Q:Use of carburizing agents

The particle size is too fine, easy to burn, too coarse, float on the surface of liquid steel after adding, and it is not easy to be absorbed by steel. The particle size of 0.2-6mm in the induction furnace, the steel and other ferrous metal particles in 1.4-9.5mm high carbon steel, low nitrogen, particle size in 0.5-5mm, and according to the specific needs of the furnace smelting specific types of workpiece so the details of specific judgment and selection.

Q:What's the conductivity of graphite powder, silver powder?

These two values show that the resistivity of silver is small, so the conductivity of silver powder is better

Q:What mask should be used to prevent stone powder?

If long-term without protection is inhaled into the lungs, will lead to a lot of precipitation in the lung, which may induce pneumoconiosis (silicosis disease only); in addition, graphite powder is also easy to stimulate the throat and bronchial, cause allergic reactions (asthma). If proper dust control measures are taken, this kind of disease can be avoided.

Q:Are sand and particle powders used for casting quartz sand? Detailed and accurate.

General small foundry is river sand, quartz sand is also useful. But the cost is higher, if the product is not high, the river sand on it. You have a particle powder quartz powder with clay, coal powder, in what way do you use.

Q:Why does an electromagnetic point timer not prick a needle and use toner paper?

It's a combination of graphite powder and current to mark the surface of the tape. You can imagine it as an inkjet printer

Q:The principle of a graphite missile

When graphite sticks to point wires, numerous circuits are formed, but they are short circuited.So the circuit was broken.

Q:How to measure the iron content in graphite powder?

Take a certain amount of samples, adding dilute hydrochloric acid, excessive filtering and drying. The quality of the filter residue. By weighing the quality of the sample quality is the quality of minus slag containing iron. With this value divided by the sample quality, the mass fraction of iron.

Q:What is special graphite powder used in graphene?

Graphene special graphite powder is specially used for the development of graphene, graphene graphene from graphite powder is special in stripping out, universities and research institutions of graphene special graphite powder, graphite powder, graphene special quality of Qingdao Huatai provide very good, have a good reputation among colleges and universities, scientific research institutions in such help, hope to adopt L.

Q:How can graphite paper be made? Can graphite powder be solidified without brittleness?

Process for the preparation of graphite paper: high carbon flake graphite, graphite by chemical processing into acid (also known as graphite oxide or expandable graphite), in high temperature 960 to 980 DEG C for a few seconds, the level of the graphite lattice moment along the C axis expansion, a fiber floc type vermicular graphite. The expanded graphite is very soft, the roller for the rolling forming, expanded graphite and flexible graphite sheet or foil sheet.

Q:What binder does the graphite powder form with?

The commonly used asphalt in the industry is used as binder, and graphite powder and asphalt are mixed and pressed to form. It is also necessary to heat, roast and graphitized the asphalt in the graphite blocks to obtain certain heat conducting, conductive or other uses of Shi Mobang.