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R404a

Update Time:2015-12-11
  

R404A

R404Ais a colorless gas under ordinary temperature, and a colorless &transparent liquid under the pressure of itself,     mixedby R125, R134a and R143. It is a long-term substitute for R502, mainly used inthe refrigerating systems of low & moderate temperature.

Properties

 

Unit

R404A

Chemical formula

 

R-134a/R-125/R-32

Molecular weight

g/mol

 

Melting point

-46.1

Critical temperature

72.4

Critical pressure

MPa

3.69

Saturated liquid density (25)

g/cm3

1.045

ODP

 

0

GWP

 

0.35

 

QualitySpecification

Index

Excellent Grade

Appearance

Colorless , not turbid

odor

No strange stench

Purity % ≥

99.8

Moisture % ≤

0.001

Acidity (as HCl) % ≤

0.00001

Evaporation residue % ≤

0.01

Chlorides(Cl-) test % ≤

0.0003

No condensable gas (V/V) % ≤

1.5

 

Packing10.9kg/30p steel cylinders or ISO TANK.

Itmust be kept in cool, dry and well-ventilated places, away from sunshine andrainfall.

 

 

性状用途:

R404A由R125,R134a和R143混合而成,在常温下为无色气体,在自身压力下为无色透明液体,是R502的长期替代品,主要用于低、中温制冷系统。

 

物理性质 :

 

 单位

 R404A

 分子式

 

 R-134a/R-125/R-32

 分子量

 g/mol

 

 沸点

 

 -46.1

 临界温度

 

 72.4

 临界压力

 MPa

 3.69

 饱和液体密度 (25℃)

 g/cm3

 1.045

 ODP

 

 0

 GWP

 

 0.35(HGWP)

 

质量指标 :

 指标名称

 优等品

 外观

 无色、澄清

 气味

 无异臭

 纯度 ( % ≥)

 99.8

 水份( % ≤)

 0.001

 酸度 ( 以HCl计 ) ,( % ≤)

 0.0001

 蒸发残留物 ( % ≤)

 0.01

 氯化物(Cl-) ( % ≤)

 0.0003

 不凝性气体的体积分数 ( % ≤)

 1.5

 

  
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Fotech is a professional supplier and manufacturer of refrigerants and fluorine polymers over 20 years, distributing environmental friendly refrigerant, clean agent fire extinguishing agent, blowing agent, cleaning agent, and high performance new chemical materials...more>