Universal Pigments for Epoxy & Polyurethane Resins | Liquid Resin Colorants | TECHNO DROPS

Universal Pigments for Epoxy & Polyurethane Resins | Liquid Resin Colorants (TECHNO-DROP™)

Universal Pigments and Colorants for Epoxy & Polyurethane Resins.TECHNO-DROP™ Universal Liquid Pigments are highly concentrated, phthalate-free, UV-resistant colorants engineered for precise coloration of epoxy and polyurethane resin systems. When added in small quantities to epoxy or urethane formulations, these pigments produce uniform, opaque parts without compromising system performance when used within recommended limits.

TECHNO-DROP™ pigments are designed to disperse rapidly and evenly into liquid resin matrices, delivering consistent color development and repeatable results across a wide range of industrial, woodworking, and manufacturing applications.

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Compatible Resin Systems

• Epoxy resins (casting, laminating, coatings, adhesives, potting)

• Polyurethane resins (rigid and elastomeric systems)

• Polyurethane coatings and sealers

• Polyester resins (compatibility testing recommended)

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Available Colors (8 Standard Colors)

• Black

• White

• Gray

• Red

• Blue

• Yellow

• Brown

• Green

Colors may be blended together to obtain custom shades. Final appearance depends on pigment loading, resin chemistry, thickness, and curing conditions.

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Key Features & Benefits

• Universal pigment compatible with epoxy and polyurethane systems

• High concentration for very low dosing rates

• Phthalate-free formulation

• UV-resistant pigments

• Excellent dispersion and color homogeneity

• Produces opaque parts at appropriate loadings

• Minimal impact on curing and mechanical properties when dosed correctly

• Suitable for manual and automated mixing processes

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Typical Applications

• Epoxy and polyurethane casting

• Decorative and industrial coatings

• Flooring systems

• Laminating and composite manufacturing

• Adhesives and bonding systems

• Potting and encapsulation

• Woodworking, furniture, and repair applications

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Recommended Dosage

• Typical dosage range: 0.01% to 3% by total system weight

Due to the high concentration of TECHNO-DROP™ pigments, very small quantities are sufficient to color large volumes of liquid epoxy or polyurethane.

• Lower dosages produce translucent or lightly tinted effects

• Higher dosages increase opacity and color intensity

⚠️ Do not overload the resin system. Excessive pigment loading may:

• Inhibit or slow polymerization

• Cause surface bleeding or exudation

• Negatively affect final performance

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User Guidance & Color Adjustment

The user determines the final pigment quantity based on the desired color intensity.

When using a pigment for the first time in an epoxy or polyurethane system, it is strongly recommended to:

1. Add a few drops of pigment to a small test batch of resin

2. Mix thoroughly and observe the resulting color

3. Adjust dosage progressively until the desired shade and opacity are achieved

Multiple test iterations may be required to reach the target color.

Important: Color results may vary depending on the UV resistance and formulation of the epoxy or polyurethane system used.

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Mixing Guidelines

1. Pre-mix resin Part A thoroughly before pigmentation

2. Add TECHNO-DROP™ pigment gradually while mixing

3. Mix until complete color homogeneity is achieved

4. Add Part B (hardener) according to the resin manufacturer’s specified ratio

5. Mix thoroughly, scraping sides and bottom of the container

Recommended processing temperature: 20–25 °C (68–77 °F)

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Physical Characteristics (Typical)

• Appearance: Liquid

• Odor: Low

• Solvent content: None

• Dispersion: Excellent

• UV resistance: Yes

• Density: Varies by color

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Storage & Shelf Life

• Store in original, tightly sealed containers

• Recommended storage temperature: 10–25 °C (50–77 °F)

• Protect from freezing and excessive heat

• Shelf life: 12 months under proper storage conditions

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Safety & Handling

• For professional and industrial use

• Use appropriate personal protective equipment (PPE)

• Refer to the Safety Data Sheet (SDS) prior to use

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Important Notes

• Always conduct compatibility and color testing before full-scale production

• Final color may vary depending on resin type, thickness, and curing environment

• TECHNO-DROP™ pigments are colorants only and are not intended to be used as standalone coatings or resins