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ADDITOL® XW 6528

ADDITOL® XW 6528 is a water-dilutable grinding medium suitable for color and shading pigment pastes. It exhibits compatibility with waterborne air-drying and stoving alkyds, waterborne acrylic resins, UV curing systems, anodic deposition-dipping lacquers, PU dispersions, and plastic dispersions. ADDITOL® XW 6528 serves as a co-crosslinking agent in melamine and isocyanate curing systems. Its functions include acting as a grinding aid. This additive is used in waterborne coatings and enamels, offering features such as improved hardness, high pigment loading, high gloss, enhanced chemical resistance, outdoor durability, good color stability, and wet-on-wet properties. Additionally, it is labeled as tin-free and APEO-free.

Identification

CASE Ingredients Functions
Grinding Aid

Product families

Applications

Paints & Coatings — Automotive & Transportation
  • Marine Coatings
Automotive & Transportation — Coatings & Finishes
  • Marine Coatings
Automotive & Transportation — Transportation
  • Marine

Product Families

CASE Ingredients — Additives
  • Functional Additives

Other characteristics

Brand
ADDITOL
End Uses
Enamel, Waterborne Coating
Features

Good Color Stability, High Gloss, High Pigment Loading, Improved Chemical Resistance, Improved Hardness, Outdoor Durability, Wet-On-Wet Properties

Functions
Grinding Aid
Labeling Claims
  • APEO-Free, Tin-free
  • APEO-Free
  • Tin-free
Markets
  • Automotive & Transportation
  • Paints & Coatings
Appearance
Opaque
Coating Type
  • Enamel
  • Waterborne Coating
Technology
CASE Ingredients
Application Methods
Dip Coating
Storage and Handling

At temperatures up to 25 °C storage stability packed in original containers amounts to at least 365 days. Synthetic resins containing water may freeze or get inhomogeneous at temperatues below 0 °C. By this the product will not suffer any damage, but the necessary regeneration requires extended heat treatment at 40 - 50 °C with continuous stirring. It is therefore recommended to ensure frostproof storage of such products.

Distinguishing Features

Due to the co-crosslinking capability of Additol XW 6528 in melamine and isocyanate systems final coatings show better chemical resistance and salt spray test results compared to any other type of waterborne grinding resin.

Special Properties and Uses

Additol XW 6528 is a water dilutable grinding medium which can be used for color- and shading pigment pastes. It is compatible in waterborne air-drying and stoving alkyds, waterborne acrylic resins, UV- curing systems, anodic deposition dipping lacquers, PU- dispersions and plastic dispersions. Additol XW 6528 is co-crosslinking in melamine and isocyanate curing systems.. It offers excellent wetting power for both inorganic and organic pigments. The pigment pastes are compatible with a wide variety of water dilutable binder systems. Special characteristics of binder systems remain unchanged by the use of Additol XW 6528. Leveling and gloss of coatings get improved.

Compatible Substrates and Surfaces
Metal

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