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Method for quantification of the optical properties of transparent or translucent materials (not coulored opaque or metallized). The test method describes the hazing of a film caused by light scattering. A low haze value characterizes a low turbidity equivalent to a good visibility of details of filling goods or labels lying behind or under the film. By increasing the haze value, the "frosted glass effect" increases, i.e. details such as labels are ultimately only recognisable when in direct contact with the film surface. ASTM D 1003 = calibration without compensation port, DIN ISO 13468 = calibration with compensation port. The measured values differ slightly, but the measurements are basically carried out according to the same principle.

test method:optical tests
Norms: ASTM D 1003 (2013-11)
Needed sample size:Minimum 1 x DIN A 4, without folds, wrinkles, scratches, pollution


correlated haze according ASTM 1003-B

haze, transparency and clarity according ASTM 1003-A

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