Natural Flake Graphite Powder 700 mesh Made in China

Natural Flake Graphite Powder 700 mesh Made in China

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 5000 m.t./month

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FAQ

1.Price
We usually quote within 24 hours after getting your detailed requirements, like size, quantity etc.
If it is an urgent order, you can call us directly.
2. Samples
Yes, samples are available for you to convince yourself on the quality.
Samples delivery time will be about 3-10 days.
3.Lead time for mass production
The lead time is based on the quantity, for graphite products , apply Dual-use items license need about 15-20 working days.
4.Terms of delivery
We accept FOB, CFR, CIF, EXW, etc. You can choose the most convenient way for you. Besides that, we can also shipping by Air and Express.
5.Packaging
We are packed in 20kg or 25kg Per Bag, Ton Bag, or according to your requirements.
6.Notice
Please note that the price on made-in-china is a rough price. The actual price will depends on raw materials, exchange rate , your order quantity etcs. Hope to cooperate with you for long relations, Thank you !

Q:Method for identifying iron powder, aluminium powder and graphite powder: They can be used to determine the reaction with acid: the same quality, the same mass fraction of dilute hydrochloric acid solution, and then the three kinds of powder into three kinds of solution, graphite powder and hydrochloric acid reaction observed, iron and aluminum powder and hydrochloric acid hydrochloric acid reaction is slow, can react violently, prove that the nature of the most active aluminum iron, the main component of carbon graphite is the most stable chemical properties.

Q:Why is there a range of electrode powder powder resistivity? The reasons for the high and low are not good.: Read millivolt values and sample height, calculated according to the formula P =UA/IL type resistivity. The resistivity of the conductor is in P, Omega - M; L for voltage measurement distance between two probes for m; A for the conductor cross-sectional area, m2; U, the voltage between two probes for the determination of voltage V; I the strength of the current flowing through the conductors, the resistivity of A. graphite is (8 ~ 13) * 10-6 (/m), high - low note inside magazines. For reference only!

Q:Why is the battery electrolyte more potassium hydroxide and sodium hydroxide is less used?: The solution of potassium hydroxide at a density of 1.25~1.27 (15 DEG C) is used at temperatures below -15. For the purpose of taking into account the low temperature performance and the charge holding capacity, the sealed nickel cadmium battery adopts an aqueous solution of potassium hydroxide with a density of 1.40 (15 DEG C). In order to increase the capacity and cycle life of battery, usually adding lithium hydroxide amount in the electrolyte (per litre of electrolyte and 15~20g).

Q:Can graphite powder be used for concrete?: The graphite powder is soft, black and gray, greasy and polluting paper. Hardness is 1~2, along the vertical direction with the increase of impurities, its hardness can be increased to 3~5. The specific gravity is 1.9~2.3. Under isolated oxygen conditions, the melting point is above 3000 degrees Celsius and is one of the most refractory minerals.

Q:The axis and drum can use graphite powder lubrication: This doesn't seem good. Graphite powder is a solid lubricant. It is suitable for heavy equipment lubrication. The axis and drum or low viscosity lubricating grease is better, so fast.

Q:What are the hazards of inhalation of graphite dust?: Personally think: black carbon on the human body, and the extent of the time has a lot to do with. On the human body caused by short-term damage is limited to a certain extent, can be restored (but the inhaled particles are difficult to be excreted); over the long term, great harm to the human body, but also can not be restored. Heavy inhalation of carbon black dust can at least cause carbon black, dust, and lung disease (occupational disease, pneumoconiosis). Included in the pneumoconiosis in China: silicosis, coal worker's pneumoconiosis pneumoconiosis, graphite, carbon black pneumoconiosis, asbestosis, talc, mica, cement pneumoconiosis pneumoconiosis pneumoconiosis, Potter's pneumoconiosis, aluminum pneumoconiosis, welders' pneumoconiosis, graphite pneumoconiosis etc.)! At present, the world's lack of treatment for pneumoconiosis, suffering from pneumoconiosis equivalent to sentenced to death. The number of pneumoconiosis patients in our country is equal to that of pneumoconiosis patients in other parts of the world. Please pay more attention to it and don't inhale any more

Q:Does graphite allow lubrication of rusted doors?: Sure。 When we were young, the teacher reminded us that we could use the pencil core to scrape the end and put it into the keyhole to lubricate it.

Q:What does composite graphite mean?: Flexible graphite is prepared into graphite powder as a kind of simple, while the composite graphite is graphite powder with one or more other medium mixed products, their preparation materials are different, the application is different, the above information is a reference to Qingdao Huatai graphite.

Q:How does graphite powder solidify into a lump? What bond is best used?After solidification can be more than 1000 degrees high temperature does not change: There is no binder that can withstand 1000 degrees C. At such a high temperature, any binder has been carbonized and has lost its bond effect, so it is impossible if you want to use the binder to make the graphite powder into pieces

Q:Thermal conductivity and density of graphite powder: In the formula, P is porosity, and lambda 0 is the thermal conductivity without hole (P=0). This formula is of historic significance. For graphite, the pores are not spherical or more unequal, but of course they do not apply. But it shows that the larger the porosity (the smaller the density), the smaller the thermal conductivity. This qualitative conclusion is correct. An extruded graphite core with different impregnation treatments

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