TXI Expanded Shale & Clay - Physical Properties and Specifications

TXI expanded shale and clay (ES&C) is a high friction angle granular material that is inert, durable, and highly insulative. It is also free draining and will not decompose or become soluble in water. These and other properties make it an ideal building material for numerous geotechnical and construction projects.


Maximum Dry Density 50 - 60 pcf

Maximum Wet Density 65 - 70 pcf

Unit Weight 45 - 70 pcf

Cohesion Zero

Plasticity Index Zero (non-plastic)

Specific Gravity 1.5 - 2.5

LA Abrasion Loss less than 40 percent

Angle of Internal Friction 40 - 60 degrees

Thermal Conductivity 0.08 - 0.10 BTU/hr ft °F

Sulfate Soundness Loss less than 10 percent

 

 

 
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