OB-1 Optical Brightener And Whitener is specially formulated for industrial applications that require a pure and effective chemical compound. It is used in the plastic industry to mask the inherent yellowness of the plastic. We supply quality-assured and tested optical brighter to our customers. Post-production, it is packed in premium-grade packaging that keeps moisture, dust, and other unwanted particulates at bay. OB-1 Optical Brightener And Whitener can be alleviated from us in different packaging options.