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K-STAY® 555 is a metal overbased sulfonate rheology control additive for pigmented solventborne applications. It is an easy to use, pourable liquid that is highly efficient in improving pigment suspension and sag control.

Functions: Rheology Modifier, Thixotrope

Chemical Family: Sulfonates, Sulfonic Acids & Derivatives

End Uses: 2K (2 component) Coating, Primer, Solventborne Coating

Compatible Polymers & Resins: Acrylics, Alkyds, Epoxies (EP), Polyesters, Polyurethanes (PU)

Physical Form: Liquid

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
Technologies

Features & Benefits

Advantages

K-STAY 555 provides the following benefits :

  • Pourable
  • Excellent sag resistance in high solids coatings
  • Eliminates hard settling
  • Excellent performance in polar formulations
  • No negative effects on final film properties
  • Enhances thermal sag control
  • Effective in most solventborne coatings

Applications & Uses

Use Level
0.5 - 2% (as supplied based on total formulation weight)
Applications

K-STAY 555 is designed to be effective in a wide range of solventborne formulations including acrylics, polyesters, urethanes, alkyds and epoxies.

Incorporation

K-STAY 555 should be added directly to the pigment grind. Since K-STAY 555 associates with pigments, addition to the grind promotes strong pigment interaction and thixotropic effect.

Properties

Physical Form
Appearance
Light brown liquid
Typical Properties
ValueUnitsTest Method / Conditions
% Non-Volatile57%
Specific Gravity (25°C)1
Weight per Gallon8.34lbs
VolatileMineral Spirits, Light Aromatic Naphtha

Storage & Handling

Shelf Life
24 months
Storage/Shelf Life
  • Avoid breathing vapors. Keep the container tightly closed. Store at room temperature and away from all sources of ignition.
  • Minimum of 24 months from date of manufacture when stored at ambient temperatures in the original container.