specifications

货号（No.）	规格(Packaging)
2004	45kg(100lb.)/Drum(桶)
2005	45kg(100lb.)/bags(袋)
2006	22.5kg(100lb.)/bags(袋)

Technical Informations：

Model:	HK-20	HK-2000	HK-1000
Water/Powder Ratio:	38-40:100	38-40:100	39-40:100
Working Time:	9-10 min	9-10 min	11-12 min
Initial Set Time:	12-15 min	12-15 min	13-16 min
Thermal Expansion @730℃:	0.72%	0.75%	0.78%
Setting Expansion @2hrs.:	0.50%	0.50%	0.60%
Thermal Compressive strength (730℃×1hrs):	0.71 MPa	0.69 MPa	0.62 MPa
Setting Compressive strength (2hrs.):	1.30 MPa	1.27 MPa	1.19 MPa
Max.Burnout Temp.:	830℃(1,526℉)	750℃(1,382℉)	720℃(1,328℉)