R141b for Cleaning

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 1000MT m.t./month

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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

Q:NH4HCO3 and so have C atoms ah, why still inorganic: Organic definition is not all elements, if only look at carbon atoms, then graphite and carbon dioxide are also areas of organic matter, so this is not the case. In general, organic matter is defined as containing atomic elements, which can be combusted, low density, low melting point, strong volatility, poor solubility in water, etc., which are composed of carbon atoms and covalent bonds.

Q:Organic organic compounds are organic matter?: Organic polymer compounds are organic matter

Q:Ionic compounds, covalent compounds, electrolytes, non-electrolytes, which are both compounds and inorganic compounds: They are different concepts -

Q:Why artemisinin and its derivatives in the molecular structure of a peroxide chain, the chemical properties are more stable?: Artemisinin is relatively stable, is relative to other organic peroxide in terms of, in general, most of the organic peroxide instability, heating easily decomposed, and some even easy to burn the explosion, such as dibenzoyl peroxide, but crystal cyan Artemisinin heating to the melting point does not break down, has been considered stable.

Q:How the most primitive life on earth is produced under what conditions: Girl empty bird, YY out drop

Q:What is the difference between organic matter and inorganic matter?: Organic matter that organic compounds. Carbon compounds (carbon monoxide, carbon dioxide, carbonates, metal carbides and other rare carbon compounds excluded) or hydrocarbons and their derivatives in general. Organic matter is the material basis for life.

Q:Compare the difference between London smoke and Los Angeles photochemical smog: Los Angeles photochemical smog nitrogen content and hydrocarbons and derivatives more, mainly close to the car exhaust. Foggy London situation related to coal, soot solid particles and sulfur oxide more. Foggy London is more bleak, and Los Angeles is more toxic.

Q:Junior high school chemistry knowledge, please explain what is organic compounds, inorganic compounds.: 3. Organic matter is generally insoluble in water, soluble in organic solvents, low melting point. The vast majority of organic matter heat easily decomposed, easy to burn. The reaction of organic matter is generally slow and often accompanied by side effects.

Q:Are hydrocarbons are hydrocarbons and that alcohols? Is it carbon dioxide?: Hydroxyls are directly attached to charcoal and alcohols are derivatives of hydrocarbons.

Q:Are the asphalt and peat kinds of vegetables have heavy metal?: 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.

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