R418a

Molecular Formula

Code: REF-418a

Physical properties

Molecular weight	83.32
Normal boiling point	-39.9
Critical temperature	108.6
Critical pressure	5.093
Latent Heat of vaporation at 25 kJ/kg	190.1
Density at 25 saturated liquid (kg/m3)	1121.0
Density at 25 saturated Vapor(kg/m3)	39.64
Special heat at constant pressure at 25 saturated liquid (kJ/kg.K)	1.377
Saturated Vapor (kJ/kg.K)	0.9506
Heat conductivity saturated Vapor at 30 (mW/m.K)	79.96
Saturated Vapor At-20 (mW/m.K)	9.239
Saturated liquid at 30	0.1536
(mPa.s) Saturated Vapor at -20	0.0106

Quality Standard

Grade	Excellent Grade	1ST. Grade
Purity % min	99.8	99.5
Moisture PPm % max	10	20
Acidity PPm % max	0.1	0.5
Nonvolatile residues % max	0.01	0.02
Vapor phase % Max	1.5	1.5
Complexion	Achronatic turbidlessness	Achronatic turbidlessness
Smell	No uncommonly odors	No uncommonly odors

Usage

R418a is listed as the important environmental protection technique item by EPB and was accepted by SNAP plan of EPA. It is the special saving-energy refrigerant for the central air-condition system. It can be used in all the former system for the R-22.

Character of Use

(1) it is good in all the environmental protection characters;
(2) It is non-toxicity, non-inflammable.
(3) It has higher speed in made cool, and can save energy;
(4) Drop-In, Non Modifying Major Parts of Existing Refrigerating System and Production Line, Reduced Cast

Package

50LB/20kg non-refillable steel cylinders or 320kg/400L refillable cylinders.