Refrigerant R409a

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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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Specifications

1.Outstanding performance
2.Perfect quality and reasonable price
3.All different kinds of packages
4.Delivery fast
5.OEM

Mixed Refrigerant R409A

Property and Application

R409a by refrigerant R22,refrigerant R124 and refrigerant R142b mixed and become,at normal temperature colorless gas,in their own pressure colorless transparent liquid,is the substitute R12,mainly used in refrigeration system,the low temperature commercial refrigeration equipment.

Property of chloride

Molecular Weight

97.4

B.P

-34.5°C

The critical temperature

-°C

Critical temperature

106.8°C

Critical pressure

4.69Mpa

Saturated liquid density(30°C)

1.216g/cm3

Liquid heat(30°C)

0.29KJ(Kg. °C)

Constant pressure steam heat(Cp)(30°Cand101.3kpa)

0.17 KJ(Kg. °C)

ODP

0.039

Quality Standard

Appearance

Colorless,transparent

Odor

Slight ether

Purity

99.5%

Water PPM

10

Acidity PPM acuities

0.1

Residue on evaporation

0.01%

PACKAGE

Specification

30lb Disposable Can

926LNon-disposablecan

ISO-TANK

Net Weight(KG)

13.6

900

18000

Size(mm)

/

/

/


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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:China's largest asphalt production base where
Oil asphalt is the residue after distillation of crude oil. According to the degree of extraction of different, at room temperature into a liquid, semi-solid or solid. Oil asphalt color black and shiny, with a high temperature. Because it is in the production process has been distilled to 400 ℃ or more, and thus contain little volatile components, but there may still be high-molecular hydrocarbons without volatile, these substances are more or less harmful to human health.
Q:What is carbohydrate? What is organic? What is it?
Compounds associated with the body (a few of the body-related compounds are inorganic compounds, such as water), usually carbon-containing compounds, but some simple carbon compounds such as carbon monoxide, carbon dioxide, carbonates, metal carbides, cyanides And so on. In addition to carbon containing elements, the vast majority of organic compounds containing hydrogen molecules in the molecule, and some also oxygen, nitrogen, halogen, sulfur and phosphorus and other elements. There are nearly 6 million organic compounds known. In the early days, organic compounds were substances that were obtained from animals and plants. Since 1828, the boundary between organic matter and inorganic matter disappears after artificial synthesis of urea [(NH2) 2CO], the term "organic" is still used for historical and customary reasons. Organic compounds are of great importance to humans, and all forms of life on earth, mainly composed of organic matter. For example: fat, amino acids, protein, sugar, heme, chlorophyll, enzymes, hormones and so on. Biological metabolism and biological genetic phenomena, are related to the transformation of organic compounds. In addition, many substances closely related to human life, such as oil, natural gas, cotton, dyes, chemical fiber, natural and synthetic drugs, are organic compounds.
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:What is organic matter? Candle is organic?
Candle chemical formula: C2H2 so candle is organic
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:Sodium can be used to identify derivatives of hydrocarbons
The alcohol reacts with sodium. (Such as phenolic C6H5OH, cresol CH3C6H4OH, etc.), carboxylic acids (such as formic acid HCOOH, acetic acid CH3COOH, etc.) (description: hydroxyl groups in the carboxylic acid are hydroxyl groups in the carboxyl group) and hydroxyl groups containing polyhydroxyaldehydes and polyhydroxy ketones Such as glucose, fructose, etc.)
Q:Is acrylamide an oxygen-containing derivative of hydrocarbons?
There are many kinds of oxygen-containing derivatives of alcohols which can be classified into alcohols, phenols, aldehydes, carboxylic acids and esters, etc. The nature of the oxygen-containing derivatives of hydrocarbons is determined by the functional groups, and the nature of the organic compounds can be used to synthesize the oxygen- There is no organic matter to meet our needs.
Q:Is it possible to understand that organic matter is contained in the heat of inorganic matter?
Inorganic matter with carbon after, as if with their own ideas, began to build their own. So slowly evolved into a complex organic matter
Q:Why is dry ice not organic?
Inorganic compounds are pure metals that do not contain carbon and a collection of simple carbon compounds such as carbon monoxide, carbon dioxide, carbonates, carbonates and carbides.

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