| Item Description: | As documented in the project summary report, the existing slurry materials are not recommended for main lane applications because of an unacceptable drop in skid resistance. To address this a new specification is proposed and included in this tech memo. The main change with this test is the use of the 3-wheel polisher and Dynamic Friction Tester to demonstrate that the proposed slurry can retain 90% of its skid value after 10,000 applications of the polisher. Such a slurry is not currently available and will need additional research by either the company marketing the material or university researcher. Once an acceptable material is found in laboratory testing, it will need to be demonstrated in the field using the small-scale testing techniques developed in Project 5-6615-01-R1. |
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