Cyanoacrylate Adhesive — LOCTITE 435
Brief Description
LOCTITE 435 is a one-component, clear, rubber-toughened low-viscosity cyanoacrylate instant adhesive. The product is formulated to bond metals, plastics, and elastomers, as well as porous and absorbent substrates. The bond initiates under normal atmospheric moisture conditions, and the adhesive develops functional strength within minutes, with subsequent curing over 24 hours.
What the product does and how it is used
LOCTITE 435 is used for rapid, structural bonding applications where flexibility and impact/peel strength are required. The rubber-toughened formulation enhances peel and impact resistance compared to non-toughened cyanoacrylates. The product has low viscosity, making it suitable for thin bond lines and for materials where penetration into porous surfaces is relevant.
- Fast fixture: typical fixture time on steel 30–45 seconds (22 °C, 50 % RH).
- Curing: atmospheric moisture initiates curing; full chemical/solvent resistance develops over approx. 24 hours.
- Low viscosity liquid: typically around 200 mPa·s (cP).
Technical Documentation
The technical data sheet from the manufacturer contains detailed measurements of mechanical properties, curing time on various substrates, and environmental resistance. See data sheet from the manufacturer
Typical Applications
- Bonding of metals, plastics, and rubber materials.
- Bonding of porous and absorbent materials such as wood, paper, leather, and textiles (as stated in the manufacturer's technical data).
Specifications
- Product name: LOCTITE 435
- Manufacturer: LOCTITE
- Manufacturer's part number: 1924664
- Technology: Cyanoacrylate
- Chemical type: Ethyl cyanoacrylate
- Appearance (uncured): Clear to straw-yellow, slightly cloudy liquid
- Components: One component — no mixing required
- Typical viscosity: approximately 200 mPa·s (cP)
- Typical fixture time on steel (22 °C, 50 % RH): 30–45 seconds
- Operating temperature range (specified): −40 °C to 100 °C
- Key substrates: Metals, plastics, and rubber
- Curing mechanism: Initiated by atmospheric moisture
- Henkel/ISO-10993: Tested to Henkel's test protocols based on ISO 10993 biocompatibility standards (stated in technical data sheet)
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