Work Item
ASTM WK89468

Revision of C547-22a Standard Specification for Mineral Fiber Pipe Insulation


The maximum values for various performance characteristics in Table 1 of ASTM C547 include single-number integers, which permit an excessively large numerical rounding process for test results. This ballot introduces a decimal place behind such integers, with the intent of providing a more reasonable tolerance for test laboratories to determine whether a given sample satisfies those criteria. Only the changes to Table 1 are open for ballot.


Developed by Subcommittee: C16.20

Committee: C16

Staff Manager: Mary Mikolajewski

Work Item Status

Date Initiated: 01-30-2024

Technical Contact: Richard Roos

Item: 000