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Company Profile

Beijing Great Wall Co.,Ltd.
[China]

Address:
02-05, Fengzhuyuan, No.18 Jiaomen, Fengtai District, Beijing, China. Beijing Beijing 100068 China

Phone:
86-150-01060112

Contact name:
cathleen lee

Beijing Great Wall Co.,Ltd.

Products

	Molded Graphite

Click to enlarge image

Origin	China
Model Number	10
Brand Name	gw

Molded Graphite (M Series)
Feature:

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
g/cm Bulk Density MIN	1.78-1.80	1.85-1.88
Ash Content	500-1000	500-1000
SHORE HARDNESS	40	45
(μ.Ω.m) ELECTRICAL RESISTVITY	≤12	≤12
(MPa) FLEXURAL STRENGTH	30--35	35--45
(MPa) COMPRESSION STRENGTH	50--55	60--82
MAX GRAIN SIZE μm	43μm	43μm
COEFFICIENT OF THERMAL EXPANSION (10-8/K)	4.5×10-6	4.5×10-6

Note:
Ash content of all grades can be purified to 50 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)