Since 1852
Hauthane L-2857

   

DESCRIPTION: An NMP-free, APEO-free, silicone-modified, polyester-based, water-borne polyurethane dispersion.

SUGGESTED USES: L-2857 was designed primarily for topcoat applications where slip and abrasion resistance properties are required. L-2857 contains a non-fugitive silicone component that provides low surface tension characteristics on flexible and rigid substrates including plastics, metals and textiles.

CHARACTERISTICS:

  • May be formulated into low surface tension coatings
  • Excellent abrasion resistance
  • Non-fugitive silicone component
  • Crosslinkable for improved adhesion and performance
  • Contains dipropylene glycol dimethyl ether co-solvent

APPLICATION: L-2857 may 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.

DRYING: L-2857 can be air dried, if desired, depending on film thickness. Typical oven drying temperatures and dwell times for aqueous coatings are sufficient to produce optimal film properties.

PHYSICAL PROPERTIES TENSILE PROPERTIES
SOLIDS: 35%(± 1%) (TESTED AT 20 INCHES/MINUTE)
VISCOSITY: 50-500 cps* ELONGATION: 300 %
pH: 7.0-9.5 TENSILE STRENGTH: >6375 psi
DENSITY: 8.7 lbs/gal 100% MODULUS: 3180 PSI
SOFTENING POINT: 305°F 200% MODULUS: 4610 PSI
VOC CONTENT: 73 gm/l 300% MODULUS: NA
SWARD HARDNESS: 35

*Provisional specification


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