Richvin 327 should be valuable as alight protective agent for polyolefins and cold- cured polyester resin. A percentage of 0.2%-1.0% of Richvin 327 is recommended for protection. Light stability of polymer can be further enhanced by use of a phenolic antioxidants (e.g. Richnox 1010 and Richnox 1076) and a hindered amine light stabilizer (e.g. Richvin 770 and Richvin 944) in the combination with Richvin 327. Most significant is the excellent wash fastness of Richvin 327 compare to other UV absorbers commonly used. For example, five to ten folds of Richsorb BP-4 will be extracted out from monofilaments made of PP by hot detergent washing compared to Richvin 327.
Richvin 328 is most suitable for protective coatings due to its non-yellowing property during baking stage. Therefore, Richvin 328 has been widely used in the following area: 1. Thermoplastic urethan
Richsorb 2260 is most suitable for the protection of polyurethane and coating due to its excellent solubility in polyol and other resin and non-yellowing property during baking stage. Therefore, Rich
It is suitable for most type of polymer. 1. PU casting, foam, leather, film, have excellent result, dosage: 1-4% 2. Spandex: dosage: 0.5-1% 3. PU adhensive: dosage: 0.5-1% 4. TPU: dosage: 0.3-1% 5. P
Richsorb 5411 should prove valuable as a light protective agent for wide range of polyolefins and cold-cured polyester resin. Most significant is the excellent washfastness of Richfos 5411 compared t
Richsorb 1268 is most suitable for the protection of polymers due to its excellent solubility in resin and non-yellowing proppeprty during baking stage. Therefore, Richsorb 1268 has been widely used
Richvin 765 is a liquid light stablilzer belonging to the class of hindered amine light (HALS) stabilizer. Richvini 765 is recommended for the light stabilization of polyurethanes, becasue of its goo
Richvin 770 excellent compatibility with most polymers. It can be incorporated into the polymer in a conventional way. it shows synergistic effect by the combined with benzotriazole or benzophenone t
Richvin 292 may be used after adequate testing for applications such as: automotive coatings, industrial topcoatings, coil coatings, wood stains or do-it-yourself paints, and radiation curable coatin
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