Fluorescent whitening agent

Product Name: FPB Series Products
Main ingredients: Benzoxazole type biphenyl derivatives
Technical specifications: Appearance: Grey purple powder
Color light: red blue light
Volatile: ? 0.5%
Fineness: greater than 120 mesh
Weather resistance: 7-8 levels
Performance and characteristics: 1. Good fluorescence intensity and high whiteness
2. Good thermal stability, no migration, no discoloration, superior resistance to yellowing
3. Excellent dispersibility, easy to mix evenly with plastics
Scope of application: Suitable for whitening and brightening of buckle blue gloss board, foam board, and bathroom board
Application method: Add about 500g-1000g of additive to each ton of plastic raw materials, with an addition amount of 600g/ton or less to produce colored products
Red light bias, with an added amount of 600g/ton or more. The finished product has a blue light bias, depending on the whiteness of the raw material and the customer's preference for the color light
It is required to increase or decrease the dosage appropriately.
Packaging and Storage: 2kg x 5 packs/cardboard box packaging, or 25kg cardboard drum packaging, stored in a cool, dry place away from light, such as when stored
Long duration of exposure or exposure to light, the appearance of the whitening agent changes from gray purple to purple red, which is a normal physicochemical reaction and does not affect
Sound usage effect.

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