Pergopak® M4 is a radiation-curable flattener powder designed for various coating applications, including varnishes and industrial coatings. Its low viscosity, good gloss retention, and burnish resistance contribute to a smooth and high-quality finish in flexography, gravure coating, offset, screen coating, and can coating applications.

Functions: Flattener

Chemical Family: Urea & Urea Derivatives

End Uses: Coil Coating, Radiation Curable Ink, Varnishes

Features: Abrasion Resistance, Burnish Resistance, Excellent Scratch Resistance, Good Elasticity, Good Gloss Retention, Good Surface Feeling, Heat Resistance, Improves Adhesion, Low Viscosity, Matting, Radiation Curable, Water Resistance, Weather Resistance

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Identification & Functionality

CASE Ingredients Functions
Technologies

Features & Benefits

Product Highlights

PERGOPAK is used as a matting and effects agent for the paint and varnish industry.
Its main advantages are:

  • High matting efficiency
  • Low impact on rheology
  • Improved scratch and abrasion resistance
  • Improvement of adhesion and elasticity
  • Excellent weather resistance and gloss retention

Applications & Uses

Compatible Substrates & Surfaces
Cure Method
Ink & Toner Type

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Polymethyl Urea Resin (Reactive Methylol Groups)0.6%
Density1.47g/cm³
Bulk Density80.0kg/cm³
Packed Bulk Density (Compressed)200.0kg/cm³
Particle Size (d50)6 - 8.5µmLaser Diffraction
Particle Size (d90)15 - 19µmLaser Diffraction
Particle Size (d100)max. 36µmLaser Diffraction
Specific Surface (BET)14 - 22m²/g
Oil Absorption310.0cm³/100g
Refractive Index1.607
Solid Contentmin. 83%
Decomposition Temperaturemin. 220°C

Storage & Handling

Shelf Life
1 years