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產品庫 > 食品添加劑 > 被膜劑 > 普魯蘭多糖  > 六方氮化硼(h-BN)價格
 
主要用途灰水阻垢劑
單 價500元
含量99%
原產地中國 常州

广东十一选五app哪家好 www.jdtep.com 物性:

六方氮化硼(h-BN)是由氮原子和硼原子構成的共價鍵型晶體,具有類似的石墨層狀結構,呈現松散、潤滑、易吸潮、質輕等性狀的白色粉末,所以又稱白色石墨。它的理論密度2.27g/cm3,,莫式硬度為2,具有優良的電絕緣性、導熱性、耐金屬熔體腐蝕性、無明顯熔點、低熱膨脹系數。0.1MPa的分壓下,氮化硼在中性還原氣氛中,耐熱到2000,氮氣中能耐熱到3000,在氧氣氣氛中穩定性較差,使用溫度1000以下。

六方氮化硼不溶于冷水,水煮沸時水解非?;郝⒉倭康吶鶿岷桶?,與弱酸和強堿在室溫下均不起反應,微溶于熱酸,用熔融的氫氧化鈉,氧化鉀才能分解。


Hexagonal Boron Nitride (h-BN):

Physical properties
H-BN is composed of nitrogen atoms and boron atoms, has a layered crystal structure similar to that of graphite. It is a white powder showing loose, lubricated, easy to absorb moisture, light and other properties, which is also called "white graphite".
H-BN has theoretical density 2.27g/cm3 and Moh's hardness 2. H-BN possess excellent electrical insulation, thermal conductivity, molten melts chemical compatibility, low thermal-expansion coefficient, and good stability at up to 2000under a neutral and/or reducing atmosphere, and to 3000under a 0.1MPa nitrogen atmosphere, while only up to below 1000  in oxygen atmosphere.
H-BN is insoluble in water and decomposes very slowly in boiling water and produces small amount of boric acid and ammonia. It is chemically stable with weak acid and alkali at room temperature, while slightly soluble in hot acid and can be decomposed with molten NaOH and KOH.

 

 

 

Product Specifications

我司氮化硼產品主要以進口硼酸與三聚氰胺為原料,在高溫下反應合成而成,部分規格氮化硼產品以其他高檔原料合成,具有雜質少、純度高、結晶度良好、粒度可調,品種多樣化等優點。針對不同下游行業,主要分為:陶瓷級

(Cera-BN)、導熱級(Therm-BN) 、化妝品級(Cosm-BN)、潤滑級(Lubr-BN)等規格。

 

The h-BN products produced by Suzhou Nanopure Materials Technology Co., Ltd. are synthesized at high temperature by using high-quality imported boric acid and melamine as raw materials. They are high quality in BN content and trace impurities, good crystalline, and tailored particle size distribution, and morphologies.

 

Basically, our products are classified as four grades as per downstream demands: ceramics grade (Cera-BN), thermal grade (Therm-BN), cosmetics grade (Cosm-BN), and lubricant grade (Lubr-BN).

 

 

陶瓷級 Ceramics Grade (Cera-BN)

 

用作為耐高壓絕緣制品、鍍鋁用蒸發舟、電子陶瓷添加劑、冶金坩堝、電爐襯套、立方氮化硼合成。

 

Used as high electrical voltage insulating components, evaporator boat for aluminum coating, refractory tube for electrical furnace, additive for electrical ceramics, crucible, and raw material for c-BN synthesis.

產品規格

中位粒徑(um)

純度(wt.%)

雜質含量(wt.%)

振實密度(g/cm3)

BET 比表面(m2/g)

Product

BET Specific

D50 Size

Purity

Impurities

Tap Density

Grade

Surface Area











Cera-BN-A

1-5

>98.5-99.0

B2O3≤0.5-1.0

0.3

12-16





Cera-BN-B

8-11

0.3

10-18

 

導熱級(Therm-BN)

Thermal Grade (Therm-BN)

用作為PA、PE等聚合物及各種熱界面材料的添加劑,增強導熱性能。

Typically used as filler in polymers such as PA, PE and various thermal interface materials to increase their thermal conductivity.

產品規格

Product Grade

純度(wt.%)

Purity

中位粒徑(μm)

D50 Size

BET比表面(m2/g)

BET S.S.A.

電導率(μs/m)

Electrical Conductivity

磁性雜質(ppm)

Magnetic Impurities

Therm-BN-A

>98.0

2-5

12-16

20-30

6

Therm-BN-B

>99.0

8-12

10-18

20-30

6

Therm-BN-C

>99.0

22

2

20-30

6

 

化妝品級(Cosm-BN)

Cosmetics Grade (Cosm-BN)

用作為彩妝類化妝品的添加劑,溫潤且有很好的珠光效果。

Typically used as additive of cosmetics, it is gentle and very pearly.

產品規格

Product Grade

純度(wt.%)

Purity

中位粒徑(μm)

D50 Size

振實密度(g/cm3)

Tap Density

BET比表面(m2/g)

BET S.S.A.

白度

Whiteness

重金屬(ppm)

Heavy metals

Cosm-BN

>99.0

18-35

0.6

1-3

>88

8-10

潤滑級(Lubr-BN)

Lubricant Grade (Lubr-BN)

用作為汽車*潤滑油添加劑、光學玻璃產品脫模劑、鑄造成型和注射成型中的脫模劑、潤滑涂料添加劑

Typically used as additive for high-grade automobile lubricants, demoulding agents for optical glass products, demolding mould discharging agent of casting forming, and injection molding, and additive of lubricating coating.

產品規格

Product Grade

純度(wt.%)

Purity

主要雜質含量(wt.%)

B2O3 Content

中位粒徑(μm)

D50 Size

振實密度(g/cm3)

Tap Density

BET比表面(m2/g)

BET S.S.A.

Lubr-BN

>98.5

≤0.5-1.0

3-25

0.3-0.6

2-18

 



 
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