Optical Brightener BBU pure powder 98.5%min with CAS NO.16470-24-9. Optical brightener BBU have good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.
Read MoreSend InquiryOptical Brightener ER-III is a good whitening agent for polyester, ethylic acid and nylon, especially for plastic. Mixed with ER-I and ER-II can improve thermal stability,can absorb UV light then emit visible blue light to reduce the yellowish and make the products more white. Usage: Add 0.02-0.08% (compared to polyester), or adjust according to the requirements of whiteness, or add matting agent, blue-violet dye. If you need to mix with ER-I, ER-II, 10-60% of the mixture is best. Optical Brightener ER-III Pure Powder 99%min with CAS No 13001-40-6
Read MoreSend InquiryOptical Brightener ER-I is used in whitening and brightening polyester fiber. It has a good whitening (brightening) agent for polyethylene, polypropylene, PVC and other plastic products,can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter.Recommended concentration: 0.05-0.5% depends on the application and the desired whiteness. Optical Brightener ER-II Pure Powder 99%min with CAS No 13001-38-2
Read MoreSend InquiryOptical Brightener ER-I is used in whitening and brightening polyester fiber. It has a good whitening (brightening) agent for polyethylene, polypropylene, PVC and other plastic products,can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter.Recommended concentration: 0.05-0.5% depends on the application and the desired whiteness. Optical Brightener ER-I Pure Powder 99%min with CAS No 13001-39-3
Read MoreSend InquiryOptical Brightener EBF can be used in the production of commercial brightener-EB, as well as in the whitening of various polyolefin plastics, ABS engineering plastics and organic glass to make their colour brighter and whiter. Optical Brightener EBF Pure Powder 99%min with CAS No 2866-43-5/12224-41-8
Read MoreSend InquiryOptical Brightener OB for Leather is a heat-resistant and chemically stable fluorescent brightening agent that increases whiteness and provides brighter colors. It is used to counteract the yellow color of the polymer and produce a whiter appearance. Optical brighteners create brilliance through the fluorescent process of invisible ultraviolet absorption and visible blue emission. Optical Brightener OB for Leather Pure Powder 99%min with CAS No 7128-64-5
Read MoreSend Inquiry