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Natural features: 1. The fluorescent whitening agent OB-1 is a yellow-green crystaltance, insoluble in water and stable in performance.The maximum absorption wavelength is 374nm, fluorescence intensity and emission wavelength is 434nm. 2. High whitening intensity and strong fluorescence. You can use all kinds of plastic products.
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FAQ Q: How to confirm the Product Quality before placing orders? A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests. Q: How to get the price list? A: Please inqire us by alibaba/ Q:Is there a discount? A:Different quantity has different discount. Q: Can you provide samples for quality checking before placing an order? A: Samples are avaliable upon request, but the shipping cost should be paid by customer. Q:Which port can I choose? A:Tianjin, Qingdao or Shanghai Ports can be, depending on you. Q: Can you customize products? A: Yes, we can. Q: Can you provide samples for quality checking before placing an order? A: Samples are avaliable upon request, but the shipping cost should be paid by customer. Q: How about delivery leadtime? A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
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