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BS ISO 22685:2021

$86.31

Refractory products. Determination of compressive strength at elevated temperature

Published By Publication Date Number of Pages
BSI 2021 14
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This document specifies a test method for determining the compressive strength of refractory products at elevated temperature.

This test method could also be used for materials development, quality control, characterization, design and data generation purposes.

NOTE

This document also could be used for determining the compressive strength of carbon containing refractory products at elevated temperature in an airtight furnace with reducing atmosphere.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Apparatus
5.1 Furnace
5.2 Loading device
5.2.1 General
5.2.2 Loading column
5.2.3 Supporting column
5.2.4 Discs
5.3 Deformation measuring device
9 5.4 Calipers
5.5 Electrical oven
5.6 Set square
5.7 Feeler gauge
6 Test pieces
6.1 Sampling
6.2 Dimensions
6.3 Preparation
6.3.1 Shaped refractory products
6.3.2 Dense unshaped refractory products
10 6.4 Dimension checking
6.4.1 Plane of loading surfaces
6.4.2 Parallelism of loading surfaces
6.4.3 Perpendicularity
6.5 Drying and treatments
7 Procedures
7.1 Dimension measurement
7.1.1 Diameter
7.1.2 Height
11 7.2 Installation
7.3 Heating
7.3.1 Test temperature
12 7.3.2 Heating rate
7.3.3 Dwell time
7.4 Loading
7.4.1 Dense refractory products
7.4.2 Insulating refractory products
8 Calculation of results
9 Precision and bias
9.1 Interlaboratory data
13 9.2 Precision
9.3 Bias
10 Test report
BS ISO 22685:2021
$86.31