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Hauthane L-3685

Chemical Family
Polyurethanes (PU)

Hauthane L-3685 is a water-borne, UV-curable, polycarbonate-based polyurethane dispersion. Features: Excellent chemical- and stain-resistance. Superior humidity resistance. Forms durable, films under ambient or force-dried conditions. APEO-free Fast water-release properties. Contains n-methyl pyrrolidone (NMP) co-solvent.

Properties

Physical Form
Dispersion

Identification

CASE Ingredients Functions
Binder & Resin

Product families

Applications

Electrical & Electronics — Devices & Assemblies
  • Consumer Electronics
Building & Construction — Flooring & Surfaces
  • Wood Flooring
Printing & Packaging — Packaging Coatings
  • Film & Foil Coatings
Paints & Coatings — Packaging Coatings
  • Film & Foil Coatings
Printing & Packaging — Printing & Inks
  • Gravure Printing

Product Families

CASE Ingredients — Resins & Binders
  • Polyurethanes (PU)

Other characteristics

Brand
Hauthane
End Uses
Radiation Curable Coating, Top Coat
Features

Abrasion Resistance, Chemical Resistance, Excellent Weatherability, Good Release Properties, Humidity Resistance, Stain Resistance

Compatible Substrates & Surfaces
Plastics, Wood
Curing

L-3685 must be air-dried, or oven dried (temperature: 150 – 170° F; dwell time: 10 minutes) to remove water from the film prior to UV exposure.; A photo-initiator must be incorporated into the coating formulation for effective curing. See starting point formulations for suggestions.; Exposure guidelines: MPMA lamp - 300 watts/in², 2.0 – 3.0 second dwell time.

Markets
  • Building & Construction
  • Electrical & Electronics
  • Paints & Coatings
  • Printing & Packaging
Cure
Radiation Cure
Coating Type
  • Radiation Curable Coating
  • Top Coat
Technology
CASE Ingredients
Labeling Claims
APEO-Free
Application Methods
  • Gravure Coating
  • Spray
Applications

L-3685 may be applied by spray or gravure methods.; Films must be dried completely before UV energy cure.; UV irradiation is required to attain optimal film properties, but un-cured coating films are durable enough for handling prior to curing.

Compatible Substrates and Surfaces
  • Plastics
  • Wood

Technical data

Table 1 of 1

9 rows
CharacteristicValueUnit
Solids34 - 36%
Viscosity20 - 500cps
pH6.5 - 9.5—
Density8.8lbs/gal
Softening Point (uncured)290°F
Softening Point (cured)500°F
VOC Content (as supplied)51gm/l
VOC Content (less water)137gm/l
Sward Hardness (after UV-curing)64—

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