The following are recommended tests to determine physical properties of TerraGlas:

• Surface Burning ASTM E 84-87
• Impact Resistance ASTM D256-87
• Flexural Strength ASTM C947
• Compressive Strength ASTM C109-87
• Hardness ASTM D2583-87 (Barcol) or ASTM D785 (Rockwell)
• Thermal Expansion ASTM D696
• Humidified Deflection ASTM C473

Manufacturer's test samples should be representative of actual production procedures and materials. Tests conducted by raw material suppliers or others should detail the procedures and processes used in the preparation of the test samples.