Advanced Materials
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Advanced Materials Raising performance in composites bonding

Composites bonding Choosing adhesives for composites assembly Araldite® adhesives A comprehensive product range Typical mechanical properties Epoxy adhesives Methacrylate adhesives Polyurethane adhesives Selection for CFRP bonding Main properties Araldite® 2015 Araldite® 2031 Araldite® AW 4858 / HW 4858 Araldite® AW 4859 / HW 4859 Araldite® 2029 High-end applications In rail vehicles In performance cars In marine In sport Advanced Materials

Assembly of composites < Table of content Selection for CFRP bonding > Adhesives are the 1st class choice ! ! ! ! ! ! ! ! ! Assembly of similar and dissimilar substrates Weight reduction compared to other mechanical assembly Reduce the stress concentration Superior fatigue resistance Easily processable (manually / automatically) No damage to the substrates (no holes) Sealed joints Compensation of dimensional tolerances Aesthetic aspect Requirements for composites bonding ! ! ! ! ! ! ! Good adhesion to the substrates High mechanical resistance High peel resistance High temperature resistance...

Araldite® adhesives < Table of content Selection for CFRP bonding > From adhesives with long open times for large area applications to fast-curing adhesives for early removal from fixtures and rapid through-put, these ranges include adhesives which are resistant to high temperature, water and chemicals. Liquid adhesives as well as thixotropic adhesives for gap-filling or vertical applications can be found in these ranges. Adhesives with highest strength can be selected from these range as well as tough and impact-resistant adhesives with well-balanced combination of strength and flexibility...

Araldite® adhesives Selection for CFRP bonding > High-end applications Typical mechanical properties Enriching lives through innovation Epoxy adhesives Methacrylate adhesives Structural polyurethane adhesives Advanced Materials

Araldite® adhesives Selection for CFRP bonding > High-end applications Epoxy adhesives ■ Excellent adhesion to metals and thermoset composites High strength and high stiffness High creep resistance High fatigue resistance High temperature resistance (up to 190°C) Excellent chemical resistance and long-term durability Enriching lives through innovation Advanced Materials

Araldite® adhesives < Table of content Selection for CFRP bonding > Methacrylate adhesives ! ! ! ! ! ! ! Advanced Materials Excellent adhesion to metals, thermoset composites and most thermoplastics omposites Surface contamination tolerant High strength combined with high toughness High fatigue resistance Good chemical resistance and long-term durability Very fast-curing adhesives available Possibility for hardener lacquer method (no mix)

Araldite® adhesives < Table of content Selection for CFRP bonding > Polyurethane adhesives ! ! ! ! ! Advanced Materials Excellent adhesion to most composite materials and plastics Good adhesion to metals Mechanical properties from rigid to flexible High fatigue resistance Good long-term durability

< Table of content Araldite® adhesives > Selection for CFRP bonding > High-end applications Main properties ■ High mechanical performance ■ Bonds well dissimilar substrates ■ Good thermal resistance Enriching lives through innovation Advanced Materials

< Table of content Araldite® adhesives > Selection for CFRP bonding > High-end applications Main properties ■ High mechanical performances ■ Good thermal resistance Enriching lives through innovation

< Table of content Araldite® adhesives > Selection for CFRP bonding > High-end applications Main properties ■ High peel resistance, toughened ■ Shiny black, gap filling ■ Ideal for big CFRP parts bonding ■ Open time > 1 hour Enriching lives through innovation

< Table of content Araldite® adhesives > Selection for CFRP bonding > High-end applications Main properties ■ High peel resistance, toughened ■ Shiny black, gap filling ■ Open time > 1.5 hours Enriching lives through innovation

< Table of content Araldite® adhesives > Selection for CFRP bonding > High-end applications Main properties ■ Ideal for large parts bonding ■ High performance PU, flexible Enriching lives through innovation

Araldite® adhesives for CFRP bonding Enriching lives through innovation < Table of content Araldite® adhesives > Selection for CFRP bonding > Advanced Materials

Araldite® adhesives for CFRP bonding Enriching lives through innovation < Table of content Araldite® adhesives > Selection for CFRP bonding > Performance on aluminium versus temperature Advanced Materials

Araldite® adhesives for CFRP bonding < Table of content Selection for CFRP bonding > Performance on metals Lap Shear Strength at 23°C (MPa) Advanced Materials

Araldite® adhesives for CFRP bonding Enriching lives through innovation < Table of content Araldite® adhesives > Selection for CFRP bonding > Peel strength at room temperature (N/mm) Advanced Materials

Araldite® adhesives for CFRP bonding Enriching lives through innovation < Table of content Araldite® adhesives > Selection for CFRP bonding > High-end applications Strength on aluminium : comparison to epoxy adhesive references Peel strength at 23°C (N/mm) / Lap Shear Strength (MPa) / Service temperature Advanced Materials

Araldite® adhesives for CFRP bonding < Table of content Selection for CFRP bonding > Assembly of composites : main properties overview Product designation Peel performance Thermal resistance Chemical resistance Advanced Materials

Selection for specific requirements < Table of content Araldite® adhesives > Selection for CFRP bonding > High-end applications High service temperature Flame retardant properties Fast curing epoxy (5 min gel time - 60 min handling time) Fast curing methacrylates Araldite® 2021, Araldite® 2022, Araldite® 2048 (5-10 min gel time, 15-20 min handling time, tolerant to surface preparation)