D2426-23 – Standard Test Method Technical GuideadminJune 6, 2026ASTM Standards 📐 Scope and Principle of the Test Method Scope: This test method, designated D2426-23, covers the determination of butadiene dimer (4-vinylcyclo 📥 Standard Documents Download 🔒 Please wait 10 seconds, the download links will appear after the ad loads