Spectra-Guard® Extender

Glossy Over Print Varnish and Color Extender



High Gloss Colored Liners
Printable Folding Cartons
Good Rub Resistance Post Printing
Angle of Slide High Volume Printing
  • The Spectra-Guard® Extender is an aqueous based over print varnish designed for optimum gloss, heat resistance and non-abrasive characteristics. The coating is designed for compatibility with all types of coating equipment.
    Along with excellent gloss, the coating has been designed to be FDA compliant enabling a broad range of product uses. The coating’s rub resistance properties ensure that no damage will be incurred to the packaging during packaging process.
  • Spectra-Guard®  Extender can be glued with cold-set adhesives or hot-melt adhesives. Spectra-Kote® can provide you with a detailed list of adhesives best suited for use with this coating.

    Spectra-Guard®  Extender is over-printable using Flexographic presses. It is recommended that all inks be reviewed for suitability of ink coverage.

  • Spectra-Guard®  Extender formulation will obtain excellent performance values through application with Flexographic, gravure, roll and rod coaters with in-line or off-line coating environments. Spectra-Kote® also offers pre-coated liners to help eliminate downtime associated with coating in-line at the corrugator.
  • Coating Type Acrylic
    Color Liquid / Dry :: Tan / Clear
    pH 7.5 – 8.5
    Viscosity #2 Zahn (sec) 45.0 — 60.0
    Repulpability Excellent
    FDA Compliant* Yes
    Freeze / Thaw Stable
    *For complete compliance information please contact Spectra-Kote®. The above
    properties are typical values and should not be interpreted as product specifications.

  • The Spectra-Guard® Extender water-based formulation is specially designed for simple handling. This non-hazardous coating can be washed clean from machinery with soap and water. The coating is compatible with standard industry water-based cleansers. If the coating comes in contact with the skin, simply rinse with water.