Product/Service

G-2424

Source: Dural, Div. Of Multibond, Inc.
G-2424 is a pre-catalysed resin adhesive developed for flush door construction.
G-2424 is a pre-catalysed resin adhesive developed for flush door construction. This crosslinkable adhesive was designed to give strong, permanent bonds on typical door components such as masonite, wood, MDF, corrugated cardboard, particleboard, mineral-based fire insulation etc.

G-2424 meets or exceeds the requirements as set out in the NWWDA I.S.1.6-87 for a Type I wood flush door adhesive. It has been tested and approved on both the Georgia Pacific and Weyerhauser fire door constructions. G-2424 has been approved for use in the assembly of 20, 45, 60 and 90 minute fire doors, with or without plastic laminate faces.

Application
Applied by mechanical roller, at a rate of 9-14 mils wet film thickness, the adhesive can be used to assemble a wide variety of hollow and solid core flush doors. For lamination apply a 6 mils wet film thickness.

Assembly Time
Typical assembly time is approximately 10-25 minutes (up to 30 minutes). The assembled doors should then be placed in a press for 20-30 minutes for proper bond development.

G-2424 can also be successfully hot pressed with dwell times appropriate to the particular substrates assembled. Generally, the assemblies are hot pressed from 2 - 3.5 minutes at 90 - 100C. Note that when assembling a multi-layered door construction, the surfaces must be sufficiently cooled after each press cycle. This will avoid premature drying of the adhesive film before completing the assembly.

Depending on the construction and types of components used, trimming can be performed as early as 2½ hours after removal from the press. Ideally, the delay period before trimming should be extended as long as is convenient to enable the adhesive to develop as thorough a bond as possible.

Physical Properties

  • Viscosity: 4200 - 4800 cps (4/20RPM/25°C)
  • Solids: 50 ± 2%
  • pH: 4.5 - 5.0
  • Color: Creamy White Liquid
  • Specific Gravity: 1.12

Shelf Life
Three (3) months in the original unopened containers when stored in a cool dry area.

Dural, Div. Of Multibond, Inc., 550 Marshall Ave., Dorval, PQ H9P 1C9. Tel: 514-636-6230; Fax: 514-631-7737.