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What is AASHTO M 20-70 Asphalt Specifications about?

This document outlines the standard specification for Penetration-Graded Asphalt Cement (AASHTO M 20-70, 2004), detailing five penetration grades for use in highway construction. It specifies the preparation, properties, and requirements for asphalt binders, including tests for penetration, flash point, ductility, solubility, and loss on heating. The document emphasizes the importance of maintaining specific standards for quality and performance in asphalt binders.

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sakthikalaifamily

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EN