Light Transmittance and Haze Tester for plastics, membrane, coatings and paints
Introduction
Use for test the light transmittance and haze degree of all transparent and semi-transparent parallel plane samples (plastic plate, sheets etc), and turbidity or clarity of liquid samples (water, drinks etc), used in the industries of plastics, membrane, coatings and paints, printing ink, research institute and so on.
Test principle
The equipment is applied to the evaluation of specific light-transmitting and wide-angle-light-scattering properties of planar sections of materials such as essentially transparent plastic.
Two procedures are provided for the measurement of luminous transmittance and haze. haze meter and spectrophotometer. Material having a haze value greater than 30 % is considered diffusing and should be tested in accordance with Practice E 167.
(The values stated in SI units are to be regarded as the standard.)
Standard
ASTM D1003, JISK7105-81, GB 2410-2008