ARALDITE 2031-1
Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other
Main features
- Toughened Structural Bonding
- 60 to 70-Minute Working Window
- High Weathering Resistance Supported by Tropical-Weathering
Product Description
ARALDITE 2031-1 is a two-component, room-temperature-curing black epoxy paste adhesive for structural bonding of metals and composites. It is toughened to form a resilient bond and has thixotropic, non-slumping behavior, including non-sag application up to 10 mm. The mixed adhesive has a 60-70 minute pot life at 25°C, while integrated spacers establish a minimum 0.05 mm bondline. It is particularly suitable for GRP, CFRP and SMC bonding, and the supplier identifies high weathering resistance for bonded-joint applications.
Key features
- Toughened structural epoxy: Forms a resilient bond for supported metal and composite joints and is identified for high weathering resistance.
- Thixotropic non-sag paste: Remains non-slumping and can be applied at thicknesses up to 10 mm.
- Controlled application window: Provides a 60-70 minute pot life at 25°C and integrated spacers for a minimum 0.05 mm bondline.
Applications / Suitable for
- Metal bonding
- GRP bonding
- CFRP bonding
- SMC bonding
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Additional Information
Uncured and mixed-adhesive properties
Values describe the uncured components or mixed adhesive. Approximate values are identified; pot life is based on a 100 g mix at 25°C.
| Property | Value | Unit | Method condition |
|---|---|---|---|
| Appearance | Black paste | — | Component A, Component B and mixed adhesive; visual method A112 |
| Specific gravity | A: approx. 1.2; B: approx. 1.4; mixed: approx. 1.3 | — | As supplied |
| Rheology | Thixotropic | — | Component A, Component B and mixed adhesive at 25°C |
| Pot life | 60-70 | min | Mixed adhesive; 100 g at 25°C |
| Mix ratio by weight | 100:120 | A:B | Resin:hardener |
| Mix ratio by volume | 100:100 | A:B | Resin:hardener; 1:1 volume |
| Non-sag thickness | Up to 10 | mm | Mixed paste adhesive |
| Minimum bondline thickness | 0.05 | mm | Integrated spacers |
Recommended bonding sequence: prepare, mix or dispense, apply, assemble, clamp and cure.
Recommended bonding sequence
Store both components in sealed containers at room temperature and use by the expiry date shown on the label. Clean uncured residue from tools with hot water and soap before cure. Use suitable gloves, eye protection and ventilation, avoid skin contact and consult the current Safety Data Sheet for full handling requirements.
Cured mechanical properties
Unless otherwise stated, values are typical laboratory results. Joint properties depend on substrate, surface preparation, bondline, cure and test configuration.
| Property | Value | Unit | Method condition |
|---|---|---|---|
| Lap shear strength | >20 | MPa | At 25°C; method A501; specified product data |
| Roller peel | 5 | N/mm | ISO 4578; sand-blasted aluminum; cure 16 h at 40°C; typical |
| Glass transition temperature | 75 | °C | DMA, ISO 6721; cure 16 h at 40°C; typical |
| Tensile strength | 23 | MPa | ISO 527; cure 16 h at 40°C; tested at 23°C; typical |
| Tensile E-modulus | 1 | GPa | ISO 527; cure 16 h at 40°C; tested at 23°C; typical |
| Tensile elongation at break | 12 | % | ISO 527; cure 16 h at 40°C; tested at 23°C; typical |
| Flexural strength | 37 | MPa | ISO 178; cure 16 h at 40°C; tested at 23°C; typical |
| Flexural E-modulus | 1.2 | GPa | ISO 178; cure 16 h at 40°C; tested at 23°C; typical |
Weathering, ageing and fluid-exposure evidence
Condition-specific laboratory programs evaluate lap shear performance after tropical weathering, heat ageing, Cataplasma ageing and immersion in multiple media. These results apply to the stated substrates, preparation, cure and test conditions.
