We are specialized in manufacturing all kinds ofcalcined petroleum coke (120,000mts/year),anode butts (30,000mts/year),carbonadditive(70,000mts/year)carbon blocks(20,000mts/year).
We strictly adopt international technology standards and successfully passedthe inspection of ISO9001:2000,GB/T19001-2000 quality management system,we gota good reputation for high quality products domestic and abroad,warmly awaitingcooperations world-wide.

The blackmetallurgy profession standard of PRC carbon

牌号 Type	灰分 % Ash	电阻率 Ωmm²/m Resistivity	热膨胀率 % Expansion	CO2反应性 Mg/cm²h Reaction	耐压强度 N/mm² Anti- oppression strength	体积密度 G/cm³ Volume Density	真密度 G/cm³ Density
		不大于 Not larger than				不小于 Not smaller than
TY-1	0.5	55	0.45	45	32	1.50	2.05
TY-2	0.5	60	0.50	50	30	1.50	2.05
TY-3	1.0	65	0.55	55	29	1.48	2.05
注：1.CO2反应性作为参考指标; 2.抗折强度由供需双方协调； 3.对于有残极返回生产的产品灰份要求，由供需双方协商； 4.表中数据按GB/T8170处理。 Note：1.CO2 reaction is a reference index. 2.Anti-fold strength is determined by the producer and clients. 3.Ash requirement is decided by the produder and clients. 4.The data in the form accord with GB/T8170

HONGDA PETROLEUM & CHEMICAL FACTORY

Carbon Blocks