LOI (100-1000C)

ASTM-20
The weight lost by a ceramic compound during firing. The loss is due to water and organic materials that turn to gases. It is assumed the sample has been boil dried. Some labs also do 25-100C LOI.

For a detailed test procedure, see the LDW test.

Related Information

Links

Articles	Simple Physical Testing of Clays Learn to test your clay bodies and clay materials and record the results in an organized way, understanding the purpose of each test and how to relate its results to changes that need to be made in process, recipe and materials.
Tests	Borate LOI
Tests	LOI/Density/Water Content LDW LOI, density and water content test procedure for plastic clay bodies and porcelains
URLs	http://en.wikipedia.org/wiki/Liquid_limit Atterberg Limits on Wikipedia

Articles

Simple Physical Testing of Clays
Learn to test your clay bodies and clay materials and record the results in an organized way, understanding the purpose of each test and how to relate its results to changes that need to be made in process, recipe and materials.

Tests

Borate LOI

Tests

LOI/Density/Water Content
LDW LOI, density and water content test procedure for plastic clay bodies and porcelains

URLs

http://en.wikipedia.org/wiki/Liquid_limit
Atterberg Limits on Wikipedia

By Tony Hansen
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