Elkem - CAF-4 (100-Gram-Tube)

Additional Product Information

Elkem CAF-4 is a high-performance, one-component RTV silicone elastomer designed for sealing, bonding and insulating applications in demanding environments. It cures at room temperature through an acetic acid mechanism, forming a durable, off-white, self-levelling sealant. This makes it ideal for various industrial sectors, including aerospace, automotive and electronics.

Key Technical Specs for Elkem - CAF-4

• Type: RTV silicone sealant, acetic curing, off-white.
• Packaging/Size: 100-gram (0.22 lbs.) tube.
• Curing: Skin forms in ~10 minutes, full cure for 2 mm thickness in ~5 hours.
• Properties: Self-levelling, excellent electrical insulation, high thermal stability.
• Common Uses: Electrical sealing, insulating wires or connectors, bonding plastics/metals, thermal protection coatings, conveyor belt protection.
• Relevance to Aircraft Engineers: Provides durable adhesion and flexibility, ideal for electrical and structural maintenance tasks. Suitable for use in engines, cabins and electrical assemblies.

Approvals & Specifications for Elkem - CAF-4

• OEM/Part Numbers: Elkem CAF401.
• Export Classification: ECCN EAR99.
• Compliance: Widely used in the aviation industry, no specific Boeing, Airbus or Lockheed Martin specification codes listed publicly.
• Often referenced for aerospace-grade electrical sealing and thermal protection applications.

Typical Aircraft MRO / AOG Applications for Elkem - CAF-4

• Electrical Insulation: Sealing and insulating wires, connectors and components
• Bonding: Adhering plastics, metals and composites in aircraft assemblies
• Thermal Protection: Coating fabrics and materials for heat resistance
• Conveyor Belts: Enhancing durability and performance through protective coatings

Compatibility & Safety Notes for Elkem - CAF-4

• Compatible Materials: Metals, plastics, composites, glass
• Safety Precautions: Contains quartz (SiO?); may cause serious eye irritation and lung damage upon prolonged or repeated exposure. Use protective gloves, clothing and eye/face protection during application.
• Storage: Store in a dry, well-ventilated place away from incompatible materials, keep container tightly closed.

Packaging & Procurement for Elkem - CAF-4 (matched to the Aerospheres page and common market packs)

• Packaging: Supplied in a 100-gram (0.22 lbs.) tube
• Shelf Life: 24 months when stored between +2°C and +30°C (36–86°F) in unopened packaging

Why Elkem - CAF-4 is Chosen for AOG / MRO

• Rapid Curing: Skin forms in approximately 10 minutes; cures to a 2 mm thickness in about 5 hours
• Self-Levelling: Facilitates smooth application on horizontal surfaces
• Versatility: Suitable for a wide range of applications, including electrical insulation, bonding and thermal protection
• Compact Packaging: 100-gram tube is easy to handle and store, making it ideal for AOG situations

Practical Suggestions for Your Team (AOG mindset) for Elkem - CAF-4

• Keep a few 100-gram tubes on-site for fast AOG repairs.
• Use for urgent electrical insulation, sealing or minor bonding.
• Train ground crew on proper application, monitor curing times (skin: 10 min, full cure: 5 hrs for 2 mm).
• Store in a cool, dry place and check shelf life regularly.
• Always wear gloves and eye protection when handling.
• Document repairs to track recurring issues and maintenance history.

Manufacture / Aviation Spec Codes for Elkem - CAF-4

• OEM Part Number: CAF401

Alternative Names & Descriptions for Elkem - CAF-4

• CAF-4
• CAF-4-100GM
• CAF4:0515P
• SEALANT ADHESIVE RHODORSIL CAF 4 (100g)
• BLUESIL CAF-4: 0.1 KG