JHZ-726 Liquid whitening agent (hexasulfonic acid)

1. Main technical indicators:

Molecular formula: C40H42N12S2O10Na2

Relative molecular mass: 960.94 (according to the 1997 international relative atomic mass)

Maximum UV absorption wavelength: 348nm

Implementation standard: HG/T3990-2007

Fluorescence intensity (relative to standard): 35±1

Whiteness WCIE (relative to standard): ±3

Appearance: Amber liquid

PH value: 8-11

Viscosity: ≤50mpa.s (25℃),

Density: 1.10-1.20g/cm3

Ionicity: anionic

2. Feature:

2.1 It is especially suitable for whitening in coating and surface sizing. It is currently the largest type of fluorescent whitening agent that can whiten paper.

2.2 It has good acid resistance and has excellent whitening effect even at a low pH value.

2.3 Easy to use, miscible with water in any proportion, suitable for automated continuous addition and metering.

2.4. It has very good light fastness and acid and alkali resistance.

3. Scope of application:

3.1 Perform fluorescent whitening on the coating.

3.2 Perform fluorescent whitening during surface sizing.

3.3 Fluorescent whitening of porcelain clay.

4. Usage:

4.1 During the coating preparation process, it can be added at any position, and better results will be obtained when used together with PVA and CMC.

4.2 In surface sizing, it is often used together with surface glue starch and PVA to obtain better whitening effect.

4.3 The conventional dosage for whitening in china clay is 1-3kg/ton of absolutely dry china clay.

5. Packaging and storage:

Packaging: Packed in 50kg, 200kg, 1000kg plastic drums, special packaging can also be provided according to customer needs.

Storage: It should be stored in a cool, dry and ventilated warehouse.

Storage period: 12 months.