BYK-077 is a silicone-containing leveling additive with defoaming properties for solvent-borne coating systems.

Chemical Family: Polysiloxanes

Features: Defoaming, Foam Control, Improves Intercoat Adhesion

End Uses: Solventborne Coating

Enhanced TDS

Identification & Functionality

Carrier
Chemical Family
Manufactured By
CASE Ingredients Functions
Technologies
Product Families

Features & Benefits

Applications & Uses

Application Area
Coating End Applications
Use Level
0.05 - 0.6%
Application Information

Special Features and Benefits
BYK-077 is a silicone-based leveling additive which also prevents the formation of foam and bubbles in the production and processing of solvent-borne coatings in the non-polar to highly polar domain. When re-coating, it does not cause rewetting difficulties or defects in the intercoat adhesion.


Recommended Levels
0.05-0.6% additive (as supplied) based upon total formulation.
The above recommended levels can be used for orientation. Optimal levels are determined through a series of laboratory tests.


Incorporation and Processing Instructions
The additive can be incorporated during any stage of the production process.


Special Note
Overdosage can lead to turbidity in glossy, clear coatings and haze in pigmented systems.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Density (at 20°C)0.89g/ml-
Flash Point45.0°C-
Non-Volatile Matter (10 min, at 150°C)52%-
SolventAlkylbenzenes--
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Kinematic Viscosity (at 40°C)12.4mm²/s
Dynamic Viscosity (at 20°C)21mm²/s
Ignition Temperaturemin. 200°CDIN 51794
Density (at 68°F)0.885g/cc4 (Oscillating U-tube, at 20°C)
Lower Explosion Limit1%V-
Upper Explosion Limit7.5%V
Flash Point45°C48 (Abel-Pensky)
Immiscible inWater--
Initial Boiling Point160°C
Melting Pointmax. 0°C
Vapor Pressure (at 20°C)5hPaCalculated
OdorSolvent-like--
ColorLight Brown--
AppearanceLiquid--
Note

The additive is also available solvent-free under the name BYK-085.

Composition Data

Solution of a polymethylalkylsiloxane

Regulatory & Compliance

Chemical Inventories
OEM Specifications