R141b for Cleaning

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Shanghai
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TT OR LC
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Supply Capability:
1000MT m.t./month

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Product Description:

1.Properties and Applications:

is a colorless and transparent liquid at room temperature.It has low ODP value and excellent chemical stability.Since its physical and chemical properties are similar to those of CFC-11,CFC-113,it can substitute CFC-11 as foaming agent for rigid or soft PU foam ,or CFC-113 as metal cleaner and solder -remover as well.

It has following characteristics:

1).Chemical Stability: It is stable while stored at roon temperature and will not decompose.

2).It can dissolve in most organic solvents, alcohol and ether.It has excellent compatibiity with grease and lubricant ,and no abvious effects on most polymers including plastic an rubbers.

3).HCFC-141b is not irritate to human skin and eyes ,but inhale HCFC-141b of high concetration eill cause anesthesia.

4).HCFC-141b is flammble ,and should be stored in well-ventilated place without flame.

2.Physical and  Chemical Properties:

Chemical formula:CH3CFCL2

Molecular weight :116.9

Boiling point,°c:32.05

Critical temperature,°c:204.15

Critical pressure,MPa:4.25

Melting point °c:-103.5

Vapor pressure,25°c:707 mm Hg

Vapor density,(air=1):4

Flammablity limit(air%):7.6-17.7

Solubility in water,25°c:2.6g/l

3.Quality Specification

Purity,%:99.8

Moisture,ppm:30

Acidityppm:0.1

Vapor Residue:100

Appearance:colorless, not turbid

Odor:Odorless

4.Features:
1) Odor: slight ethereal
2) Form: liquefied gas
3) Color: clear, colorless
4) Purity: min. 99.9%
5) Acidity (as HCL): max. 1.0ppm
6) Virulence(TLV): none
7) Advantages: high efficiency, safe, energy saving, environmentally friendly,
   economical


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Q:Organic organic compounds are organic matter?
The polymer compound is covalently bonded to each other by thousands of atoms to form a compound having a relatively large molecular mass and having a repeating structural unit. But the number of repeating units in the preparation process is often not the same, so that the organic polymer compound is a mixture of the argument is not wrong, of course it is organic matter which is beyond doubt.
Q:The problem of system naming of hydrocarbon derivatives
Halogen can be named after the alkane, the other can not
Q:What is the difference between crude oil and asphalt?
Difference: Asphalt is composed of different molecular weight hydrocarbons and non-metallic derivatives of dark brown complex mixture, is a high viscosity organic liquid, was liquid, the surface was black, soluble in carbon disulfide. Asphalt is a waterproof moisture and corrosion of organic cementitious materials. Asphalt can be divided into coal tar pitch, petroleum asphalt and natural asphalt three: Among them, coal tar pitch is a by-product of coking. Petroleum asphalt is the residue after distillation of crude oil. Natural asphalt is stored in the ground, and some of the formation of ore or in the crustal surface accumulation. Asphalt is mainly used for coatings, plastics, rubber and other industries and pavement and so on. Crude oil (44.27,0.27,0.61%) is the upstream raw material of asphalt, there is a strong correlation between the two prices. For the asphalt industry, the impact of the upstream industry is mainly reflected in the fluctuations in crude oil prices, crude oil processing capacity changes in oil asphalt production and product prices fluctuations. From the downstream demand point of view, asphalt products are mainly used in highways, municipal roads, bridges and airports and other places of the laying of which highway construction for the consumption of asphalt accounted for 82%. In the case of a certain capacity, the increase in downstream demand will further promote the growth of asphalt prices, on the contrary, will bring the price down.
Q:Peracetic acid is not
A series of compounds produced by the substitution of hydrogen atoms in other molecular or atomic groups as hydrocarbon derivatives, peroxyacetic acid is CH3COOOH, and should be considered
Q:Why not ah?
A series of compounds in which a hydrogen atom in a hydrocarbon molecule is replaced by another atom or radical is called a derivative of a hydrocarbon
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: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 isomeric structure of oxygen-containing derivatives?
Play the Transformers. As long as the same molecular formula, you can group out how many different structures, there are a number of isomers.
Q:What is organic compounds?
2. Previously, the known organic matter is obtained from animals and plants and other organisms, so this kind of compound is called organic matter. To the 1820s, scientists have used inorganic synthesis of many organic compounds, such as urea, acetic acid, fat, etc., to break the organic matter can only be obtained from the organic concept. However, due to historical and customary reasons, people still use the name of organic matter.
Q:Is steel not organic synthetic material?
Steel is a mixture, the vast majority of elemental iron, also contains other elements, carbon is mixed in the inside, and did not constitute a compound.

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