Orco Air-Dry Binder 6398™

Orco Air-Dry Binder 6398™ is a durable modified styrene-acrylic designed for multiple uses where a low temperature curable binder is required. Having good flexibility and water resistance, Orco Air-Dry Binder 6398™ is used both as a primary pigment binder as well as a top finish to improve crock resistance.

Physical Properties

  • Appearance Milky white emulsion
  • Odor Mild acrylic odor
  • Solids 45%
  • Tg 20° C
  • Specific Gravity 1.06
  • pH 4.0 – 5.0


  • No reportable formaldehyde residuals
  • High water resistance
  • Flexible, tack free characteristics
  • Carboxyl functionality
  • Low temperature dry/cure
  • Recommended catalysts are Zinc or Zirconium type salts

Orco Air-Dry Binder 6398™ emulsification / colloid system is sensitive to low pH’s. To avoid any problems when formulating, maintain a pH above 7.0 at all times.

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