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Carbon & Graphite
Manufacturing Process
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Grade Table
General Characteristics
Impervious Graphite
SiC (CVR)
General Characteristics
SiC Coating Graphite¿Í
Carbon/GraphiteÀÇ ºñ±³
SiC Coating Graphite Heater
SiC (CVD)
General Characteristics
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General Characteristics
Physical properties can be customized to meet your needs by material selection
and process control.
DY - 500 (CVR)
Silicon Carbide-Infused Graphite

Typical Physical Properties (CVR)
Property Test Method Units Value¡Ú
Apparent Density
Coef of Thermal Exp
Specific Heat
Thermal Conductivity
Porosity
Electrical Resistivity
Modulus of Elasticity
Flexural Strength
Tensile Strength
Compression
ATSM C - 559
ASTM E - 228
ASTM D - 2766

ASTM C - 373
ASTM C - 611
Beam Flexure
ASTM C - 651
ASTM C - 565
ASTM C - 695
gm/§¨
cm/cm/¢ªC¡¿10-6
Btu/lb ¢ªF
Btu/hr/ft©÷/¢ªF/ft
% volume
ohm-cm¡¿
psi¡¿
psi¡¿
psi¡¿
psi¡¿
1.9
4
0.2
30
11
6
2.5
5
2
12
 
Temperature Limits :
Reducing
Oxidizing
Thermal Shock Resistance
Abrasion Resistance

¢ªC
¢ªC -273/+1800
¢ªC -273/+700
Excellent
Excellent
 
Corrosion Resistance for
DY-600 and DY-500
Solution temperature 80¢ªC-submerged 21 days
Chemical Concentration Condition
Nitric Acid, HNO3
Hydrochloric Acid, HCI
Hydrofluoric Acid, HF
Sulfuric Acid, H2SO4
Chromic Acid, HCrO4
Sodium Hydroxide,
NaOH
70%
20%
37%
96%
50%
70%
No measurable effect
No measurable effect
No measurable effect
No measurable effect
No measurable effect
No measurable effect
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