Overview
RHEOBYK-430 is a liquid rheology additive for improving the anti-sagging and anti-settling properties of solvent-borne coatings, adhesives and sealants, as well as detergents, cleaning, and care products. As one of the recommended international brand products in our auxiliary agent range, this additive is supplied with supply chain resource support for formulators sourcing a reliable rheology additive for solvent-borne systems.
Product Information
| Product Shelf Life | 18 months, in the unopened original packaging stored under conditions specified in the product documentation |
| Product Group | Rheology Additives |
The RHEOBYK Product Family
RHEOBYK is BYK’s leading brand for organic rheology additives. The organic RHEOBYK additives family comprises different product types: liquid and solid associative thickeners, acrylate thickeners, urea-based liquid thixotropes, polyamides, and thix boosters.
These products are formulated for the most varied applications and cover the entire shear range, providing newtonian, pseudoplastic, or thixotropic flow behavior. Depending on the individual grade, RHEOBYK additives can be used in solvent-borne, solvent-free, and aqueous coatings, adhesives and sealants, plastics, and industrial applications.
For water-based architectural and industrial coatings requiring high-shear viscosity control, formulators can also evaluate ACRYSOL RM-2020 NPR rheology modifier, a nonionic HEUR thickener that complements associative and urea-based rheology additives in demanding coating systems.
Why Anti-Sagging and Anti-Settling Performance Matters for RHEOBYK-430
Sagging on vertical surfaces and settling in storage are two of the most common issues formulators try to solve with a rheology additive. Because RHEOBYK-430 is formulated as a liquid additive, it is generally easier to incorporate into an existing solvent-borne mixing process than a solid thickener, without requiring a separate activation or dispersion step.
Its use across coatings, adhesives, sealants, and even detergents and cleaning products reflects the broad shear range this rheology additive family is designed to cover, from the low-shear conditions relevant to settling in a closed container to the higher-shear conditions relevant to application and sag resistance.
What to Consider When Sourcing RHEOBYK-430
When sourcing a rheology additive for solvent-borne coatings, adhesives, or sealants, formulators typically evaluate compatibility with their base resin system, target flow behavior, and dosage against their process specification.
Working with a supplier that can provide consistent documentation and responsive technical support can help reduce qualification time when approving a new rheology additive for a production line.
Because the RHEOBYK family includes several different chemistries, from associative thickeners to urea-based thixotropes, buyers should confirm which specific grade has been validated for their solvent-borne formulation before finalizing a dosage.
Common Formulation Considerations
Formulators introducing a liquid rheology additive to an existing solvent-borne system typically run a small trial batch to confirm dosage before scaling to full production, since the amount needed to control sag and settling varies with the specific resin, pigment loading, and solvent blend already in the formulation.
Because rheology additives can interact differently across the shear range, from low-shear storage stability to high-shear application behavior, testing across both conditions is generally recommended rather than evaluating a single shear rate in isolation.
General Handling and Storage Guidance
RHEOBYK-430 has a stated shelf life of 18 months in the unopened original packaging when stored under the conditions specified in the product documentation. As with most liquid rheology additives, this product should be kept tightly sealed, stored in a cool, dry location away from direct sunlight and heat sources.
Formulators should always confirm current shelf life, recommended storage conditions, and any handling precautions against the latest technical data sheet and SDS for the specific batch of RHEOBYK-430 they are working with.
Where to Source This Product
Thousands Chemicals connects formulators with RHEOBYK-430 and related auxiliary agent products through our digital B2B marketplace. Rheology and viscosity performance are commonly evaluated using test methods published by organizations such as ASTM International. Our team can help confirm packaging, lead times, and technical documentation for your target application and order volume.
Documentation We Can Provide
For buyers evaluating this rheology additive for a new solvent-borne coating, adhesive, or sealant formulation, our team can help arrange the current technical data sheet and safety data sheet. Having this documentation in hand before finalizing a formulation can help avoid delays later in your qualification or approval process.
FAQ
What is RHEOBYK-430 used for?
It is a liquid rheology additive for improving the anti-sagging and anti-settling properties of solvent-borne coatings, adhesives and sealants, as well as detergents, cleaning, and care products.
What is the shelf life of RHEOBYK-430?
The product shelf life is 18 months in the unopened original packaging, stored under the conditions specified in the product documentation.
What other RHEOBYK products are available?
The RHEOBYK family includes liquid and solid associative thickeners, acrylate thickeners, urea-based liquid thixotropes, polyamides, and thix boosters for varied applications.
Can you provide technical documentation and bulk pricing?
Yes, technical data sheets and SDS documentation are available on request, and our team can provide bulk pricing and lead times based on your target volume and delivery location.
Get a Quote for RHEOBYK-430
Contact our team for a quote, technical data sheet, or SDS for this rheology additive. We support bulk supply and global shipping for formulators sourcing RHEOBYK-430 for solvent-borne coatings, adhesives, and sealant applications.
