Product Description
Product Name: Optical Brightener BBU
Molecular?formula: C40H40N12O16S4Na4
CAS?No.?: 16470-24-9
Appearance:?Light?yellow?uniform?powder
Max?UV?absorption?wavelength:?348±1nm
Fluorescent?intensity:?100±3
Whiteness: ≥-3
Moisture?content: ≤5.0%
Content?of?water-insolubie?impurities: ≤0.5%
Fineness(residual?content?passed?through?250μm-pore?sieve): ≤10.0
Application:?Mainly?used?for?paper?making
Package:?Fiber?drum?or?PE?bags
Recommended?dosage: 0.1-0.5%?of?the?dry?pulp