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Coatings Ingredients
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Coatings Ingredients
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Substance WR4-SF Patinal®

Substance WR4-SF Patinal® by Merck KGaA, Darmstadt Germany is used to deposit thin films with both hydrophobic (water repellent) as well as oleophobic properties. It eases the removal of water, smudge, and fingerprints and imparts an “easy-to-clean” characteristics to the surface. Application is mainly in -but not limited to- the field of optical elements. By usage of a suitable adhesion layer material (also available in the Patinal® portfolio), the Substance WR4-SF Patinal® layer shows high performance in terms of water contact angle as well as high durability and resistance to wiping and abrasion. Substance WR4-SF Patinal® layer deposition is accomplished by evaporation in vacuum.

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:
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Product Type
  • Hydrophobing Agents
  • Water Repellents
Product Status
COMMERCIAL
Geographical Availability
Central and Eastern Europe, Middle East and Central Asia, North America, Western Europe
Applications/ Recommended for
Coatings

Substance WR4-SF Patinal® Properties

Property

Value & Unit
Test Condition
Test Method
Evaporation Temperature
600 °C
(15-20 nm thickness. <4×10-5 m-bar Chamber Pressure)

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