Quality Inspection for Whitening Agent - Fluorescent Brightener CL – Subang

Product Details

Product Name: Fluorescent Brightener CL

C.I.:220

CAS NO.:16470-24-9

Molecular formula: C40H40N12Na4O16S4

Molecular weight: 1165.12

Maximum ultraviolet absorption wavelength: 350nm

Quality Index

Appearance: amber transparent liquid

Shade: blue light

Fluorescence intensity (equivalent to standard product): 25, 30, 35

PH value: 8-10

Viscosity (25 degrees) mPa.s: ≤30

Density, g/cm3: 1.0-1.2

Performance and Characteristics

1. Easy to use, miscible with water in any ratio, suitable for automatic continuous addition and metering;

2. It has good acid resistance and has a very good whitening effect even at a lower PH value;

3. Good storage stability. If it is below -2℃, it may freeze, but it will dissolve after heating and will not affect the use effect;

4. Compared with similar products, it has the same light fastness and acid fastness;

5. Applicable to the environment with PH value of 4.5~13.

Applications

In the manufacturing industry, it is suitable for whitening in paste, coating and surface sizing.

Method

In the paper industry, it can be directly added to pulp or paint and surface sizing agent.

Packing

15kg/20kg drum, or according to customer requirements.