Product Overview

TPU Color Masterbatches is developed for thermoplastic polyurethane products that require uniform coloration, good dispersion and compatibility with flexible TPU resin systems. Model TPUM can be customized according to customer color samples, target shades and end-product requirements.

It is suitable for colored TPU products such as cable jackets, flexible tubes, profiles, molded parts, footwear components and other elastomeric applications. Because TPU grades can differ in hardness, chemistry and processing temperature, color matching should be verified with the customer's actual resin whenever possible.

Quick Product Summary

Item	Details
Model	TPUM
Carrier / Base Compatibility	TPU
Material Family	Thermoplastic polyurethane / thermoplastic elastomer
Color Matching	Customized according to sample or target shade
Appearance	Cylindrical pellets, approx. Φ2.5 × 3 mm
Main Focus	Dispersion • color stability • TPU compatibility • customization

Key Advantages

Carrier system engineered for compatibility with TPU in flexible polyurethane applications
Custom color development tailored to customer samples or specified color references
Superior dispersion for enhanced color uniformity
Suitable for extrusion and molding of flexible TPU-based products

Typical Applications

TPU cable jackets
Flexible tubing and hoses
TPU profiles
Footwear components
Molded elastomer parts
Protective components
Flexible industrial products

Application & Color-Matching Guidance

TPU Resin Compatibility
TPU formulations can vary in hardness, transparency, polyester or polyether chemistry, additives and processing temperature. These differences can affect the final shade and dispersion behavior, so the customer's actual TPU grade should be used during color approval whenever possible.

What to Confirm Before Color Matching

Precise TPU designation and hardness value
If relevant, identification of TPU type (polyester or polyether)
Color target: customer-provided sample, Pantone/RAL reference, or approved standard
Processing route: extrusion or injection molding
Usual processing temperature window
Desired appearance attributes: opacity, gloss level, and surface texture

Color Approval Process

Confirm the TPU resin and end-product application.
Develop the initial color formula against the target shade.
Run a trial using the actual customer TPU whenever possible.
Evaluate color difference, dispersion and surface appearance.
Adjust the formulation if necessary for transparency, opacity or migration behavior.
Retain the approved sample as the reference for repeat production.

Recommended Extrusion Process Temperature

Test Item	TPUM Typical Specification
Appearance	Cylindrical pellets
Carrier Resin	TPU
Acid & Alkali Resistance	Grade 3-5
Weather Resistance	Grade 5-8
Migration Resistance	Grade 4-5
Color Difference	ΔE ≤ 1.0
Moisture Content	≤ 0.15%
Environmental Compliance	According to applicable industry requirements

Quality Control Focus

Control Point	Evaluation Purpose
Color Difference	Consistency against the approved color standard
Dispersion	Uniform color and reduced pigment streaking
Carrier Compatibility	Stable blending with the target TPU resin
Migration Resistance	Reduced risk of color transfer
Weather Resistance	Color retention under intended exposure
Moisture Control	More stable TPU processing

FAQ

1. What is TPUM used for?

TPUM is intended for coloring thermoplastic polyurethane products used in flexible extrusion and molding applications.

2. Is TPU the same category as conventional engineering plastics?

No. TPU is more commonly classified as a thermoplastic polyurethane elastomer, which is why TPUM is presented separately from the engineering-plastic masterbatch range.

3. Can custom colors be supplied?

Yes. Colors can be matched according to physical samples, Pantone / RAL references or other approved color standards.

4. Why should the actual TPU grade be provided?

TPU can vary in hardness, transparency, chemistry and processing temperature, all of which can influence the final color.

5. What is the moisture-content specification?

The unified moisture-content specification is ≤ 0.15%.

6. Can one color formula be used for all TPU grades?

Not necessarily. The color formulation may need adjustment for different TPU hardness levels, chemistries, transparency and processing conditions.

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