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Dry vs. Lye-Solution Storage of Milking Machine Rubber Inflations¹

Department of Dairy, Michigan State University, East Lansing

ABSTRACT

Milking machine rubber inflations deteriorate at an accelerated rate as a result of the absorption of fats during milking. This fat absorption and extraction by and from various natural and synthetic rubbers have been studied by several workers (1-5) who, in general, showed the damaging effects of fat on rubber and the benefits of lye storage.

Milking machine inflations undergo changes in size, shape, and composition as a result of use and storage during use interims. The rapidity with which these changes take place determines the useful life of inflations. If this period of usefulness could be prolonged by improved storage conditions, the savings effected thereby to the milk producers would be of incalculable value. To this end. a long-range, farm-use storage study was made with different brands of natural and Perbunan rubber inflations. The effects of dry vs. lye-solution storage on the deterioration and life of milking machine rubber inflations were compared.

¹ Authorized for publication as Journal Article No. 2414 of the Michigan Agricultural Experiment Station.