Work Item
ASTM WK74825

Revision of C591-20 Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation


Add a 2 inch cube size requirement to the specimen description for the D1621 and C165 testing required by this standard.


Developed by Subcommittee: C16.22

Committee: C16

Staff Manager: Mary Mikolajewski

Work Item Status

Date Initiated: 11-17-2020

Technical Contact: James Young

Item: 005

Ballot: C16 (21-01)

Status: Will Reballot Item