It can slow the rate at which various materials turn yellow, age and become brittle. It is particularly good at absorbing ultraviolet light in the wavelength range of 240-340 nm, and has good light stability, which can reduce the degradation of the material by the ultraviolet light.
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UV-531 can absorb 240-340 nm ultraviolet light, making it an excellent and efficient anti-aging additive. It has a great protective effect on polymers, helping to reduce color, while delaying yellowing and blocking physical property loss and insoluble in water, easily soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, slightly soluble in dichloroethane
1 UV absorber UV-531 is an excellent and efficient anti-aging additive that can absorb UV light from 240-340nm (particularly strong at 270-330nm). It has the characteristics of light color, non-toxic, good compatibility, small migration, and easy processing.
1. Q: Are you a factory or trading company?
A: We are a factory.Our factory is located in Jingjiang City, Jiangsu Province, China, about 2.5 hours bus ride from Shanghai .All our clients, from Home or abroad, are warmly welcome to visit us! High quality products and competitive price always will be provided for you.
2.Q: Is there any possible to use my appointed label or package?
A: Sure. If needed, we'd like to use label or package according to your requirement.
3.Q: How and when can I get my goods after payment?
A: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, T/T, EMS, etc.) or by air. Usually it will cost 2-5 days that you can get the goods after delivery.
For large quantity products, shipment is better. It will cost days to weeks to come to your destination port, which depends on where the port is.
4. Q: How can I get some samples?
A: We are honored to offer you samples. For those normal products, you just need to bear the freight; for those high value products, you just need to freight and a little product cost.
5. Q: How does your factory do regarding quality control?
A: Quality is priority. Concord people always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained BV, Intertek, SGS authentication.
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