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Boron powder price B powder amorphous boron powder CAS 7440-42-8 best factory price
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Introduction of boron powder:
Boron powder is a black or dark brown powder that reacts with fluorine at room temperature and is not corroded by aqueous solutions of alkali and hydrofluoric acid. Boron powder is also known as amorphous boron. Boron powder has active chemical properties but is relatively stable at room temperature and is oxidized when the temperature reaches 300 degrees Celsius. The ignition height is very high, requiring 700 degrees Celsius to ignite. Boron powder can react with oxygen, nitrogen, and sulfur and can also combine directly with certain metals to produce some borides. Amorphous boron powder is a brownish-black powder. Crystalline boron is black, very hard (Mohs hardness ~ 9.5), and a poor conductor at room temperature. Elemental boron is used as a dopant in the semiconductor industry. Boron compounds play an important role in lightweight structural materials, pesticides and preservatives, and reagents for chemical synthesis.
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Properties of amorphous boron powder:
Amorphous elemental boron is chemically more reactive than crystalline elemental boron. Crystalline boron is so hard that it is often used in place of diamond to make cutting tools or drill bits. In the process of metal smelting, a small amount of boron is added, on the one hand, as a deoxidizer, to prevent metal oxidation at high temperature; On the other hand, alloys are formed to improve the properties of metals.
The element boron CAS 7440-42-8 is a black or dark brown powder. When it oxidizes in the air, it stops the internal boron from oxidizing further, resulting in a boron trioxide film. It reacts with fluorine at room temperature and is not corroded by hydrochloric acid and hydrofluoric acid aqueous solution. Boron is insoluble in water, and boron powder is soluble in boiling nitric and sulfuric acids, as well as most molten metals such as copper, iron, manganese, aluminum, and calcium.
Application of amorphous boron powder
Amorphous boron powder is a kind of important energy material, in a composite solid propellant as a solid fuel, the calorific value of the boron is twice as tall as carbon above, is about 2 times of aluminum, magnesium, more than 2 times, its volume is almost three times the hydrocarbon fuel heating value, density is only slightly lower than aluminum, with the highest volume calorific value, in terms of its energy, b should be the best fuel, not of metal. The ignition temperature of amorphous boron is greatly reduced due to its irregular shape and large specific surface area.
Amorphous boron powder is mainly used IN HIGH energy solid fuel, boron-containing functional ceramics, space technology, explosive catalyst, airbag detonator, superconducting, borane, a variety of borides and high purity boron halide raw materials, metallurgy, glass, electronics and other industries.
Technical Parameter of Amorphous Boron Powder:
|
Product specification |
Water soluble boron% |
Hydrogen peroxide insoluble substance% |
Moisture% |
Particle size(D50)μm |
Tap density |
|
B≥90% |
≤1 |
≤1 |
≤0.5 |
1-5 |
0.7 |
|
B≥92% |
≤1 |
≤1 |
≤0.5 |
1-5 |
0.7 |
|
B≥94% |
≤0.5 |
≤0.5 |
≤0.5 |
1-5 |
0.65 |
|
B≥95% |
≤0.5 |
≤0.5 |
≤0.5 |
1-5 |
0.65 |
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Q1: Are you a manufacturer or trading company of amorphous boron powder? |
| Q2: Can I get a sample before placing the order? Reply: Yes, we are willing to provide you with samples of amorphous boron powder. For some items, it's free, you just pay for shipping. Free samples will be provided when we cooperate with each other for a period of time. |
| Q3: What payment method can your company use for amorphous boron powder? Re: There are some payment methods for you to choose. T/T(USD), Western Union, Paypal, Credit Card, Alipay or Alibaba Trade Insurance. You can choose the one you like. |
| Q4: How and when can I receive my goods after payment for amorphous boron powder? Re: For a small amount of products, it only takes 1-2 days for air shipping. For large quantities, it will take about 1-2 weeks. |
| Q5: Do you have OEM or ODM service for amorphous boron powder? Reply: Of course. If required, we can customize amorphous boron powder for you. |
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Q6: How can you guarantee the goods you offer is qualified of amorphous boron powder? |
Packaging of amorphous boron powder:Vacuum packing, 1kg/bag, or as your request.
Shipping of amorphous boron powder: ASAP
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