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% |
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