K-FLEX® Resin Modifiers

K-FLEX UD-320

  • Viscosity @ 25°C 7,000 cPs
  • Hydroxyl Number 300
  • % Active 82
  • Urethane diol Incorporation of urethane into HMMM type systems without use of NCO. Increases application solids and hardness. Improves chemical resistance, exterior durability and hydrolytic stability.

K-FLEX 148

  • Viscosity @ 25°C 3,750 cPs
  • Hydroxyl Number 235
  • Equivalent Weight, g/eq. (as supplied) 238
  • Polyester diol Lower viscosity version of K-FLEX 188. Improves flexibility and gloss. Good flow and leveling. Excellent intercoat adhesion. Recommended for primers.

K-FLEX 171-90

  • Viscosity @ 25°C 3,700 cPs
  • Hydroxyl Number 122
  • Equivalent Weight, g/eq. (as supplied) 432
  • Polyester diol Chain extended version of K-FLEX 188 with improved adhesion and flexibility. Low crosslinker demand.

K-FLEX UD-320-100

  • Viscosity @ 50°C 7,000 cPs
  • Hydroxyl Number 350
  • % Active 100
  • Urethane diol Recommended for prepolymer synthesis and 100% solids WB/SB melamine crosslinked systems or 2K PU. Used for preparation of polyester polyurethanes or alkyd polyurethanes. Provides hardness and exterior durability

K-FLEX UD-350W

  • Viscosity @ 25°C 4,000 cPs
  • % Active 88
  • Hydroxyl Number 300
  • Urethane diol High solids, low viscosity aqueous urethane diol resin that increases hardness and provides improved resistance properties in WB/WR 2-component polyurethane