Measurement of optical and thermal properties of materials

Measurement of optical properties of materials
1. Measurement of hemispherical emmitance (ε), according to the ASTM E 408-71 Standard (*)
2. Measurement of the solar absorptance (α), according to the ASTM E 1918-06 Standard (*)
3. Measurement of the solar transmittance(τ), according to the ASTM E 424-71 Standard (*)

Measurement of thermal properties:
1. Thermal conductivity of insulating and structural materials according to the ISO 8302:1991 Standard1 (*)
2. Apparent bulk density of cellular plastics and rubbers according to the EN ISO 845 Standard (*)

(*) Not included in the scope of accreditation