Permabond 240 is a one-component, high-viscosity ethyl cyanoacrylate adhesive specially formulated for large-gap bonding and porous substrates. It provides fast curing at room temperature with strong adhesion to plastics, rubber, metal, and ceramics.
Key Features
High Viscosity & Gap Filling: Ideal for foamed surfaces or uneven joint surfaces—fills up to ~0.4 mm gaps.
Fast Setting & 100% Reactive: No mixing or heat required—just apply and bond.
Excellent Material Compatibility: Bonds well to porous substrates, plastics, rubbers, metals, and ceramics.
Military Spec Certified: Meets MIL-A-46050C Type II, Class 3 standards.
Solid Performance Metrics (from Ellsworth listing):
Cure Time: ~20 seconds; full strength in 24 hours
Dielectric Strength: ~10 mV/mm
Hardness: Shore A ~85
Flash Point: 80–93 °C
Viscosity: 1,500–2,500 cP
Applications
General Bonding & Assembly: Ideal for joining plastics, rubbers, metals, ceramics, wire tacking, and mounting components.
Production & Automation: Suited for high-speed production and large-gap assembly.
Porous Surface Use: Works well on leather, wood, foam—materials typically challenging for fast adhesives.
Safety & Handling
Hazards:
* Combustible liquid with flammable vapors.
* Causes skin and eye irritation; may irritate respiratory system.
Precautions:
* Use gloves, eye protection, and face protection.
* Ensure work is performed in a well-ventilated area.
* Keep away from heat sources and open flames.
First Aid:
* Skin contact: Wash with soap and water; do not force apart bonded skin.
* Eye contact: Flush with water, seek medical advice if needed.
Storage & Disposal:
* Store cool and sealed in a well-ventilated location.
* Dispose of according to local regulations; avoid releasing into drains.
