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Coatings Ingredients
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Coatings Ingredients
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Coapur™ XS 71

Coapur™ XS 71 by Coatex (Arkema Group) is a water soluble, non-ionic, solvent-and tin-free polyurethane thickener. Recommended for water-based systems which should combine high in-can viscosities with excellent pigment compatibility, further use on tinting machine or manual coloration. Offers a unique pseudoplastic rheology profile, performing also strongly at medium shear rate and significantly at high shear rates. Exhibits a smooth structure and an optimized easiness of coat with no spatter. It ensures the best color development possible while using pigment pastes, even in the presence of problematical binders. The use of Coapur™ XS 71 limits viscosity drop after pigment paste addition, eliminates pigment flooding and floating during storage and enables to match excellent results based on rub-out test. It can be used sole in matt dispersion paints or in combination with high shear effective thickeners such as COAPUR™ 3025 for one coat matt paint, eggshell, silk and semi-gloss paint. Designed for water-proof membrane coatings, anti-corrosion paints and wood stains. Recommended dosage level is 0.1-1% as sole thickener in matt dispersion paints and 0.05-0.8% when combined with a high and/or medium shear effective thickener in all kinds of formulations. Coapur™ XS 71 has a shelf life of 12 months.
Product Type
Rheology Modifiers / Thickeners
Chemical Composition
Polyurethane
Physical Form
Liquid
Appearance
Whitish
Product Status
COMMERCIAL
Geographical Availability
Africa, Asia / Pacific, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe
Applications/ Recommended for
  • Coatings > Waterborne
  • Resins > Alkyd Resins
  • Coatings Markets > Marine /Anti-Corrosive / Protective
  • Coatings Markets > Wood & Furniture Coatings > Stains

Coapur™ XS 71 Properties

Property

Value & Unit
Test Condition
Test Method
Active Content
17.5 %
pH @ 20°C
7
Specific Gravity @ 20°C
1.04

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