---
title: "ASTM C491"
url: "https://mat-cs.com/astm-c491/"
description: "ASTM C491 – Test Method for Modulus of Rupture of Air-Setting Plastic Refractories (Withdrawn 1992)"
---

ASTM Standard Withdrawn 1992

# ASTM C491

Test Method for Modulus of Rupture of Air-Setting Plastic Refractories

[Back to all techniques](/analytical-techniques/)