天津鑫诚鸽牌坩埚有限公司

=产品特点及用途

　　鸽牌石墨坩埚是多年来国内畅销的产品，其产品特点与金狮牌相似，抗氧化性能强，其内壁不挂渣，外壁不沾焦炭，容铜量稳定，在各种窑炉操作方便。坩埚硬度高，强度大，不易磨损。
　　鸽牌石墨坩埚是粘土石墨坩埚价格较为便宜，经济实惠，适用于熔炼各种有色金属。

=Characteristic and uses:

　　"Pigeon" brand graphite crucible sells well all over the country for many years, Its Characteristic is similar to "Golden Lion". High anti-oxidation, free from the adhesin of slag to the inner walls and of coke to the outer surface. Their capacities for smelting copper is accurate. They can be used in different furnace systems and handle easy. The crucible have high strength and stand wear.
　　"Pigeon" crucible is clay graphite crucible　suitable for smelting various norferrous metals, the price is inexpensive.

=鸽牌坩埚理化指标
　Physico-Chemical Properties(Trade mark:"Pigeon")

项　　目 Items	数　　值 Value
耐火度⁰C Refractoriness	≥1610
碳含量 % C	≥38
显气孔率% Apparent Porosity	≤35
体积密度　　g/cm Bluk density	≥1.6