l
F.8L Falco Construction Manual
D–1
Revision 4, March 1, 2002
The following information is a reprint of Ciba-Geigy Instruction Sheet No. GR.3d of October 1982.
Aerolite 306
With the GB Hardeners
October 1982
Instruction Sheet No. GR.3d
Urea-Formaldehyde Adhesive.
Aerolite 306 powder urea-formaldehyde resin, used with liquid
Hardener GBP.X or GBQ.X by the separate application method, provides a gap-filling, water-
resistant adhesive which is unaffected by moulds, fungi, etc. It conforms to BS 1204: Part 1 (Type
MR)—also to Part 2 (Type MR) since this is included in the requirements of Part 1—and can be
released in accordance with DCI and ARB regulations.
Aerolite 306 requires mixing with water before use but the as-supplied powder has considerably
longer storage life than the equivalent liquid resin, Aerolite 300.
Hardeners.
Choice of hardener depends on the prevailing temperature and on the user’s
preference in regard to the assembly and clamping times given below. In cold conditions the
faster hardener should be used. Glue-line temperature should be at least:
10°C (50°F) using Hardener GBQ.X
15°C (59°F) using Hardener GBP.X
Instructions for Use
Preparation of Resin.
Mix Aerolite 306 powder resin with water as follows:
Parts by Weight
Parts by Volume
Aerolite 306
2
4
Water
1
1
Note
These are approximate values. Where the resin is required to have limited flow,
e.g., on vertical surfaces or for filling gaps, less water is preferable (45 parts of water
to 100 parts by weight of Aerolite 306).
Use a dry container (preferably non-metallic) and add the water to the powder gradually, stirring
to ensure the powder is evenly dispersed. Continue to stir until the resin is free from lumps. The
powder dissolves more readily if warm water (20-35°C or 70-95°F) is used. Before application, it
is good practice to let the solution stand to allow dispersal of bubbles.
Surface Preparation.
Thoroughly sand the surfaces to be joined. Ensure that all surfaces are free
from dust or other deposits.
Summary of Contents for F.8L Falco
Page 1: ...F 8L Falco Construction Manual...
Page 7: ...l F 8L Falco Construction Manual Revision 4 March 1 2002...
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