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A partially, renewable resource-based, hard, aliphatic, polyester-based, aqueous polyurethane dispersion with good chemical and water-resistance properties.

Suggested Uses: L-3369 was designed for topcoat applications on a wide variety of substrates, including concrete, metal, plastic and wood. L-3369 produces glossy films with excellent leveling properties and good stain- and chemical-resistance to a variety of household food and cleaning products.

Characteristics:
  • 42 % bio-based, renewable resource content
  • Good water and chemical resistance
  • Low VOC content (75 g/L less water)
  • Can be crosslinked to enhance performance
  • Dilution and clean-up with ordinary tap water
Unit of Measure

Physical Properties

Solids

 N/A 35 %

Solids Tolerance

 N/A ± 1 %

Viscosity

 N/A 50 to 200 cps

pH

 N/A 8.5 to 10.0

Density

 N/A 8.7 lb/gal

Volatile Organic Compounds (VOC) Content (Less Water)

 N/A 75 g/L

Volatile Organic Compounds (VOC) Content (As Supplied)

 N/A 26 g/L

Tensile Properties

Elongation

 N/A 300 %

Tensile Strength

 N/A >2700 psi

100 % Modulus

 N/A 2050 psi

200 % Modulus

 N/A 2350 psi

Note

 N/A Tested at 2 Inches/Minute

Application

N/A L-3369 can be used as a sole vehicle or blended with acrylic emulsions for spray or rotogravure applications. Rheology modifications can be made with associative thickeners for alternative application methods.

Curing

N/A L-3369 is a film former at 70 ºF and may be applied at lower temperatures with supplemental co-solvent addition of 3 - 5 % hexylene glycol on total formulation weight. Typical oven drying temperatures and dwell times for aqueous coatings are sufficient to produce optimal film properties without additional co-solvent. The performance of L-3369-based coatings may be enhanced with carbodiimide and aziridine crosslinkers.