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Coatings Ingredients
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Coatings Ingredients
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DAOTAN® TW 6425/40WA

Technical Datasheet | Supplied by allnex
DAOTAN® TW 6425/40WA by allnex is an aqueous, solvent-free, polyester-based hydroxy functional polyurethane dispersion. It possesses shear stability and pigment compatibility, giving highly flexible films when cured with isocyanates as well as melamine resins. These properties allow for the formulation of highly flexible coating systems especially for primers for plastics. Such systems have very good adhesion to polyamide, polycarbonate, ABS, as well as pretreated PP/EPDM. Recommended for automotive OEM primer surfacers. Due to its polymeric design and morphology, it can be used for formulation of digital printing inks providing quick drying, fast re-dissolution and excellent adhesion to non-polar substrates. The shelf life of DAOTAN® TW 6425/40WA is 365 days.
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DAOTAN® TW 6425/40WA
Technical Datasheet | Supplied by allnex
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
Product Type
Polyurethanes (PU) > Polyurethane Dispersions (PUDs) > Polyesters
Chemical Composition
Polyester-based polyurethane
Physical Form
Dispersion
Appearance
Clear, Opaque
Product Status
IN DEVELOPMENT
Geographical Availability
Africa, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe
Applications/ Recommended for
  • Coatings > Solvent-Free/ High-Solids
  • Coatings > Waterborne
  • Inks > Water-based
  • Inks
  • Coatings Markets > Automotive OEM > Primer / Surfacer

DAOTAN® TW 6425/40WA Properties

Property

Value & Unit
Test Condition
Test Method
Viscosity
100 - 1100 mPa-s
(At 23°C. 100 1/s. Dynamic)
DIN EN ISO 3219
pH
7.2 - 8.2
(20%)
DIN ISO 976
Solids Content
38.5 - 41.5 %
(At 125°C. 1 hr. 1 g)
DIN EN ISO 3251
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