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UV Absorber Benzophenone-1 (CAS 131-56-6 ) as the ultraviolet absorption agent, it is available to PVC,polystyrene and Polyolefine etc.The max.absorbing wavelength range is 280-340nm.The general consumption:0.1-0.5% for thin matter,0.05-0.2% for thick matter.
Appearance Yellow crystal or white powder
Melting Point 142-149°C
Loss on Drying ≤0.5%
Heavy Metal (ppm) ≤5.0
Light Transmittance 290nm ≥630
It is mainly used as a light stabilizer for plastics, which can effectively protect the plexiglass and cloth and prevent the data from deteriorating due to light. It is also used as an intermediate for synthesizing other ultraviolet absorbers.
Storage & Handling
Store in a dry, cool, well-ventilated area away from heat ,open flames, organic chemicals, oxidants and light.
Always refer to the Material Safety Data Sheet (MSDS) for detailed information on handling and disposal.