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Haze can be inherent in the material or a result of surface texture. With respect to paints and coatings, haze is caused by microstructures or suspended particles which slightly change the direction of a reflected light. The change in direction causes a bloom adjacent to gloss (specular) angle, thus, showing a milky effect.
Reflection Haze is an optical phenomenon usually associated with high gloss surfaces, it is a common surface problem that can affect appearance quality. The reflection from an ideal high gloss surface should be clear and radiant, however, due to scattering at imperfections in the surface caused by microscopic structures or textures (≈ 0.01 mm ...
Haze is an important measure for highly polished metals and is often associated with polishing marks and machining direction. Reflection haze meters are traditionally used to measure reflection haze and use a standard glossmeter design with additional detectors 2º either side of the specular angle to measure the haze component.
- Fog
- Mist
- Haze
In our meteorological glossary fog is defined as 'obscurity in the surface layers of the atmosphere, which is caused by a suspension of water droplets'. By international agreement (particularly for aviation purposes) fog is the name given to resulting visibility less than 1 km. However, in forecasts for the public, this generally refers to visibili...
Mist is defined as 'when there is such obscurity and the associated visibility is equal to or exceeds 1000 m.' Like fog, mist is still the result of the suspension of water droplets, but simply at a lower density. Mist typically is quicker to dissipate and can rapidly disappear with even slight winds, it's also what you see when you can see your br...
A third term you might also hear mentioned is haze. This is a slightly different phenomenon which is a suspension of extremely small, dry particles in the air, not water droplets. These particles are invisible to the naked eye, but sufficient to give the air an opalescent appearance. These particles can also contribute to creating a red skyat sunri...
Jun 1, 2009 · The Materials Analyst, Part 107: Diagnosing haze in a clear material. Low levels of contaminants may hide the answer when common analysis tools are applied.Transparency is a highly valued property in plastic materials for a number of industries. In order to achieve good light transmittance, amorphous materials are generally used, since the ...
Mar 31, 2022 · Haze consists of fine particulate matter containing soot. It is formed when gaseous pollutants, which are from industrial emissions, vehicle exhausts, and other sources, are converted to ...
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Haze is caused by microscopic surface textures that diffuse light adjacent to the main specular component of reflected light. When viewing the reflection of a strong light source in a surface with high haze the image “blooms” and has a bright halo around it. Surface haze can be problematic in many coatings applications including automotive ...
