Measurement of optical and thermal properties of meterials

Α. Measurement of optical properties of materials:

1. Measurement of hemispherical emmitance (ε), according to the ASTM C 1371-04a Standard (*)
2. Measurement of the solar absorptance (α), ccording to the ASTM E 1918-06 Standard (*)
3. Measurement of the solar transmittance(τ), according to the ASTM E 424-71 Standard (*)

B. Measurement of thermal properties:

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