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Material Tests

Test conducted primarily on materials use to make bodies or glazes.

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Tests Simple Clay Evaluation
Tests Solubility
Tests Clay, Silt, Sand Sedimentation Test
Tests Decomposition Temperature
Tests GE Brightness
Tests Carbon content
Tests Bulk Density g/cc (Packed)
Tests Glass Transition Temperature
In ceramic glasses (usually frits) the temperature at which the hard brittle state of the glass changes to the rubber-like state that precedes softening and melting
Tests Density (Specific Gravity)
Measure the density of a dried clay test bar
Tests Co-efficient of Linear Expansion
In ceramics, glazes expand with increasing temperature. Being brittle materials, they must be expansion-compatible with the body they are on.
Tests CEC (meq/100g)
Tests Borate LOI
Tests Heating Microscope Analysis for Frits
Tests Moisture Content - Powder
Tests Frit Melting Range (C)
Tests Frit Softening Point
In ceramics, this is the temperature at which a glaze or glass begins to flow, ceasing to exhibit the properties of a solid.
Tests Liquid Limit
Tests I.F.P. (celsius)
Tests Hardness (Moh)
Tests Oil Adsorption (Spatula)
Tests Pyrometric Cone Equivalent
Make a pyrometric cone out of a clay or material to see what temperature it bends at
Tests pH for dry powder
Tests Reheat Change
Tests Index of Refraction
Tests Soluble Salts
Evaluate and compare the solubles salts content in clay bodies and materials
Tests TGA
This test plots a history of weight changes in a material as it is heated in a kiln
Tests Trace Elements (ppm)
Tests Trace Minerals
Tests Water of Plasticity
A physical data value quoted for plastic materials (clays) used in ceramics to indicate the degree to which they will add plasticity to a body.
Tests Whole Rock Analysis

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