Soft, Sticky, Form-in-Place Flexible Gasket

Ultra Light-Weld® GA-142-F is a UV/Visible light-curable form-in-place gasket adhesive for HVAC ductwork, automotive casings, and electrical enclosures, that cures in place in seconds. The flexible material is ideal for applications which require a soft, sticky gasket with low-compression set. GA-142-F  has good adhesion to plastic and metal, as well as ceramic surfaces. The product is easily dispensed into intricate and complex configurations. Curing in-line allows for increased production speed, greater output, lower processing costs, and also reduced inventories. For simple, inline quality inspection, the material fluoresces blue under low intensity black light.

Dymax materials contain no nonreactive solvents and cure upon exposure to light. Their ability to cure in seconds results in lower processing costs. When cured with Dymax UV light curing spot lamps, focused beam lamps, flood lamps, or conveyor systems they deliver optimum speed and performance for maximum efficiency. Dymax lamps offer the optimum balance of UV and visible light for the fastest, deepest cures. Ultra Light-Weld® GA-142-F is in full compliance with the RoHS2 Directives 2015/863/EC.


Durometer Hardness:  00-60

Compression Set % (85°C, 22 hr)* :34

Plastics (ABS, PC, PET, PP)
Nylon 6/6

**Compression set is expressed as percentage of deflection per ASTM D395 Method B at 25% deflection. To determine percent recovery, subtract 1/4 of the value from 100%. For example, the recovery is 98.8% with a 5% compression set.


  • Automotive door handles
  • Speaker assembly
  • Electrical enclosures
  • HVAC ductwork
  • Appliance housings
  • Automotive enclosures


  • UV/Visible Light Curing
  • Good adhesion to nylon and metals
  • Soft, tacky gasket
  • Cures in seconds
  • Silicone free
  • Blue fluorescing for black-light inspection

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