BYK-313 is a silicone-containing surface additive for solvent-borne coating systems, providing strong surface tension reduction, excellent substrate wetting, crater prevention, and increased surface slip. It is particularly suited for baking systems and is thermally stable up to 230 °C. This is an aromatic-free alternative to BYK-310.

Synonyms: Methoxypropyl Acetate, PGMEA, Propylene Glycol Monomethyl Ether Acetate

Functions: Surface Tension Modifier

Chemical Family: Esters

End Uses: Can Coating, Coil Coating, Solventborne Coating, Wood Coating

Labeling Claims: Aromatic-free, Substances of Very High Concern (SVHC) Chemicals-free

Features: Anti-Cratering , Good Leveling, Improved Slip, Improved Substrate Wetting

Enhanced TDS

Identification & Functionality

Chemical Family
Chemical Name
Manufactured By
CASE Ingredients Functions
Technologies
Product Families

Features & Benefits

Applications & Uses

Markets
Applications
Compatible Substrates & Surfaces
Coating End Applications
Use Level
0.05 - 0.5%
Product Application

Coatings industry
Special features and benefits

The additive provides a strong reduction in the surface tension of coating systems. It therefore especially improves substrate wetting and prevents cratering. Surface slip and gloss are also increased. BYK-313 also provides very good leveling properties, even with thin layers. BYK-313 is a thermally stable silicone additive which, in contrast to conventional silicones, shows no thermal decomposition at temperatures between 150 °C and 230 °C. Consequently, when re-coating, no loss in adhesion and no surface defects occur, which can be caused by the decomposition products of conventional silicones above 150 °C. The additive is HAPS- and aromatic-free.
 

Recommended levels
0.05 - 0.5% additive (as supplied) based on the total formulation. The above recommended levels can be used for orientation. The optimum dosage should be determined
by application-related test series.
 

Incorporation and processing instructions
The additive can be incorporated during any stage of the production process, including post-addition.
 

Special note
Unlike so-called silicone oils, this additive is very user-friendly. However, before use, one should determine in test series whether foam is stabilized in certain systems. Similarly, the recoatability, the migration of the silicone in stacked sheets as well as cratering should be checked.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Flash Point45°C-
SolventsMethoxypropylacetate--
Non Volatile Matter15%-
Density (at 20°C)0.98g/ml-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Dynamic Viscosity (at 20°C)approx. 3.0mPa.s11 (NV, at 20°C)
Ignition Temperaturemin. 200°CDIN 51 794/ DIN prEN 14 522
Density (at 20°C)approx. 0.98g/cc4 (Oscillating U-tube, at 20°C)
Flash Pointapprox. 45°C48 (Abel-Pensky)
Vapor Pressure (at 20°C)3.37hPaDerived
Initial Boiling Point146°C-
Melting Pointmax. 5°C-
pH Value (at 20°C, 1% Concentration)6-Universal pH Value Indicator
OdorSolvent-like--
ColorColorless--
AppearanceLiquid--
Immiscible inWater--
Note

BYK-313 is the aromatic-free variant of BYK-310.

Storage & Handling

Storage Information

Separation or turbidity may occur at temperatures below 5 °C. Warm to 20 °C and mix well.