Permeation of Refrigerants Through Elastomeric and Plastic Hoses E. I. du Pont de Nemours and Company, Incorporated

Format:

Conference/Event

Author/Creator:

Goldman, R. F., author.

Conference Name:

1971 Automotive Engineering Congress and Exposition (1971-01-11 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1971

Summary:

High permeation losses through nitrile rubber hoses have prevented use of refrigerants other than R-12 in automobile air conditioners. Alternate hose materials were evaluated. Two materials were shown to have acceptable permeation loss rates of the two commercial refrigerants which appear suitable for automotive air conditioning. The effect of oil on refrigerant permeation was found to be relatively unimportant. Since two of the refrigerant candidates were azeotropes, R-500 and R-502, the effect of different permeation rates on the mixture composition was studied. Using permeation constants developed in this study, calculations were made of losses from a typical system which showed that permeation losses were small compared to other source losses, such as through fittings or shaft seals

Notes:

Vendor supplied data

Publisher Number:

710039

Access Restriction:

Restricted for use by site license