Colour Paste for PU

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Colour Paste for PU Specification

Classification
Pigment Paste for Polyurethane (PU) Systems

Type
Colour Paste

CAS No
Mixture (varies by pigment)

Grade
Industrial Grade

Purity
High Purity (Typically >98%)

Application
Polyurethane Coloring, PU Leather, PU Foam, PU Coatings, PU Adhesives

Color
Various (Customizable as per requirement)

Form
Paste

Size
Available in 1 kg, 5 kg, 25 kg packaging or as per order

Storage Condition
Store in a cool, dry place, keep container tightly closed

Viscosity
Medium to High (Paste Form)

Shelf Life
12 Months (unopened, standard conditions)

Heat Stability
Up to 200°C (depends on pigment type)

Solubility
Insoluble in Water, Dispersible in PU Matrix

pH Value
Neutral

Compatibility
Compatible with Polyether, Polyester PU Systems

VOC Content
Low

Light Fastness
Good (Varies by Color)

Features
High Tint Strength, Excellent Dispersion, Uniform Coloring

About Colour Paste for PU

Clients can avail from us an effective range of Colour Paste for PU that has low viscosity. It is formulated using quality tested ingredients and updated technology following the defined "ISO" standards. Owing to the features like acid resistance, precise pH value and permanent stable color, the offered range is preferably used as coloring agent in plastics, chemical analysis, primers & paints, paper, etc. This Colour Paste for PU is tested on defined parameters and offered in optimum packaging material.

PU Color Paste

Polyurethane Color Paste of high quality is manufactured for specialized applications by using Pigments and other polymeric raw materials of only reputed makes with most appropriate specification.
Intensive in-house development of specialized Colorants are done specially for Polyurethane Products with due consideration of hue, chroma strength, opacity and off course at value for money prices.
CHEMIE Color Paste are suitable for coloring of all kinds of Polyurethane products like flexible slab-stock foam, semi flexible foams, Automotive Parts, Shoes, Toys, Industrial and Consumer goods.

Color Pastes With Special Properties are:

Low Viscosity paste for Dosing machines at av very low level of consumption.
Phthalate free colors as per the REACH norms for footwear industry are also available on demand.
Specialty Non Yellowing White Color Paste with UV resistance properties are also available for various PU Applications.
Melamine based paste are available for Fire-Retardent and Acoustic Properties.
High Jet Black Color with dosing properties based on Polyols and Phthalate free compositions are available for PU Applications.

Chemie color paste offer you a wide range of advantages.

Excellent compatibility with the polyurethane system with proper binder ingredients.
Finely dispersed pigment paste (total avoidance of mechanical problems).
High color intensity pigment pastes with low loading to get desired color characteristics.
Stable colorants to thermal degradation, chemical attack and radiation.
Insoluble in water.
Consistency in color shades and viscosity.
Non fading (use of pigments of very high light fastness and resistance).
No fogging effects. Specially designed color paste for automotive industry.
Rich and UV protective coloring of polyurethane foam.
Compatible for both Polyester and Polyether Polyol based PU System.
High viscosity paste for blending in Polyol to get maximum yields.

Outstanding Dispersion and Tint Strength

This Colour Paste for Polyurethane systems offers superior pigment dispersion, ensuring vibrant and uniform coloring in all PU-based applications. Its high tint strength means less pigment is required to achieve outstanding color results, saving on costs and enhancing finished product consistency across batches.

Versatile Compatibility with PU Systems

Designed to be fully compatible with both polyether and polyester polyurethane matrices, this colour paste disperses effortlessly, delivering consistent color across PU leather, foam, coatings, and adhesives. With customizable shades, it adapts to a wide range of manufacturing needs within the PU industry.

FAQs of Colour Paste for PU:

Q: How is Colour Paste for PU used in polyurethane applications?

A: Colour Paste for PU is directly dispersed into polyurethane pre-polymers or systems. Its smooth paste form ensures even distribution, resulting in uniform coloring and excellent pigment integration without the need for pre-grinding or complex mixing processes.

Q: What are the main benefits of using this colour paste in PU manufacturing?

A: The paste offers high tint strength, good light fastness, and excellent heat stability, making it ideal for demanding PU applications like automotive interiors, footwear, and furniture. Its low VOC content supports safer, more eco-friendly production environments.

Q: When should the Colour Paste for PU be added during the PU manufacturing process?

A: For best results, the colour paste should be added during the mixing or pre-polymer stage to ensure complete dispersion. Adding it too late may risk inadequate color consistency and pigment distribution.

Q: Where should the Colour Paste for PU be stored to maintain its quality?

A: Store the paste in a tightly closed container in a cool, dry area. Avoid exposure to moisture and direct sunlight. If stored under these standard conditions and unopened, it maintains optimal properties for up to 12 months.

Q: What makes this colour paste compatible with different PU systems?

A: The formulation is designed for easy dispersion across both polyether and polyester PU systems. Its neutral pH and high purity prevent unwanted reactions or interference during curing, providing flexibility for a broad range of polyurethane products.

Q: Can Colour Paste for PU be customized to match specific color requirements?

A: Yes, this paste can be tailored in a variety of shades based on customer specifications. Custom color matching is available to suit your product or branding needs.

Q: What is the recommended process for achieving consistent color using this pigment paste?

A: Measure and add the recommended quantity of paste during the initial mixing phase, ensure uniform blending, and conduct a color check with a sample before full-scale production. Adjust dosage as needed for your desired shade and application.

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