Unsaturated Polyester Resins (UPR)

UPR Overview: Matpol® – The Foundation of Modern Composites

Unsaturated Polyester Resins (Matpol® brand) are the cornerstone of the composites industry, valued for their exceptional balance of performance, versatility, and cost-effectiveness. Produced in-house by Matrix Chemical Industries (MCI) under strict quality control systems, our UPR formulations provide a dependable thermosetting polymer engineered for both general-purpose and highly demanding applications. With inherent advantages such as superior structural strength, long-term durability, chemical resistance, and protection against corrosion, Matpol® UPR serves as a stable, high-performance foundation for manufacturers creating reliable composite products across diverse industrial sectors.

Key Technical Advantages of Matpol® UPR:

Our UPR solutions are designed to deliver unmatched performance across diverse markets such as marine, automotive, construction, sanitary ware, and industrial composites. With the ability to customize resin behavior—including mechanical strength, curing profile, fire-retardant performance, and environmental resistance—MCI ensures every product meets the specific technical requirements of its clients. Whether used for high-gloss protective gel coats, structurally demanding parts, chemical-resistant equipment, or decorative casted materials, Matpol® UPR consistently provides the durability, stability, and processing ease required for high-quality composite manufacturing.
Matpol® Unsaturated Polyester Resins represent a comprehensive and versatile portfolio tailored to various industrial processes and product requirements. Each resin grade is formulated to optimize handling, curing behavior, and end-use performance, enabling manufacturers to achieve superior results in molding, laminating, casting, coating, and surface finishing applications.

Matpol® UPR Product Categories

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Brief Description:

The outer layer of the composite, formulated to provide a durable, aesthetic finish that protects the underlying laminate.

Key Applications & Benefits:

Provides a high-gloss, UV-stable, and chemical-resistant surface finish for Marine, Sanitary Ware, and Automotive parts.

Orthophthalic Polyester Resin

Brief Description:

The most common and economical resin grade, offering a reliable balance of mechanical strength and general-purpose handling.

Key Applications & Benefits:

Used for standard, non-critical parts and composites where basic strength and dimensional stability are required.

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Brief Description:

A standard, versatile resin optimized for broad use in general molding and laminating processes across various light industrial applications.

Key Applications & Benefits:

Offers good wetting and handling characteristics for cost-efficient production of non-structural parts.

Isophthalic-Polyester-Resin

Brief Description:

A premium resin grade designed to deliver superior resistance against chemical attack, corrosion, and high temperatures.

Key Applications & Benefits:

Essential for demanding environments like Storage Tanks, Pipelines, and applications with prolonged exposure to aggressive media.

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Brief Description:

A high-performance, often Isophthalic-based resin, engineered for maximum resistance to water ingress and saltwater degradation.

 

Key Applications & Benefits:

Provides superior protection against osmosis and weathering for durable Boat Hulls and Decks.

 

Brief Description:

Formulated with controlled exotherm (heat generation) and low shrinkage for pouring thick, solid objects or embedding items.

 

Key Applications & Benefits:

Ideal for casting furniture components, solid plastic parts, and novelty items that require clarity and minimal internal stress.

 

Epoxy resin

Brief Description:

A specialized resin mixed with high filler content to produce a non-porous, highly decorative, and repairable finished surface.

 

Key Applications & Benefits:

Used to create elegant Kitchen Countertops, Sinks, and Vanity Tops known for stain and bacterial resistance.

 

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Brief Description:

Highly specialized for clarity, light transmission, and ease of machining, allowing for precise casting and polishing of small objects.

 

Key Applications & Benefits:

Used primarily in the production of high-quality buttons and small, precision-cast decorative items.

 

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Brief Description:

A fast-curing, specialized filler resin with strong adhesion properties, designed for application over existing automotive bodywork.

 

Key Applications & Benefits:

Utilized in auto body repair for rapidly fixing dents, scratches, and imperfections due to its rapid cure and excellent sandability.