Experience of one railroad company with use of polyurethane foam insulation in refrigerator cars and trailers over last 10 yr; originally requiring several days, in-place foaming now takes less than 1 hr; foam-insulated trailers leak 9900 Btu/hr at 100 F temperature differential compared with 15,000 for nonfoam trailers; refrigerator cars can now safely carry perishables coast to coast in any ambient temperature with inside temperature from below zero to 70 F; 60-ft, 100-ton car contains over 3800-lb rigid urethane foam of density 2 to 20 lb/cu ft.


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    Title :

    Cellular plastics in railroad refrigerator cars and piggyback trailers


    Additional title:

    J Cellular Plastics


    Contributors:

    Published in:

    Publication date :

    1966


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Highway trailers on railroad flat cars from traffic viewpoint

    Sampson, H.R. | Engineering Index Backfile | 1951


    Pennsylvania railroad refrigerator cars

    Engineering Index Backfile | 1917


    Geography of railroad piggyback operations

    Schwind, P.J. | Engineering Index Backfile | 1967