Lewco Specialty Products has in-house capabilities to perform industry standard tests on textile and insulation materials per the below ASTM test methods.

A complete current list is as follow:

• ASTM C177^*, Thermal conductivity from -148°F to 1200 °F
• ASTM C518^*, Thermal conductivity from 50°F to 190 °F
• ASTM D737^*, Air permeability
• ASTM C1511, Liquid water retention
• ASTM C1763, Water absorption by immersion
• ASTM C356, Linear shrinkage

^*These testing services are available for external clients.