The general agent of French Arkema company in China, Arkema la-350, Arkema crayvallac la-350 liquid rheological additive, has good thixotropy, The general agent of French Arkema company in China, Arkema la-350, Arkema crayvallac la-350 liquid rheological additive, has good thixotropy, can be added under low shear conditions, does not require activation, is not limited by temperature, suitable for water-based systems, Arkema crayvallac la-350 chemical properties, melting point, boiling point, density, molecular formula, molecular weight, CAS, physical properties, toxicity, structural formula, customs code, etc
Akoma Crayvallac La-350, Overview of Liquid Rheological Additive:
arkema CRAYVALLAC LA-350It is a kind of modified polyurea, which is dissolved in dimethyl sulfoxide. This liquid rheological auxiliary is suitable for various water-based systems, such as water dilutable alcohol, acrylic acid lotion, etc., and can be added later.arkema LA-350The main characteristics are:
Add liquid after flowing type
No activation required
Not related to the pH value of the system
Endow the system with shear thinning rheological properties, and its viscosity gradually recovers over time
Good anti current hanging performance
Good recoating ability
Akoma crayvallac la-350, recommended dosage of liquid rheology additive:According to the total solid content of the resin in the formula, 0.5-2.0% of active ingredients are generally added
| Product Code | nature | Addition amount (wt%) |
| crayvallac la-350 | Active ingredient content (%) | solvent | 0.5-2.0 |
| forty-five | DMSO |
| Product specifications | Other properties |
Particle size distribution (Malven Mastersizer)
Laser Particle Size Distribution Analyzer (CR 005) | Specific gravity (25 ℃, g/cm3),
(CR 006) | zero point nine nine |
DV.1 min
DV.9 max | 1.8µm
15.0µm | Bulk density, g/cm3,
(CR 016) | 0.4-0.6 |
| Capillary melting point determination (CR 003) | 121-135℃ | appearance | Grey white powder |
Akoma Crayvallac La-350, detailed method and steps for adding liquid rheological additives:
arkema CRAYVALLAC LA-350It should be slowly added under conditions of medium to low shear force to ensure uniform dispersion. During this dispersion process, there is no need to increase the temperature to activate it, and of course, excessive shear forces should be avoided from damaging its network structure.
Given the different formulation systems, production processes, and application fields, we strongly recommend usingarkema LA-350Conduct a comprehensive evaluation to ensure that it meets the requirements.
Arkema Crayvallac La-350, Liquid Rheological AdditiveStorage requirements:
arkema CRAYVALLAC LA-350It should be stored in a sealed container. Otherwise, once the moisture in the air is absorbed, it will cause the crystallization of modified polyurea.
arkema LA-350It should be placed in a dry environment with a temperature of 5-30 ℃, avoiding direct sunlight or freezing. The product is valid for two years when stored under the above conditions.
Arkema Crayvallac La-350, a liquid rheology additive, is mainly used in the following fields:
● It has good thixotropy and can be added under low shear conditions.
● No activation required, not limited by temperature, suitable for water-based systems.
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