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Coatings Ingredients
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Coatings Ingredients
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Durazane® 5500

Durazane® 5500 by Merck KGaA, Darmstadt Germany is a dispersion of core/shell-nanoparticles to improve the scratch resistance of solvent-borne coatings. It consists of an amorphous SiO2 core and a polymer cladding material. Since the nano particles are completely incorporated in a polymeric matrix, no nanoscalic dust is produced when the solvent is removed. It is compatible with clear and pigmented solvent-based 2 K PU coatings systems. A dosage of 1-2.5% of Durazane® 5500 is recommended for coating formulations. As the polymer shell contains OH-groups, the amount of hardener should be adapted to the dosage of Durazane® 5500. It has a shelf life of 36 months.

Original Datasheet:
In the United States, Canada and Puerto Rico the performance materials business of Merck KGaA, Darmstadt, Germany operates as EMD Performance Materials.
Select your region for receiving the correct data sheet:
I am located in United States, Canada and Puerto Rico
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Product Type
Scratch / Scrub / Mar Resistance Agents > Silicone-based
Physical Form
Dispersion, Transparent
Appearance
Colorless
Product Status
COMMERCIAL
Applications/ Recommended for
  • Coatings > Solventborne
  • Resins > Polyurethanes (PU)

Durazane® 5500 Properties

Property

Value & Unit
Test Condition
Test Method
Solids, Thermogravimetric analysis, residue substance
48 - 52 %
Turbidity, Nephelometric measurement
< 20 NTU
Water Content, Karl - Fischer
< 1.0 %

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