
3M™ Scotch-Weld™ SF20 is an instant cyanoacrylate adhesive with very low viscosity, designed for fast and permanent bonding of a wide range of materials. It provides exceptional strength and immediate adhesion with a thin layer of adhesive, which works perfectly in dynamic assembly processes.
Technical Specification
- Color: transparent
- Capacity: 20 g
- Adhesive type: cyanoacrylate, single-component
- Viscosity: very low
- Cure time: a few seconds
- Standard: meets CID A-A-3097 Type II, Class 1 requirements
- Packaging form: flexible dispenser
Application
- Bonding leather, cork, cardboard
- Bonding rubber and plastics
- Applications on oily and difficult surfaces
- Fast industrial and home assembly
- Service and repair work
Benefits and Properties
✅ Super-fast curing – high efficiency and immediate bond strength
✅ Versatility – effective on various substrates, including difficult ones
✅ Low viscosity – creates a thin layer for an instant effect
✅ Precise dispensing – flexible packaging facilitates application
✅ Meets industrial standards – high quality and safety of use
✅ Tensile strength – bond strength up to 5000 psi
Application Tips
Ensure the surface is clean and dry. Apply a thin layer of adhesive – one drop per square inch is sufficient. Avoid excessive amounts, as this may slow down the reaction. Close the packaging immediately after use to prevent premature curing due to moisture from the air.


















