Zhejiang Sanmei Chemical Industry Co., Ltd.
Zhejiang Sanmei Chemical Industry Co., Ltd.
Zhejiang Sanmei Chemical Industry Co., Ltd.
 Anhydrous hydrogen fluoride
 Industrial hydrofluoric acid
Zhejiang Sanmei Chemical Industry Co., Ltd.

Difluorochloromethane (R22)
Chlorodifluoroethane
   (1-chloro-1,1-Difluoroethane)
   (HCFC-142b)

Difluoromethane(HFC-32)
Mixed refrigerant R406a
Difluoroethane(HFC-152a)
Trifluoroethane(HFC-143a)
1,1,1,2-Tetrafluoroethane R134a
Trifluoromethane

Zhejiang Sanmei Chemical Industry Co., Ltd.
Dichlorofluoroethane
    (1,1-Dichloro-1-fluoroethane)
    (HCFC-141b)
Zhejiang Sanmei Chemical Industry Co., Ltd.
 Ammonium bifluoride
 Ammonium fluoride
 Fluoroboric acid
 Reagent Ammonium Bifluoride
 Reagent Ammonium Fluoride
 Fluorosilicic acid
 Reagent Hydrofluoric Acid
 Reagent Fluoroboric Acid
 Potassium fluoroborate
Zhejiang Sanmei Chemical Industry Co., Ltd.
Hydrochloric acid
 Calcium sulphate
    (plaster residue)
Zhejiang Sanmei Chemical Industry Co., Ltd.

Add.: Huchu Industrial Zone, Qingnian Rd., Wuyi County, Zhejiang Prov., China.
Tel:0086-579-87641888
Fax:0086-579-87646868
E-mail:
    sales@sanmeichem.com

Web:    http://www.sanmeichem.com

 

Difluoromethane

1.Product:

difluoromethane R32
Molecular weight 52.02
BP,¡ãC -51.7
Ice point ¡ãC
Critical temperature ¡ãC 78.52
Critical pressure , MPA 5.808
Density of saturated liquid 25¡ãC(g/cm 3 ) 0.960

2.Property of chloride:

Specific heat of liquid 25,[KJ/(Kg¡¤)] 2.35
Specific heat of equipressure steam(Cp),25 and 101.3kPa[KJ/(Kg¡¤)] 0.44
ODP 0
GWP 0.11
Critical density g/cm 3 0.430
Vaporization heat under BP,KJ/Kg 390.5

3.Packing

recyclable steel cylinder 670kg/926L
Purity%¡Ý 99.8
Moisture,%¡Ü 0.002

4.Quality standard

Acidity,% ¡Ü 0.0001
Residue on evaporation ,% ¡Ü 0.01
Appearance colorless , no cloudy
Odor no smell

[Uses] : refrigerant , can replace R22

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