The product, High Quality UV absorber CAS 2440-22-4 With Best Price, is a highly effective UV absorber. The CAS number 2440 - 22 - 4 uniquely identifies this chemical compound. It is a specialized product designed to absorb and dissipate ultraviolet (UV) light, protecting materials from the harmful effects of UV radiation. This UV absorber typically comes in a fine powder form, which has good solubility in common organic solvents such as benzene, toluene, and acetone. The melting point of this product ranges from 80 - 85°C, ensuring its stability under normal processing temperatures. It has a high purity level, usually above 99%, which guarantees its high - performance in UV absorption applications. The density of the product is approximately 1.1 - 1.2 g/cm³, and it has a molecular weight that can be accurately determined by its chemical formula.
The High Quality UV absorber CAS 2440 - 22 - 4 has a wide range of uses. In the plastics industry, it is widely used in polyvinyl chloride (PVC), polyethylene (PE), and polypropylene (PP) products. By adding this UV absorber to plastic materials, it can significantly improve the weather resistance and service life of plastic products. For example, plastic outdoor furniture, plastic pipes, and plastic packaging materials can all benefit from the addition of this UV absorber. In the coatings industry, it can be incorporated into various types of paints and varnishes, such as automotive coatings, industrial coatings, and architectural coatings. The UV absorber helps to prevent the degradation of the coating film caused by UV radiation, maintaining the color and gloss of the coating for a long time. In the rubber industry, it is used to enhance the UV resistance of rubber products, such as tires, rubber seals, and rubber hoses, thereby improving their performance and durability.
When using the High Quality UV absorber CAS 2440 - 22 - 4, it is necessary to first determine the appropriate dosage according to the specific application and the requirements of the material. Generally, the recommended dosage ranges from 0.1% - 3% of the total mass of the material. For plastics, the UV absorber can be added during the plastic extrusion or injection - molding process. It should be evenly mixed with the plastic resin to ensure uniform dispersion. In the coatings industry, it can be added to the coating formulation during the mixing process. Stir well to make sure it is fully dissolved in the coating. When using in the rubber industry, it can be added during the rubber compounding process, and then mixed thoroughly with other rubber additives. It is important to note that when handling this product, appropriate personal protective equipment, such as gloves and goggles, should be worn to avoid direct contact with the skin and eyes.
Case 1: A plastic furniture manufacturer used the High Quality UV absorber CAS 2440 - 22 - 4 in their outdoor plastic chairs. Before using the UV absorber, the chairs showed significant color fading and surface cracking after being exposed to sunlight for three months. After adding 1% of the UV absorber during the plastic injection - molding process, the chairs maintained their original color and surface integrity even after being exposed to sunlight for over a year.
Case 2: An automotive coatings company incorporated this UV absorber into their car paint. The paint without the UV absorber began to lose its gloss and show signs of chalking after 6 months of outdoor exposure. However, the paint with 0.5% of the UV absorber still looked shiny and new after 18 months of outdoor use, significantly improving the appearance and durability of the car paint.
Case 3: A rubber hose manufacturer added 2% of this UV absorber to their rubber hoses. The hoses without the UV absorber became brittle and cracked after being exposed to sunlight for 6 months. In contrast, the hoses with the UV absorber remained flexible and intact after 12 months of outdoor exposure, ensuring the normal operation of the hoses in outdoor environments.
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