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K-KAT® XK-604 is an effective catalyst for the production of urethane cast elastomers. It is designed as a mercury alternative catalyst that provides good workability and efficient snap cure profile. Good compatibility is seen with 1,4-butanediol.

Functions: Catalyst

Catalyst Type: Homogeneous Catalyst

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Reaction Phase
Industrial Additives Functions
Plastics & Elastomers Functions

Features & Benefits

Advantages
  • Excellent cure response
  • Similar cure profile to mercury catalysts
  • Environmentally more acceptable

Applications & Uses

Compatible Polymers & Resins
Plastics & Elastomers Processing Methods
Use Level
0.1 - 0.5% (as supplied on total resin solids)
Applications

100% solids 2K urethanes for cast elastomers. K-KAT XK-604 provides gel times and cure properties similar to mercury catalysts.

Incorporation

K-KAT XK-604 can be added directly to the polyol component of a 2K system.

Properties

Appearance
Clear, Amber liquid
Soluble in
Glycol ethers, Ketones, n-Butanol, Aromatic, Aliphatic hydrocarbons
Insoluble in
Water
Typical Properties
ValueUnitsTest Method / Conditions
% Metal18.5%
Specific Gravity (25°C)1.1

Technical Details & Test Data

Test Data

K-KAT® XK-604 - Test Data

 

Viscosity profile measured at ambient temperature

K-KAT® XK-604 - Test Data - 1

Storage & Handling

Shelf Life
24 months
Storage/Shelf Life
  • Safe handling of this product should include the use of safety glasses and gloves.
  • Avoid breathing vapors - use with adequate ventilation.
  • Product should be stored in lined or glass containers away from sunlight and excessive heat.
  • 24 months from the date of manufacture, when stored at ambient conditions in the original container.