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

Knowde Enhanced TDS

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