China Manufactured Isostatic Graphite Block Used for EDM Industry

• Type: Graphite Mold
• Composition: 100% Carbon
• Carbon Content: High-Carbon
• Grade: Industrial Grade
• Forming Way: Molded Graphite
• Crystal Morphology: Flake Graphite
• Model NO.: EDM-1.85
• Bulk Density: 1.85
• Transport Package: by Ply-Wood
• Specification: customized
• Trademark: DC
• Origin: Beijing, China
• HS Code: 2701121000
• Production Capacity: 20PCS Per Day

Product Description

China manufactured Isostatic graphite block used for EDM industry:

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.

MOLDED	M 1	M 2
Bulk Density MIN(g/cm3)	1.78	1.85
Ash Content(PPM)	500-1000	500-1000
SHORE  HARDNESS	40	45
ELECTRICAL RESISTVITY (μ.Ω.m)	≤12	≤12
FLEXURAL  STRENGTH (MPa)	30--35	35--45
COMPRESSION STRENGTH (MPa)	50--55	60--82
MAX GRAIN SIZE (μm)	43μm	43μm
COEFFICIENT OF THERMAL EXPANSION(100-600ºC)  (mm/ºC)	4.5×10-6	4.5×10-6

Note:
Ash content of all grades can be purified to 20 PPM.
Special property requirement specially produced.

Size:

Rods	Diameter	Length
Size Range	0-1300mm	0-2000mm
Standard Size	110-500mm	180-400mm

       

Blocks	Length	Width	Thickness
Size Range	0-900 mm	0-400 mm	0-320 mm
Standard Size	200-900 mm	125-400 mm	53-320 mm

Larger size specially pressed. 
Smaller size further machined.
Machined parts done to drawings
Anticorrosion cover available(SiC Cover, Pitch Cover, etc)