RadionBase™ PBX Naphthol Red 2B
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RadionBase PBX Naphthol Red 2B is a radiation-curable dispersion of 35% Naphthol Red 2B (Pigment Red 48:1) in a mixed oligomer system. This vehicle system has been optimized for use in paper and board, with possible applications with some surface-treated or oxidized films as well. Recommended dosage of RadionBase PBX Naphthol Red 2B C is 40%-55% by weight in a finished ink. RadionBase PBX series energy-curable bases feature soft easy-to-handle viscosity with excellent pigmentation levels.


Typically used to make more robust fade- and chemically resistant Warm Red inks than with Red Lake C pigment, 40% to 60% of RadionBase PBX Naphthol Red 2B by total formula weight is considered a normal loading for most paste ink formulas. Excellent results for coated and uncoated stock litho & web offset ink formulas can be obtained by blending RadionBase PBX dispersions with Radion Vehicle UVP composite letdown varnish. RadionBase PBX series bases can be used for mercury UV, HUV, and LED UV formulas. ​

Chemical Resistance: 5% HCl: Good 5% NaOH: Good

Bleed Resistance: Water: Excellent Ethanol:  Good Hot Paraffin: Very Good Soap: Good Lacquer Solvents: Very Good Linseed Oil: Very Good Diethylene Glycol: Very Good Mineral Spirits: Very Good


Lightfastness: Full Good: Excellent Tint: Fair


Pigment type: Naphthol Red 2B (Red 48:1)

Color Index No: 15865:1

Pigment Content: 35%

Solvent Content: 0%

Solvent Boiling Range: N/A

Bio/renewables content: 11%

Vehicle type: UV- or EB-cure acrylic esters & epoxies

Appearance: Thick, tacky red paste

Color Plant & Offices: 2020 West Parkes Drive, Broadview, IL 60155

Black Plant: 2700 South 12th Avenue, Broadview, IL 60155

Telephone 708 344 1295  FAX  708 865 5759

© 2017 By R. A. Kerley Ink Engineers, Inc. (Kerley Ink)