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ASMT D1003 Standard Test Method for Haze and Luminous Transmittance of Transpare
The file type:.exe Time to update:2018-05-02
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Haze ASTM D1003

Haze and Luminous Transmittance of Transparent Plastics ASTM D1003


Haze is the scattering of light as it passes through a transparent material, resulting in poor visibility and/or glare. Haze can be inherent in the material, a result of the molding process, or a result of surface texture. Haze can also be a result of environmental factors such as weathering or surface abrasion. Luminous Transmittance measures the amount of light that passes through a sample. Thus haze and transmission measurements can be useful in product development, process development, and end use performance testing.

Test Procedure:

After specifying the illuminant, observer angle, and the reference color, the test sample is inserted into the specimen holder, and the haze meter takes the reading. Three readings should be taken and the results averaged.CHNspec Haze Meter CS-700 and TH-100 Ecnonmic Haze Meter is highly recommend for usage.

Specimen size:

Typically a 50 mm (2") or 100 mm (4") disk, although any flat sample that the specimen holder will grasp can be tested.

Test Data:

Haze (%)

Total Luminous Transmittance (%)

**Please note that this test description is intentionally generic in nature and aimed at providing a descriptive summary to enhance test understanding. Standards can be obtained from appropriate standards authorities.

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