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ReliFoam DF163 Series

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Technical Data Sheet (TDS) – ReliFoam™ DF163 Series Dispersants

PRODUCT RELIFOAM™ DF163 SERIES

CHEMISTRY Nonionic Polymeric Dispersant

ACTIVE CONTENT 45%

High Molecular Weight Polyurethane / Block Copolymer Dispersants for Solvent-Based Coatings and Inks

Product Description

ReliFoam™ DF163 Series consists of high-performance, nonionic polymeric dispersants designed for efficient

pigment wetting and stabilization in solvent-based coating and ink systems. The products provide excellent

compatibility with a wide range of resin systems while delivering superior grinding efficiency, color development,

and long-term pigment stability.

The series includes:

  • ReliFoam™ DF163A – High molecular weight polyurethane dispersant
  • ReliFoam™ DF163B – High molecular weight block copolymer dispersant containing pigment affinity

groups.

Typical Physical Properties

Property Specification

Appearance Light yellowish liquid

Active Content 45%

Ionic Character Nonionic

Polymer Type High molecular weight polymeric dispersant

Chemical Type Polyurethane (3163A) / Functionalized Block Copolymer (3163B)

Recommended Applications

The ReliFoam™ DF163 Series is suitable for solvent-based coating, ink, and colorant formulations.

Typical properties and specifications

Compatible resin systems include:

  • Acrylic
  • Hydroxy acrylic
  • Thermosetting acrylic
  • Alkyd
  • Polyester
  • Epoxy
  • Aldehyde ketone resins

Coatings

  • Automotive OEM coatings
  • Automotive refinish coatings
  • Industrial coatings
  • Wood coatings
  • Solvent-based decorative coatings

Printing Inks

  • Packaging gravure inks
  • Ester-ketone systems
  • Aromatic solvent systems

Pigment Concentrates & Universal Colorants

Suitable for manufacturing universal colorants and pigment concentrates used in solvent-based systems.

Suitable Pigments

The products are effective for dispersing:

  • Titanium dioxide

Applications and benefits

  • Inorganic pigments
  • Organic pigments
  • Carbon black
  • Aluminum powder
  • Metallic and effect pigments

Key Benefits

  • Excellent pigment wetting
  • High grinding efficiency
  • Outstanding pigment stabilization
  • Excellent resin compatibility
  • Broad formulation versatility
  • Improved color strength and color development
  • Reduced pigment flocculation
  • Suitable for a wide variety of solvent-based formulations
  • Excellent performance with carbon black and organic pigments

Recommended Dosage

(Based on pigment weight)

Pigment Type Recommended Addition

Titanium Dioxide (TiO₂) 4–5%

Inorganic Pigments 15–20%

Organic Pigments 30–60%

Carbon Black 80–100%

Product Selection Guide

Use levels, packaging, and storage

Product Recommended For

ReliFoam™ DF163A General-purpose solvent-based coatings and inks requiring excellent compatibility across a wide range of resin systems.

ReliFoam™ DF163B High-performance pigment concentrates, universal colorants, and formulations containing metallic or effect pigments where stronger pigment affinity is desired.

Storage

Store in the original tightly closed container in a cool, dry, and well-ventilated area. Protect from excessive heat, freezing, and direct sunlight.

Packaging

Available in industrial packaging upon request.

Handling

Refer to the Safety Data Sheet (SDS) for information regarding safe handling, storage, and disposal.

Technical Support

For formulation assistance or additional technical information, please contact your local sales representative or technical service department.

Disclaimer: The information contained in this Technical Data Sheet is based on current knowledge and experience. It is intended as a guide for evaluation and formulation purposes and does not constitute a specification or guarantee of product performance. Users should evaluate the product under their own processing conditions to determine suitability for the intended application.

Reliant Chemical

PO Box 5100

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