Techniglue R85
Structural Adhesive

Product info

R85 — High-Temperature Structural Adhesive

TECHNIGLUE® R85 is a high-performance, toughened structural epoxy adhesive engineered for bonding applications exposed to elevated temperatures. Designed to maintain strength and durability up to 120°C, R85 delivers reliable structural performance where conventional epoxy adhesives can soften or lose integrity.

Formulated for multi-material bonding, R85 provides excellent adhesion across metals, composites, ceramics, timber and stone. Its thixotropic paste consistency offers superior gap-filling capability and sag resistance, allowing controlled application on vertical surfaces and uneven substrates.

With high peel resistance and load-bearing performance, TECHNIGLUE® R85 is ideal for industrial, transport, marine and composite manufacturing applications where both structural strength and thermal stability are critical.

Its advanced epoxy chemistry ensures long-term durability under heat, mechanical load and environmental exposure, making R85 the preferred solution for demanding structural bonding environments.

Structural Epoxy Adhesive Performance

TECHNIGLUE® R85 is engineered for structural bonding applications where temperature resistance, durability and substrate versatility are essential.

The formulation delivers strong adhesion across both porous and non-porous materials, including metals, composites, ceramics and timber, enabling reliable bonding in mixed-material assemblies exposed to elevated temperatures.

Its thixotropic consistency ensures the adhesive remains in place during application, maintaining consistent bondline thickness while effectively filling gaps in irregular surfaces.

This makes TECHNIGLUE® R85 particularly suited to industrial, marine and transport applications, where structural performance must be maintained under heat, load and long-term service conditions.

KEY PERFORMANCE FEATURES

High-temperature resistance
Service performance up to 120°C
Toughened structural epoxy
Thigh peel and impact resistance
Excellent gap-filling
Capability for uneven bonding surfaces
Sag resistance
High sag resistance for vertical and overhead applications
Multi Material Bonding
Strong adhesion to metals, ceramics, composites, timber and stone
Solvent-free
Solvent-free formulation for clean, high-performance bonding

Where To Use R85

R85 is specifically engineered for applications where temperature resistance and structural performance must coexist.

Typical uses include:

Industrial equipment exposed to heat
Transport and automotive structural bonding
Marine engine bays and high-temperature zones
Metal-to-metal structural bonding
Composite-to-metal assemblies
General structural bonding where thermal stability is critical

PERFORMANCE POSITIONING

Not all structural adhesives perform under heat.

TECHNIGLUE® R85 is formulated to retain mechanical strength and bond integrity in elevated temperature environments where standard epoxy adhesives can soften, creep, or fail.

TECHNICAL SPECIFICATIONS

Substrate Suitability	Metals (Aluminium, Steel), Ceramics, Composites, Timber, Concrete, Stone
Pot Life	36 min
Cure to Solid State	9.5 hrs
Mix Ratio	100 parts resin to 40 parts H85 hardener by weight
Compatible Hardener	H85
Pack Size	750 ml / 1.5 L / 6 L

Techniglue R85 High-Thermal Structural Paste

ABOUT R85

R85 is part of the TECHNIGLUE® epoxy adhesive range, developed for structural bonding across a wide range of engineering materials and applications.

The system is engineered for:

Secondary bonding of fibre-reinforced composites
Structural bonding of metals, including aluminium and steel
Multi-material bonding across industrial, marine, and construction environments

Its toughened formulation improves peel resistance and durability, particularly in applications where thermal cycling or sustained elevated temperatures are present.

ATL ENGINEERING

Developed by ATL’s in-house polymer chemists, R85 undergoes comprehensive mechanical and thermal validation to ensure consistent performance in demanding structural environments.

ATL operates under an ISO 9001:2015-certified quality system, ensuring every batch delivers repeatable, high-performance results.

Explore ATL’s full range of structural adhesives on the Adhesives product category page.
https://atlcomposites.com.au/products/adhesives/

Learn more about ATL KINETIX epoxy laminating systems used in composite manufacturing.
https://atlcomposites.com.au/products/epoxy-resins/

Product Overview

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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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