1>Low electrical resistance
2>High bulk density
3>Low ash content
4>High mechanical strength
5>High oxidation resistance for abrupt change of temperature and high-yield in melting process
|
Item |
unit |
Nominal Diameter | ||||||
|
RP |
HP |
UHP | ||||||
|
< Φ300 |
> Φ350 |
< Φ400 |
> Φ450 |
< Φ400 |
> Φ450 | |||
|
Resistance |
E |
μΩ.m |
< 8.5 |
< 6.5 |
< 5.5 | |||
|
N |
< 6.5 |
< 5.5 |
< 4.5 | |||||
|
Bending Strength |
E |
Mpa |
> 8.5 |
> 7.0 |
> 10.5 |
> 9.8 |
> 11.0 | |
|
N |
> 15.0 |
> 16.0 |
> 20.0 | |||||
|
Elastic Modulus |
E |
Gpa |
< 9.3 |
< 12.0 |
< 14.0 | |||
|
N |
< 18.0 |
< 16.0 |
< 14.0 | |||||
|
B.D. |
E |
g/cm3 |
> 1.53 |
> 1.52 |
> 1.62 |
> 1.60 |
> 1.66 |
> 1.67 |
|
N |
> 1.69 |
>1.73 |
>1.75 | |||||
|
C.T.E (100~600°C) |
E |
10 -6 /°C |
< 2.9 |
< 2.4 |
< 1.5 | |||
|
N |
< 2.8 |
< 2.2 |
< 1.4 | |||||
|
Ash |
|
% |
< 0.50% |
< 0.30% |
< 0.30% | |||