Fasto CA15 - Instant Cyanoacrylate Adhesive
Features of CA15
Fasto CA15 - Instant Cyanoacrylate Adhesive
Features of CA15

Fasto CA15 – High Viscosity Cyanoacrylate Instant Adhesive

Fasto CA15 is a very high-viscosity, high-strength ethyl cyanoacrylate adhesive engineered for applications where gap filling, surface irregularities, and longer positioning time are required. It is especially effective for metal bonding and also performs reliably on rubbers, plastics, composites, and other common substrates.

With its controlled flow and excellent mechanical strength, Fasto CA15 is ideal for non close-fitting parts, rough or porous surfaces, and assemblies that need slightly more working time before fixturing.

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Key Features

  • Very High Viscosity (≈1500 cPs)
    Ideal for vertical application and gap filling.
  • High Bond Strength
    Tensile strength up to 20 N/mm² for durable joints.
  • Suitable for Non Close-Fitting Parts
    Handles gaps up to 0.20 mm effectively.
  • Excellent Adhesion to Metals
    Specially formulated for metal bonding.
  • Wide Substrate Compatibility
    Bonds rubber, plastics, composites, and common materials.
  • Good Heat & Ageing Resistance
    Retains strength under elevated temperatures and ageing conditions.

Benefits

  • Enables strong bonding on rough, porous, or uneven surfaces
  • Provides better gap-filling capability than low-viscosity grades
  • Allows more positioning time during assembly
  • Reduces rework in difficult bonding applications
  • Ideal for general-purpose industrial and maintenance use
Primary ApplicationSub-ApplicationsFunctional PurposeKey Performance Advantage
Metal-to-Metal BondingSteel parts, metal fittings, mechanical componentsHigh-strength instant bondingVery high viscosity, strong structural bond
Rough & Porous Surface BondingPorous materials, uneven surfacesReliable adhesion where surfaces are not smoothExcellent gap-filling capability
Non Close-Fitting Part AssemblyComponents with larger tolerancesSecure bonding without precision fittingControlled cure, reduced run-off
Plastic, Rubber & Composite BondingPlastics, elastomers, composite partsGeneral-purpose industrial bondingHigh bond strength across substrates
Delayed-Assembly ApplicationsAssemblies requiring alignment timeAllows positioning before full cureBalanced fixture time with strong hold
Automotive & Mechanical AssemblyBrackets, trims, small assembliesFast assembly with durable bondsVibration-resistant, solvent-free
Maintenance & Repair BondingField repairs, emergency fixesImmediate functional bondingQuick handling strength

Surface Preparation

  • Ensure surfaces are clean, dry, and free from oil, grease, dust, and contaminants.
  • Proper alignment of parts is recommended before bonding.

Application Method

  1. Apply a small, controlled amount of Fasto CA15 to one surface.
  2. Join the components and press firmly together.
  3. Hold until handling strength is achieved.
  4. Avoid excessive adhesive application, as overuse may slow curing and reduce bond strength.

Curing Guidelines

  • Fixture time: 10–15 seconds
  • Full cure: 24 hours
  • Maximum gap fill: 0.20 mm
  • Best suited for non close-fitting and rough surfaces

Additional Notes

  • Cure speed depends on humidity, temperature, and substrate type.
  • Low surface energy plastics (PP, PE, PTFE) may require a Fasto Cyanoacrylate Activator.
  • For removal or rework, use Fasto CA Remover (complete removal from fabrics is not possible).

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