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Borchi® Kat 0761

Tin-free catalyst for solvent-based one- and two-component polyurethane coatings Click here for our tin-free catalyst offering.

Characteristic Data

Metal content Zn: 14.7 – 15.3 % ISO 4619
Non-volatile content N/A
Viscosity Max. 800 mPa.s (20°C) ISO 3219 (A)
Specific gravity N/A
Density 1.06 g/cm³ (20 °C)

Properties

  • Based on zinc neodecanoate
  • Replacement for other polyurethane catalysts, especially for tertiary amines and DBTL
  • Accelerates the chemical reaction between the alcohol and isocyanate component of polyurethane coating systems, thus allowing optimum steering of the drying properties
  • Ensures fast blocking stability
  • Improved solvent resistance
  • Higher film hardness
  • Earlier sanding of the coating

Applications

  • Solvent-based one- and two-component polyurethane clearcoats and pigmented coating systems
    • Automotive Refinish
    • General Industrial
    • Coil

Dosage

Our experience has shown the recommended addition rate of Borchi® Kat 0761 to be between 0.01 and 0.12 % product, calculated on total solid binder. The exact amount depends on the used binder and should be determined by means of preliminary trials. Borchi® Kat 0761 can be added either in the supply form or diluted in any suitable solvent (e.g. butyl acetate, xylene, methoxypropylacetate) to the polyol component of the coating system. The solution has to be homogenized by stirring.

Storage

Protect from the effects of weathering and store at temperatures between 5 and 30 °C. Once opened, containers should be resealed immediately after each removal of the product.

Safety

Please refer to our safety data sheet for information relating to product safety.

Availability : Asia, EMEA
Media : Solvent-based
Registration :

For chemical inventory status, please review section 15 of the current SDS.

Click here to access the SDS portal.

For additional regulatory information, please contact regulatory@milliken.com.