Customized Graphite Crucible for Melting Gold, Silver

Min.Order: 1
Product origin: Beijing, China
Infringement complaint: complaintComplaint
US$ 50

Description
Customized graphite crucible for melting gold,silver:
1. High density / Fine grain size / High purity / High strength / Low specific resistance / Ease of precise machining
2. Excellent thermal shock resistance to high temperature and oxidation / Good anticorrosion .
Application:
Semiconductor (Monocrystalline Silicon) / Vacuum furnace / Continuous casting / Sealing products / Space & medical industry / Forge moulds EDM.
Heaters / Heat shields /Electronic tube anodes / Melting and sinteringmoulds for Pottery & Electronic Products & Cemented Carbide &  Diamond &  Aluminium & Copper & Other metals/ Etc.
MOLDEDM 1M 2
Bulk Density MIN(g/cm3)1.781.85
 Ash Content(PPM)500-1000500-1000
SHORE  HARDNESS4045
ELECTRICAL RESISTVITY
(μ.Ω.m)
≤12≤12
FLEXURAL  STRENGTH
(MPa)
30--3535--45
COMPRESSION STRENGTH
(MPa)
50--5560--82
MAX GRAIN SIZE
(μm)
43μm43μm
COEFFICIENT OF THERMAL EXPANSION(100-600ºC)
 (mm/ºC)
4.5×10-64.5×10-6
Note:
Ash content of all grades can be purified to 20 PPM.
Special property requirement specially produced.
Size:
RodsDiameterLength
Size Range0-1300mm0-2000mm
Standard Size110-500mm180-400mm
       
BlocksLengthWidthThickness
Size Range0-900 mm0-400 mm0-320 mm
Standard Size200-900 mm125-400 mm53-320 mm
Larger size specially pressed. 
Smaller size further machined.
Machined parts done to drawings
Anticorrosion cover available(SiC Cover, Pitch Cover, etc)












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