BRANDS

KOMAN' S REFRIGERATION

Ningbo Koman' s Refrigeration Industry Co.,LTD, is specialized in producing the substitute of CFC and blended environment-protective refrigerant such as R404A, R406A, R407C,R408A, R409A, R507 and pure refrigerants such as R600A, R134A, R124, R125, R22, R142B, R32, R143A, R141B etc. With high quality, competitive prices and professional services, our products are selling throughout all over the world, especially in Europe, Middle East, Asia, South America, and our brand Koman's enjoys very good reputation.

R22 REFRIGERANT

Chlorodifluoromethane(HCFC-22), a colorless gas at room temperature, is a colorless, non-toxic, nonflammable and transparent liquid under the pressure created by itself. It has excellent thermal and chemical stabilities and no corrosivity to metals. Its main applications include refrigerant (-80 grade), raw materials for PTEE production and intermediate for Halon 1211 production. Physical Properties: Formula:CHClF 2 Boiling Point (101.3KPa,): -40.8 Critical Temperature : 96.0 Critical Pressure KPa: 4978 Density kg/m 3 : 1172.8

R404A REFIRGERANT

R-404A is a blend refrigerant of HFC125, HFC-134a and HFC-143. AlliedSigal Inc.??s patent number is AZ-50. It is a long life substitute of R502, harmless to Ozone. It is mainly used in Iow and middle central commercial air re-frigeration system. Typical Properties: Formula: OH F2CF3/CF3OH2F/OH3CF3 Boiling Point (101.3KPa, ~C): -46.1 Freezing Point (~C): -- Critical Temperature (~C): 72.4 Critical Pressure (KPa): 3688.7 Liquid Density (kg/m3): 1017.2 ODP: 0 GWP: 0.35

R134A

tetrafluoroethane R134A,Mainly it is a substitute of R12. R134A Typical Properties: Molecular weight 102.03 BP, -26.1 Ice point - Critical temperature , 101.1 Critical pressure ,Mpa 4.07 Density of saturated liquid25 ,(g/cm 3 ) 1.207 Specific heat of liquid 25 ,[KJ/(Kg )] 1.51 Solubility(water,25 )% 0.15 ODP 0.000 GWP 0.29 Critical density,g/cm 3 0.512 Vaporization heat under BP,KJ/Kg 215.0

R407C

R-407C is a blend refrigerant of HFC32, HFC-125 and HFC-134a. It is a long life substitute of R22, harmless to Ozone. It is used in various of air conditioner, and non-centrifugal refrigeration system. Typical Properties: Formula: CH2FJCHF2CF3/CF3CH2F Boiling Point (101.3KPa, ~C): -43.6 Freezing Point (~C): -- Critical Temperature (~C): 87.3 Critical Pressure (KPa): 4820.0 Liquid Density (kg/m3): 1129.3 ODP: 0 GWP: 0.66

R410A

R410A, a colorless gas at room temperature, is a blend refrigerant of R32 and R125.It becomes transparent liquid under the pressure created by itself. Mainly it is a substitute of R22, used in air conditioning and refrigeration system. Physical Properties: Formula: CH2F2/CHF2CF3 Molecular Weight: 72.58 Boiling Point (101.3KPa, ~C): -52 Critical Temperature (~C): 72.2 Critical Pressure (KPa): 4964 Liquid Density (25C,g/cm3):1.066 ODP: 0 GWP: 0.29 Quality Standard: Purity, %?99.5 Moisture, ppm?10 Acidity, ppm?1 Vapor Residue, ppm?100 Appearance, Colorless

R417A

Product: R417A Quality Standard: Purity, %?99.8 Moisture, ppm?10 Acidity, ppm?0.1 Vapor Residue, ppm?100 Appearance, Colorless

R600A

Isobutane R600A ,Mainly it is a substitute of R12. Typical Properties: Molecular weight 58.12 BP, -11.80 Ice point - Critical temperature , 134.98 Critical pressure ,Mpa 3.66 Density of saturated liquid25 ,(g/cm 3 ) 0.551 Specific heat of liquid 25 ,[KJ/(Kg )] 2.38 Solubility(water,25 )% - ODP 0 GWP 0.1 Critical density,g/cm 3 0.221 Vaporization heat under BP,KJ/Kg 366.5