Fasto S960 - Silicone Sealants & Adhesives
Features of S960
Fasto S960 - Silicone Sealants & Adhesives
Features of S960

Fasto S960 – Industrial Grade, High Temperature Silicone Sealant

Fasto S960 is a one-part, high-performance, acetoxy-cure RTV silicone sealant designed for high-temperature sealing, bonding, and glazing applications. With excellent flexibility and outstanding thermal resistance, it is ideal for electrical, mechanical, and automotive assemblies exposed to continuous and intermittent high heat.

Packaging:

Drum : 200kg

Bucket : 20kg

Cartridge : 300ml

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Key Features

  • High Temperature Resistance
    Performs reliably from -24°C to 304°C (continuous) and up to 325°C (intermittent).
  • Single-Component, Ready-to-Use RTV Silicone
    Easy application without mixing.
  • Highly Flexible & Elastic
    Accommodates vibration, joint movement, and thermal expansion.
  • Strong Mechanical Performance
    High tensile strength with excellent elongation.
  • Good Electrical Insulation Properties
    High dielectric strength and stable dielectric constant.
  • Distinct Red Color
    Ideal for identifying high-temperature sealing points.

Benefits

  • Ensures durable sealing in high-heat environments
  • Reduces leakage, gasket failure, and maintenance downtime
  • Maintains joint integrity under thermal cycling
  • Suitable for automotive, industrial, and electrical equipment
  • Provides long service life in demanding conditions
Primary ApplicationSub-ApplicationsFunctional PurposeKey Performance Advantage
High-Temperature Flange SealingGearbox flanges, pipe flangesReliable sealing under extreme heatContinuous high-temperature resistance, flexible seal
Boiler, Radiator & Heat Equipment SealingBoiler joints, radiators, heating equipmentLeak prevention in thermal systemsMaintains seal integrity at elevated temperatures
HVAC & Air Duct SealingAir-conditioning ducts, ventilation jointsAirtight sealing in heated airflow systemsFlexible, quick skin formation
Insulation & Thermal System SealingInsulation joints, thermal enclosuresPrevent heat loss & air leakageHigh elongation, durable elasticity
Refrigeration & Cooling Unit SealingRefrigeration units, cooling assembliesReliable sealing across temperature cyclesStable performance under thermal variation
Solar Panel & Outdoor Equipment SealingSolar panel assemblies, outdoor fixturesEnvironmental & heat resistanceWeather resistant, electrically safe
Gasket & O-Ring Replacement SealingStatic gaskets, O-ring groovesForms in-place flexible sealsHigh elongation, non-slumping application
Multi-Substrate Bonding & SealingMetal, composites, glass, plastics, rubberSecure adhesion across different materialsBroad substrate compatibility

Surface Preparation

  • Ensure surfaces are clean, dry, and free from dust, grease, oil, rust, scale, and contaminants.
  • Clean substrates using a suitable Fasto cleaner for best adhesion.

Application Method

  1. Apply Fasto S960 using a manual or pneumatic dispensing gun.
  2. Extrude a continuous, uniform bead onto the prepared surface.
  3. Assemble the mating parts immediately to avoid premature skin formation.
  4. Apply sufficient sealant to ensure proper sealing.
  5. Remove excess material after assembly, if required.

Curing Information

  • Skin formation: 8–10 minutes
  • Tack-free time: 18–22 minutes
  • Full cure: 24 hours
    (Cure time depends on humidity, temperature, and joint thickness)

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