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A hard, co-solvent free, aliphatic, polyester polyurethane dispersion. This is a self-coalescing version of HD-4675.

Suggested Uses: L-3225 was designed for topcoat applications on a wide variety of substrates, including concrete, metal, plastic and wood.

Characteristics:
  • Self-coalescing at temperatures above 60 ºF
  • Contains no co-solvent
  • Produces clear, durable films with low levels of co-solvent (<100 g/L)
  • Excellent non-yellowing properties
  • Good water and chemical resistance
Unit of Measure

Physical Properties

Solids

 N/A 38 %

Solids Tolerance

 N/A ± 1 %

Viscosity

 N/A 50 to 500 cps

pH

 N/A 7.0 to 9.5

Density

 N/A 8.8 lb/gal

Softening Point

 N/A 345 ºF

Volatile Organic Compounds (VOC) Content (As Supplied)

 N/A 18 g/L

Volatile Organic Compounds (VOC) Content (Less Water)

 N/A 48 g/L

Sward Hardness

 N/A 46

Tensile Properties

Elongation

 N/A 190 %

Tensile Strength

 N/A >5900 psi

100 % Modulus

 N/A 4400 psi

Note

 N/A Tested at 2 Inches/Minute

Application

N/A L-3225 can be used as supplied or blended with acrylic emulsions for spray, dip or rotogravure applications. It can be thickened with associative thickeners for knife-over-roll or similar methods.

Curing

N/A L-3225 does not require the addition of a coalescing solvent to obtain good film formation at temperatures above 60 ºF. Below 60 ºF the addition of a supplemental coalescing solvent like DPnB (2 - 3 % on total formulation weight) is suggested.