R141b Cleaning Agent

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Product Description:


Good Quallity;
Competitive Price;
Cleaning Agent;
Foaming Agent


R141b (HCFC-141b) is the leading substitute blowing agent for CFC-11 in rigid foam insulation materials which are widely used for residential and public constructions, home applications and transport vehicles.





Chemical   formula


Molecular   weight



Boiling Point   101.3 KPa(°C)



Freezing Point   101.3 KPa(°C)



Critical Pressure



Critical   Temperature (°C)



Saturated   liquid density (25°C)



Specific heat (25°Cliquid)







Quality Specification:


Quality   Performance


Bright &   Clear Liquid


No strange   stench

Purity %≥


Moisture %≤


Acidity(as HCL)   %≤


Evaporation   residue %≤


Chlorides(Cl-) test %≤


R141b Packing: 13.6kg/30lb; 30kg, 250kg drum.

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Q:What is the position of Fischer-Tropsch synthetic hydrocarbons in Nazi Germany's military industry?
The traditional FT synthesis method of the product of heavy hydrocarbon content is high, the composition is complex, so the combustion efficiency is not optimistic. Germany is in view of the supply of oil is less than consumption (loss of production areas and lack of refined production capacity) was forced to take the FT technology to add (Germany's local coal reserves larger). So the FT fuel in the World War II Germany's energy system accounted for little, the specific data is still controversial, there are 15% and 25% said.
Q:What is the difference between hot and cold asphalt?
According to the time analysis, municipal companies should use the cold asphalt cold material, is the winter road maintenance of commonly used materials. In the long winter, the asphalt pavement works because of the temperature (less than 5 degrees is strictly prohibited construction), is very little construction, even if the construction, the quality is higher than the temperature when the construction is worse (asphalt mixture cold fast, easily lead to compaction The lack of pressure on the pressure, and prone to cohesive, poor water quality problems such as water), because no demand or demand is small, this time the major asphalt mixing field have a holiday home to the New Year. But the road will be the same as the winter disease, pit and other small diseases are not treated in time, easy to evolve into a large disease, there may be dangerous roadbed, running up the driver also curse, out of the accident maintenance department also bear responsibility, so the winter road Also need to maintain. At this time asphalt cold feed came into being, asphalt cold feed is used aggregate (graded gravel) plus dehydration asphalt plus diesel and additives mixed with the construction of the temperature requirements, the pits filled with pavement , Such as diesel fuel has finished bitter gluing together, but the construction quality is not good, no hot mix asphalt dense. So the winter is approaching, the road maintenance department will need to mix a few tons of asphalt cold feed sealed (to participate in 25kg rice), there are pits to pull a few bags to fill, and so on these problems when the pit and digging with the heat Mixed with asphalt material repair. In summary, the asphalt cold feed is a special winter pavement pit repair using the material, the construction process and hot mix asphalt material is roughly the same, but the construction quality is relatively poor, is a special time emergency measures, very useful materials.
Q:Why does toluene not belong to the derivatives of hydrocarbons?
Hydrocarbon: sound tīng, is composed of two elements of carbon and hydrogen organic compounds known as hydrocarbons, also known as hydrocarbons. It reacts with chlorine, bromine, oxygen and other hydrocarbons to produce derivatives of hydrocarbons. Such as methane and chlorine in the light conditions of reaction to produce methyl chloride, dichloromethane, chloroform and chloroform (carbon tetrachloride) and other derivatives. The concept of derivatives is hydrocarbon and chlorine, bromine, oxygen and other reaction products. While toluene is not methyl and benzene, she is a whole noun is aromatic. Also known as aromatic hydrocarbons. Generally have one or more six-ring (benzene ring) with a special structure. The simplest aromatic hydrocarbons are benzene, toluene, xylene. There is also naphthenes. As the name suggests it is a ring structure. The most common is the five carbon atoms or six carbon atoms of the ring, the former called cyclopentane, which is called cyclohexane. The molecular formula of the cycloalkane is of the formula CnH2n. Cycloalkane is also called cycloalkane hydrocarbons. And alkanes. Is a carbon atom between the single bond phase chain hydrocarbon. Since the number of atoms that make up the hydrocarbon and hydrogen is different, the result is that the petroleum contains hydrocarbon molecules with large and small differences. Alkanes are named according to the carbon atoms and numbers contained in the molecule, and the number of carbon atoms is less than 10, from 1 to 10, followed by a, B, C, D, E, G, Alkane to say that the number of carbon atoms in more than 11, with the number that thank you to adopt
Q:What are the inorganic compounds
The inorganic compound is a compound other than an organic compound. Organic compounds are organic matter containing C (carbon), in addition to CO2, carbonated, carbonate-containing.
Q:What are the gaseous states of the oxygen-containing derivatives of the hydrocarbons under the standard conditions?
Halide only fluoride in normal temperature and pressure may be gaseous;
Q:Identification of Derivatives of Chemical Hydrocarbons in High School
Give you a formula: halogen water consumption, alcohol sodium oxygen consumption, phenolic acid picking, aldehyde plus oxidation.
Q:Why the silicon hydride less, a lot of hydrocarbons.
You know silane bar, SiH4, this thing will be spontaneous, very unstable
Q:Is the number of hydrogen atoms in the hydrocarbon or hydrocarbon derivative molecule be even
Other hydrocarbon derivatives are not necessarily, such as halogenated hydrocarbons containing odd halogen molecules, containing an odd number of N atoms containing C, H. O, N four elements of the compound, their number of hydrogen atoms are odd.
Q:What is the organic compound in high school chemistry?
Not without hydrogen, there must be C, but the material containing C is incomplete organic matter. Like H2CO3 and carbonate
Q:What is the aromatic hydrocarbon
Aromatic hydrocarbons referred to as "aromatic hydrocarbons", refers to the molecule containing benzene ring structure of the hydrocarbons. Is a closed chain.

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