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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-19-2025 | 0.60 $* | 0.53 $* |
Aug-19-2025 | 0.20 $* | 0.3 $* |
Jul-19-2025 | 0.50 $* | 0.26 $* |
Jun-19-2025 | 0.58 $* | 0.32 $* |
May-19-2025 | 0.46 $* | 0.1 $* |
Apr-19-2025 | 0.29 $* | 0.71 $* |
Mar-19-2025 | 0.50 $* | 0.89 $* |
Feb-19-2025 | 0.40 $* | 0.40 $* |
Jan-19-2025 | 0.68 $* | 0.38 $* |
Graphite crucible pot has good thermal conductivity and high temperature resistance. In the process of high temperature, the thermal expansion coefficient is small. platinum crucible has certain anti-strain properties for hot and cold.The anti-corrosive properties of acids and alkaline solutions are strong,aluminum melting pot have Excellent chemical stability.
Pro cast foundry clay graphite crucible used in melt of gold, silver, platinum and other precious metals,PDSKY crucible melting have temperature resistance, good corrosion resistance and long service life feature.
1. High temperature: the melting point of graphite is 3850, the boiling point is 4250, even after the ultra-high temperature arc ignition, the loss of weight is small, and the thermal expansion coefficient is small.The intensity of the graphite increased with the temperature, and the graphite strength doubled in 2000
2.The conductivity of graphite gold melting induction furnace is a hundred times higher than non-metallic ore.Thermal conductivity exceeds steel, iron, lead and other metal materials.The thermal conductivity decreases with increasing temperature, and even at extremely high temperatures, graphite is an insulator.
3. Lubricity: the less friction coefficient, the better lubrication performance
4. Chemical stability: cast iron crucible has good chemical stability under normal temperature, and can resist corrosion of acid, alkali and organic solvents
5. Thermal shock resistance: metals melting pot can withstand the drastic change of temperature when crucibles for melting gold used at normal temperature without damaging the temperature. When the temperature is abrupt, the volume of graphite is small and no crack is produced.
1, Established in May 2008, Pingdingshan Kaiyuan Special Graphite Co.,Ltd. is mainly focus on the production of special graphite and deep processing of graphite products, Company’s project belongs to the national Torch Project. We have a strong technical team which over 200 staffs, the college degree or above is 54 person and R&D people is 26. Have about ten years of production experience of crucibles for melting gold, graphite block,isostatic graphite and molded press graphite, widely used in metallurgy, casting, machinery, chemical and other industries
2, We own a complete isostatic pressing graphite and molded graphite production line, the main equipments are: 1 set LDJ1250/3200-200YS cold isostatic pressing machine, one set 12500 tons molded pressing machine, two sets 4R pendulum grinder, two sets 1500L kneading machines, two set 25KG high pressure impregnation containers, a set of automatic weighing, transport, cooling system, 3 energy-saving and environmental protection calcining kilns. The annual produce capability for isostatic pressing graphite is 4500 tons and molded graphite is 5500 tons, sell well at home and abroad.
3, Our company had applied for 12 patents by the end of 2017. The big size isostatic graphite produce technology had passed the achievement appraisement of Henan Science and Technology Agency, which reached the international advanced level in December 2011. More than 40 research and development projects had finished by the end of 2017, the expenses reached 24.07 million RMB and had achieved remarkable effect. Kaiyuan graphite is strictly on quality management and had obtained ISO9001 2008 quality management system certification
Mid. Order:1KG, sample is free
Mid. Order:1KG, sample is free
Mid. Order:1KG, sample is free
Mid. Order:1KG, sample is free
Mid. Order:1KG, sample is free
Mid. Order:1KG, sample is free
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