Shandong Raytop Chemical Co., Ltd is an optical brightener manufacturers and our products are very poplar in China. Shandong Raytop Chem established in 2006, and as an optical brightener manufacturers, and we have many long term co-operations in China.
Read MoreSend InquiryOB 1 Optical Brightener is a heat resistant, solvent soluble, chemically stable fluorescent whitener. OB 1 Optical Brightener provides brighter looking colors. OB 1 Optical Brightener is used to offset the yellowness of a polymer and to yield a whiter appearance.
Read MoreSend InquiryBluo Optical brighteners are chemicals that absorb ultraviolet light and reflect back blue light. This helps to hide the normal yellowing of white clothes, and makes them appear whiter and more vibrant. Bluo Optical brighteners chemicals add to your clothes, rather than removing stains from your clothes. You could call it an optical illusion.
Read MoreSend InquiryWhat is an optical brightener? Optical brighteners are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) by fluorescence. What is an optical brightener? Optical brighteners are additives.
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