Technirez R2501
Aluminium-Filled System

Product info

TECHNIREZ® R2501 – Aluminium-Filled Epoxy Tooling System for Elevated-Temperature Moulds

TECHNIREZ® R2501 is a solvent-free, aluminium-filled epoxy resin formulated for the production of high-temperature composite tooling. Designed for use with H2402, H2403, or H2409 hardeners, the system cures at ambient temperature and can withstand temperatures up to 120°C when post-cured appropriately.

R2501 is engineered for demanding tooling applications, including vacuum forming moulds, prototype injection moulds, blow moulds and foundry patterns. Its aluminium-filled composition provides enhanced thermal conductivity, ensuring faster, more uniform heating during moulding cycles.

For applications requiring even higher heat transfer and improved dimensional stability, TECHNIREZ® AL1000 aluminium granules may be incorporated into the mixed resin system. The granule content can be adjusted to suit tooling size, thermal requirements and processing conditions, with higher filler levels delivering superior heat conduction.

R2501 produces tough, resilient moulds with excellent mechanical strength, reduced brittleness and reliable performance at elevated temperatures — making it a versatile and cost-effective alternative to conventional high-temperature tooling materials.

– Advanced Tooling For Advanced Manufacturing.

KEY PERFORMANCE FEATURES

Aluminium-Filled Epoxy System For High-Temperature Tooling
Ambient-Cure Resin With Post-Cure Capability Up To 120°C
Enhanced Thermal Conductivity For Efficient Moulding Cycles
Suitable For Vacuum Forming, Injection, Blow Moulding & Foundry Patterns
Compatible With AL1000 Granules For Customised Heat Transfer
Tough, Resilient Castings With Excellent Dimensional Stability
Solvent-Free Formulation For Clean Processing & Low Shrinkage
Adjustable Filler Ratios To Suit Specific Tooling Requirements

TECHNICAL SPECIFICATIONS

Pot Life	60 / 90 / 300 mins
Cure to Maximum Strength	3 days
Mix Ratio	10 parts H2402 hardener to 100 parts resin by weight 10 parts H2403 hardener to 100 parts resin by weight 12 parts H2409 hardener to 100 parts resin by weight
Compatible Hardener	H2409 Slow / H2403 Medium / H2402 Fast
Physical State	Grey viscous liquid
Pack Size	Resin 25kg Hardener 2402 5 / 25kg Hardener 2403 4.5 / 22kg Hardener 2409 5 / 22.5kg

Technirez R2501

frequently asked questions

How does ATL tailor composite systems for different industries?

Every industry has distinct performance, compliance, and manufacturing requirements. ATL’s in-house chemists and engineers develop and refine epoxy systems, adhesives, and core materials to meet the specific demands of marine, defence, aerospace, automotive, industrial, civil, architectural, and sporting applications — ensuring every product delivers optimal strength, efficiency, and durability.

Can ATL customise materials for my project or process?

Yes. ATL offers custom formulation and process engineering support to align material performance with your production requirements — whether infusion, hand lay-up, lamination, bonding, or CNC-routed panel construction. Our technical team collaborates closely with customers to deliver precision-matched resin systems and structural solutions for unique applications.

Are ATL’s composite systems certified for high-performance applications?

Absolutely. ATL operates under an ISO 9001:2015-certified quality management system, with selected materials approved by DNV for use in structural and high-load applications. Every ATL system is manufactured to exacting standards of performance, consistency, and traceability to meet the demands of defence, industrial, and advanced engineering environments.

What makes ATL’s materials suitable for large-scale or structural builds?

ATL’s epoxy systems, structural panels, and composite cores are engineered for high strength-to-weight performance, dimensional stability, and fatigue resistance. These attributes make ATL materials ideal for large composite assemblies, modular structures, and precision-engineered components where long-term strength, weight reduction, and reliability are essential.

Does ATL offer sustainable or bio-based composite options?

Yes. ATL is committed to advancing sustainable composite technology, offering USDA-Certified Bio-Based epoxy systems and environmentally conscious materials that reduce waste, extend service life, and minimise environmental impact. Our ongoing R&D focuses on improving sustainability without compromising structural integrity or mechanical performance.

How can I select the right ATL system for my application?

Choosing the ideal composite system depends on your structure’s design, load requirements, manufacturing process, and environmental exposure. ATL’s in-house engineers and chemists provide tailored advice to ensure the correct combination of resin, core, adhesive, and surface technology for your project.
To discuss your application or request technical guidance, contact ATL’s Technical Team — we’ll help you identify the most effective and efficient composite solution for your build.

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