white carbon black uesd in super conductive carbon black with high quality and low price

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Qingdao
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TT OR LC
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Supply Capability:
20000 m.t./month

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Product Description:

Specifications

aerosil fumed silica
Amorphous high decentralize of nano powder
larger specific surface area
higher surface activity

white carbon black A150 amorphous fumed silica  

production:

Fumed silica is made by the hydrolyzed chlorosilane with high temperature in hydrogen and oxygen blaze. It is a kind of inorganic fine chemical products which is white, nonpoisonous, odourless and amorphous

the technology specification:

Item

A150

A 200

A 380

Specific surface area m2/g (BET way)

170±20

210±20

380±20

PH value(suspension liquid4%)

3.6~4.5

3.6~4.5

3.6~4.5

Heating loss weight(2 hour,105°C) % max

1.5

1.5

1.5

Burning loss (one hour 1000°C)weight % max

1

1

1

SiO2 wt.% min

99.9

99.9

999

Al2O3 wt.% max

0.03

0.03

0.03

Fe2O3 wt.% max

0.05

0.05

0.05

TiO2 wt.% max

0.03

0.03

0.02

Application

Chemical industry: applied in production of high-temperature vulcanized silicone rubber and unsaturated resins

Medical industry: Pharmaceutical powder and flake preparations, medical silicone rubber

Construction industry: applied in production of RTV silicone rubber, silicone neutral glue, paint

Automotive industry: Automotive ground coat paint

Textile industry: Silicone resin defoamers

Electronic communication: Capacitor encapsulant

Aerospace: Aerospace adhesives

Other industries: Senior inks, cosmetics, silicone grease and electrical grade magnesium oxide powder

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Q:What is catalyst in Science?
not all catalyst are enzymes. There are biological catalysts as well as non biological ones catalysts are something that speeds up the rate of a chemical reaction without itself getting altered after it. for example an enzyme is a catalyst because it speed up the rate of food digestion (by breaking down food molecules) and doesn't get altered after the reaction.
Q:How does the catalyst affect chemical balance?
Negative catalyst increases the activation energy, so that the reaction time becomes longer
Q:The concept of catalyst in high school chemistry
The catalyst is selective, that is, a catalyst that catalyzes only one or more chemical reactions and does not catalyze all chemical reactions. However, a chemical reaction of the catalyst may be a variety of, such as hydrogen peroxide to produce oxygen in the reaction, in addition to the use of manganese dioxide as a catalyst, you can also use copper oxide, iron oxide as a catalyst. Building on the use of cement, red brick powder also catalyze the decomposition of hydrogen peroxide.
Q:What is the difference between the conditions in the iron as a catalyst can not be reacted with toluene to produce tribromotoluene?
The concentrated bromine water is a bromine aqueous solution and the liquid bromine is pure bromine. Only liquid bromine can produce tribromotoluene, and to add iron powder as a catalyst, and the main production is to lead bromotoluene and p-bromotoluene, tribromotoluene this content is very small.
Q:What is the difference between biological enzymes and chemical catalysts?
The biological enzyme is a class of molecules with moderate molecular weight in the living cells. It is a natural macromolecule catalyst in nature because the enzyme and the reactants are more specific than the reaction of the catalyst with the chemical synthesis of the catalyst (1) High efficiency (2) selectivity good by-product less (3) mild reaction conditions and so on
Q:Hydrogen and oxygen in the role of the catalyst can do the chemical formula of aviation fuel?
2H2 + O2 = catalyst = 2H2O
Q:The best use of chemical catalysts
Do not know what you want to use the best thing is what the catalyst is generally used in the process, there will be an initial induction period, the catalytic activity is relatively low, and then reached a stable catalytic state, this paragraph is generally called the catalyst life, the final Due to poisoning, active ingredient aggregation and so on factors, the catalyst activity will be reduced, then need to replace the new catalyst
Q:Related to the issue of chemical catalysts, experts into the !!!
Hydrogen peroxide → water + oxygen (arrows on the manganese dioxide, as a catalyst)
Q:What is the reaction in chemistry?
Industrial production of ammonia, ethanol, industrial synthesis of ammonia, ethanol catalytic oxidation, acetaldehyde oxidation into acetic acid, ethyl acetate preparation, the transformation of automobile exhaust, benzene substitution reaction and addition reaction, some other addition reaction of hydrocarbons, Ethanol dehydration to produce ethylene and so on
Q:How the catalyst accelerates the chemical reaction
Reduced the activation energy required to reflect

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