Refrigerant R409a

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Shanghai
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TT OR LC
Min Order Qty:
-
Supply Capability:
1000MT m.t./month

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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: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: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 is red coral red?
Calcium coral is the main component of calcium carbonate, in addition to about 3% of magnesium carbonate and 1.5% to 4% of organic matter, and trace amounts of silicon and iron. The presence of organic matter increases the toughness of corals, making it better for processing and polishing. Calcium coral colors are mostly white or gray, but when it contains a considerable amount of different impurities, it is possible to show red, pink, orange, yellow, blue, purple and other colors. Therefore, by the living environment and many other factors, the same kind of coral can have different colors, and different types of corals and stars showing the same color. Red coral is really because of carotene.
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 can hydrocarbons crack to carbon and hydrogen at high temperatures?
It is almost impossible for this problem to look at your reaction conditions. Generally speaking, the alkane reaction is mainly difficult to decompose directly into ions
Q:High school chemical hydrocarbons with hydrocarbon derivatives with water solubility
The amount of forgotten, just remember the carbon six rings
Q:Are hydrocarbons are hydrocarbons and that alcohols? Is it carbon dioxide?
Should be a hydroxy compound.
Q:Why can organic matter be unique in chemical substances? What is the nature of the C atom?
To give a reason, the current production of more economical temperature control is limited.
Q:Hydrocarbon and hydrocarbon derivatives system information! The
Hydrocarbon derivatives
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.

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