Work Item
ASTM WK97910
Revision of C421-08(2020) Standard Test Method for Tumbling Friability of Preformed Block-Type and Preformed Pipe-Covering-Type Thermal Insulation
Rationale
C421-08(2020) was balloted for reapproval in fall of 2025 and received one (1) persuasive negative on notes placement.
Work Item Status
Date Initiated: 01-28-2026
Technical Contact: Patrick Noonan