H.B. Fuller U304 is a medium-viscosity UV-cured adhesive that serves as a high-impact, strong plastic bonder. Its applications include catheter assembly, IV sets, tube bonding, airway masks, mechanical device assembly, and balloon bonding, specifically in the field of medical device assembly.

Product Type: 1K (1 component) Adhesive, Contact Adhesive, Radiation Curable Adhesive

Application Area: Airway Mask, Balloon Bonding, Catheters, Hoses, Mechanical Device Assembly, Medical Applications, Medical Devices, Tubes

Compatible Substrates & Surfaces: High Density Polyethylene (HDPE), Low Density Polyethylene (LDPE), Nylon, Plastics, Polyethylene (PE), Polyethylene Terephthalate (PET), Polyethylene Terephthalate Glycol (PET-G), Polypropylene (PP), Thermoplastic Polyurethane Elastomer (TPU)

Features: Excellent Strength, Flexible, Good Impact Strength, High Viscosity, Medium Viscosity, UV Curable

Message our experts with questions
Robert Blackstone avatar

Robert Blackstone

Global Leader - Inside Sales

Please reach out to me with any questions, I am happy to assist you in finding the right product or learning more about our storefront

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Cure Method
  • Bonds a wide variety of plastics in multiple configurations.
  • Well-suited to bond dissimilar substrates


Typical Properties
ValueUnitsTest Method / Conditions
Viscosity850 - 1150cps-
Shear Strength*3000.0psi-
Temperature Range-67 to 200°F-
* Performance of cured adhesive on Polycarbonate

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Country Availability
Regional Availability
  • Africa
  • Asia Pacific (Excluding Russia)
  • Europe (Excluding Russia)
  • India
  • Latin America
  • North America
Packaging Information

Available in 20g, 1000g bottles