ThistleBond Standard Resin and Hardener is a high performance, solvent free epoxy system designed for onsite repairs to metal, wood, glass and synthetic materials.
ThistleBond Standard Resin and Hardener consists of a unique blend of epoxy resin combined with polyamino amine adducts, which have been specifically selected to provide the optimum adhesions and mechanical and physical strength.
ThistleBond Standard Resin and Hardener is simple and easy to use and when used in conjunction with ThistleBond reinforcement products such as glass cloth, glass tapes or glass mat will result in an excellent repair medium having inherant strength and integrity.
Before proceeding please read the following information carefully to ensure that the correct proper
application procedure is fully understood.
SURFACE PREPARATION
All surfaces must be clean, dry and free from oil, grease and loose material.
Metal Surfaces: All loose material, rust and surface contaminants, including existing coatings, must be removed and the surface roughened by using an angle grinder, needle gun or abrasive blasting. Where grinding or needle gunning is used, the surface should be cross-scored to improve adhesion. Care must
be taken, when angle grinding, to avoid polishing rather than roughening metal surfaces.
GRP and Wooden Surfaces: All loose or rotten material must be removed to a sound edge. Flaking paint or lacquer scraped clear and sound paintwork thoroughly sanded to provide an effective key.
Where it is not possible to clean the surface thoroughly the application of a coating of ThistleBond A & B Cement could possibly improve the bond of the final repair.
MIXING
ThistleBond Standard Resin and Hardener is a two component material consisting of a resin component and liquid hardener component. The resin component should be poured into a suitable mixing container and the hardener added and thoroughly stirred until a homogeneous mix is obtained.
The mixed material should be used within 30 minutes of mixing at 20°C. This time will be reduced at higher temperatures and extended at lower temperatures.
APPLICATION
ThistleBond Standard Resin and Hardener should be applied to the prepared surface by stiff brush or roller to give a uniform even coating taking care to avoid excessive build up and ponding. On rough, pitted surfaces the product should be worked into the surface to ensure complete wetting of the substrate. To maximise the strength of the repair, it is essential that a complete coating of the
resin mix is applied prior to the laying up of each layer of glass fabric. By doing so, a homogeneous glass fibre resin laminate will be achieved.
Laying up of Glass Fabrics: The principal strength of the glass fibre resin laminates lies in the Tape or Cloth layers which are either wound or laid on the surface of the repair.
when using Tape, this should be wound on with half overlap and care must be taken to ensure that it is applied evenly and flat. This will eliminate a possible cause of weakness in the laminate. When applying multiple layers of Tape each subsequent layer should be applied in the reverse direction and the Tape should not be cut at the end of each pass.
It will sometimes be found difficult to keep the winding smooth, e.g. when the repair is on a bend in a pipe. In these instances, it is better to cut short lengths of Tape and lap them one on the other.
The same comments generally apply when Glass Cloth is being used. Application of Glass Mat: The purpose of Glass Mat is to provide a rigid backing layer to a repair which has been effected using Glass Tape. To achieve this result, it is essential that the Glass Mat is thoroughly saturated withthe resin mix.
This can best be achieved by working the Resin Mix into the Mat, by stippling with a brush before applying it to the repair.
Application of Sealer Filler Resin Mix: Sealer Filler is a non-asbestos powder supplied with sufficient material to add to one unit of ThistleBond Standard Resin and Hardener. Mix the ThistleBond Standard Resin and Hardener then transfer to a clean mixing vessel. The Sealer Filler should be added to the resin mix and stirred until the Filler is thoroughly dispersed. The resultant paste should be applied to the repair, as required, using a trowlling tool.
The mix can be applied to operate at temperatures up to approximately 180°C. When it is applied as a pre-coat, prior to carrying out a repair, it will help to insulate the resin laminate from the operating temperatures of the parent body.
Application of Fairing Compound Resin Mix: Fairing Compound is a filler which consists of glass fibre strands supplied with sufficient material to add to one unit of ThistleBond Standard Resin and Hardener. The methods of mixing and application are similar to the Sealer Filler Resin Mix. The main purpose of this mix is to fill in undulations prior to the application of a ThistleBond repair.
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