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A hard, co-solvent free, aliphatic, aqueous polyurethane dispersion.

Suggested Uses: HD-4669 was designed for topcoat applications on a wide variety of substrates, including concrete, metal, plastic and wood.

Characteristics:
  • Contains no co-solvent
  • Extreme toughness, abrasion and mar resistance
  • Outstanding water and chemical resistance
  • High melting point
  • Can be crosslinked to enhance performance
Unit of Measure

Physical Properties

Solids

 N/A 40 %

Solids Tolerance

 N/A ± 1 %

Viscosity

 N/A 50 to 150 cps

pH

 N/A 7.0 to 9.0

Density

 N/A 8.7 lb/gal

Softening Point

 N/A 365 ºF

Volatile Organic Compounds (VOC) Content (As Supplied)

 N/A 14 g/L

Sward Hardness

 N/A 48

Tensile Properties

Elongation

 N/A 270 %

Tensile Strength

 N/A >6300 psi

100 % Modulus

 N/A 3600 psi

200 % Modulus

 N/A 5200 psi

Note

 N/A Tested at 2 Inches/Minute

Application

N/A HD-4669 can be used as a sole vehicle or blended with acrylic emulsions for spray, dip or rotogravure applications. It may be thickened with associative thickeners for alternative application methods.

Curing

N/A Due to the co-solvent free nature of HD-4669, the addition of coalescing solvent is recommended to achieve optimal film formation. Heat curing will also improve film properties. Typical drying temperatures and dwell times for aqueous coatings are sufficient to optimize film characteristics.