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Carbon black as a UV stabilizer
Carbon black is an improved form of carbon that has a high surface-to-volume ratio. This substance is formed in the gas phase and from the thermal degradation of various hydrocarbon sources, and it exists in different commercial grades based on the size of the primary particles, lump size and shape, porosity, surface and surface chemistry.
Various weather factors are effective in degrading polymers, such as radiation, temperature, humidity and wind. Due to their short wavelength, UV waves can react with the organic chains of polymers and lead to the creation of free radicals that play a role in polymer degradation. Therefore, the UV radiation of the sun has a significant effect on erosion due to weather. Many polymers by themselves are unsuitable for use in the outdoor environment due to rapid degradation caused by the action of light and especially UV. Especially in combination with ozone and other aggressive environmental chemicals, sunlight components can lead to accelerated degradation rates.
The carbon black absorbs visible and UV light and converts it into heat, thus making the piece stable and suitable for outdoor use.
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Read the rest of the article on the Padna Polymer website
Author: Mrs. Engineer Zaji
Experience engineering plastics with Padna Polymer
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This post is written by MZ140005