KB3903 Medical-Grade Cyanoacrylate Adhesive
KRYLEX® KB3903 medical device ethyl cyanoacrylate adhesive displays excellent adhesion for difficult to bond substrates that require uniform stress distribution and high shear strength. KB3903 is designed for disposable medical device assembly and provides rapid bonding with a wide variety of materials.
Other features include:
- Excellent adhesion to common plastic and metals
- Rapid fixture time
- ISO-10993-5 certification
- Excellent resistance to sterilization
KRYLEX® KB3900 series are high-performance biocompatible cyanoacrylates. This range of instant adhesives are developed for excellent adhesion to common medical device plastics while offering fixture time in a matter of seconds. The KB3900 series provides an excellent biocompatibility profile while conforming to the ISO-10993-5 standard for cytotoxicity. These adhesives are resistant to common sterilization techniques such as Ethylene Oxide (EtO) and Gamma Irradiation. Typical applications include the bonding of needles, catheters, tubing, connectors, and filter. KRYLEX® offers grades for both standard and flexible joint design.
Applications: Needle or Syringe bonding/ E-cigarette
KB3903 At A Glance
Excellent Adhesion, Medical Grade
>5secs
CURE SPEED (ABS)
>5secs
CURE SPEED (PVC)
100CPs
VISCOSITY
5.29MPa
TENSILE STRENGTH (ABS, ABS)
4.03MPa
TENSILE STRENGTH (PET, PET)
Stable at 80°C for over 2000Hrs

BIOCOMPATIBLE
KB3903 provides an excellent biocompatibility profile while conforming to the ISO-10993-5 standard for cytotoxicity.
FAST CURING
KB3903 has a 5 second fixture time for increased throughput and overall reduction of manufacturing cost.
ADHERES TO MOST SUBSTRATES
KB3903 is designed for disposable medical device assembly and provides rapid bonding with a wide variety of materials.
KRYLEX® KB3903 Benefits:
KB3903 is designed for the assembly of difficult to bond plastics. KB3903 has been developed for bonding rigid materials where excellent tensile of shear strength is required.
- Low Viscosity
- Fast curing
- ISO10993 approved
- Excellent multi-substrate adhesion
- Flexibility
- Solvent Free
