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Hauthane HD-4638 DMM (L-2961)

1 of 96 products in this brand
Hauthane HD-4638 DMM (L-2961) is a soft, NMP-free, APEO-free, aliphatic, water-borne, polyurethane dispersion. Features: Forms soft, flexible, dry films. Excellent UV-resistance. Good abrasion resistance. Superior low temperature flexibility and crack resistance. High melting point (320°F). Contains dipropylene glycol dimethyl ether (DMM) co-solvent.

Chemical Family: Polyurethanes (PU)

End Uses: Base Coat, Inkjet Ink

Compatible Substrates & Surfaces: Fibers & Fabrics, Leather, Textiles

Features: Crack Resistance, Good Toughness, High Melting Point, Low Temperature Flexibility

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Carrier
Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Labeling Claims

Applications & Uses

Compatible Polymers & Resins
Compatible Substrates & Surfaces
Coating Type
Ink & Toner Type
Product Uses
  • HD-4638 DMM was designed for use in textile applications as a versatile polyurethane coating.
  • Due to its overall properties, HD-4638 DMM can be used as a finish or a coating for many textile applications.
  • This product is ideally suited for use as an anti-fray finish on textile fabrics that must have a soft hand.
  • HD-4638 DMM is also suitable for textile coating applications that require excellent low temperature flexibility and crack resistance.
Product Applications
  • Spray or pad, solids may be adjusted for optimum add-on.
  • Rheology may be modified with associative thickeners for knife coating applications.

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Solids34 - 36%-
Viscosity50 - 500 cps-
pH7.5 - 10.0--
Density8.7lbs/gal-
Softening Point320°F-
VOC Content38gm/l-
Mechanical Properties (TPE)
ValueUnitsTest Method / Conditions
Elongation600%Tested at 20 inches/minute
Tensile Strength3000psiTested at 20 inches/minute
100% Modulus770psiTested at 20 inches/minute
200% Modulus1050psiTested at 20 inches/minute
300% Modulus1380psiTested at 20 inches/minute

Technical Details & Test Data

Curing
  • HD-4638 DMM will form a film at ambient temperatures.
  • Typical oven drying temperatures and dwell times for aqueous coatings are sufficient to produce optimal film properties.