Abstract
Abstract There appears to have been no substantial improvement in the degree of correlation between laboratory abrasion tests and service tests on rubber tires since the 1931 Symposium on Abrasion Testing of Rubber. The limitations with respect to compounding variations are essentially the same today as then. The data on rubber products other than tires are too few to permit any conclusion to be drawn. The reasons for the failure of laboratory tests to correlate with road results are many and varied. Some of these are listed in this report. They represent not only weaknesses in the laboratory procedures but also difficulties in standardizing service tests. A better laboratory test method should incorporate the following features: 1. Cushion the test-specimen to minimize the modulus effect. 2. Provide means to prevent gumming of the abrasive. 3. Provide means to conduct the test over a range of temperatures. 4. Slow the rate of wear, partly by abrading intermittently and partly by use of less load and duller abrasive. 5. Use a test-specimen of a size which can be cut from a tire tread if desirable.
Published Version
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