D494-11 – Standard Test Method Technical Guide

The D494-11 (Reapproved 2019) standard, under the jurisdiction of ASTM Committee D20, provides a definitive method for determining acetone-soluble matter in phenolic molded or laminated products. This test serves as a critical comparative indicator of the degree of cure and material composition.

🧪 Scope and Significance of Testing

This test method applies to the determination of the amount of acetone-soluble matter in molded or laminated phenolic products. Per the scope, values stated in SI units are regarded as standard. This test method is similar to ISO 308 and follows internationally recognized standardization principles.

For molded phenolic products, acetone extraction is a quantitative expression of a property associated with degree of cure