Glue and Fillet Powder


Glue and Filler Powder, used for most gluing applications and for making fillets.

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The standard for use with Bote-Cote®, a low cost blended filler used for most glueing applications and for making fillets. It has medium to high strength and has thixotropic additives that retard it flowing out of gaps in the joints before the epoxy sets hard. It includes a low cost high strength bulking agent to produce economical thixotropic pastes.

Gluing: For reasonably flat joints, allow 400 – 500 ml per square meter of Bote-Cote mixed liquids, including wetting out both surfaces with unthickened Bote-Cote. After wetting out, add 1.8 – 2.0 volumes of Glue Filler Powder to 1 Volume of Bote-Cote mixture to make up the glue.
Filleting: Add 2.2 – 2.5 volumes of Glue Filler powder to 1 volume of mixed Bote-Cote liquids. Measure the fillet size, in centimeteres and estimate quantity needed from the formula:   Volume of Bote-Cote liquid = Length x width x width / 4

Powders are added to liquid Bote-Cote epoxy to thicken it to use it as a gap filling glue, or as a putty for filling holes and depressions or for filleting. It is also used to make a paste which can be smoothed over an uneven surface to allow sanding to a truly smooth finish once it hardens. These filling powders make epoxy more useful by altering its strength, texture, sandability, colour and whether it remains where it is put or runs out of the gaps before it goes hard.

Many different powders have been mixed with epoxy, often with less than good results. Some are very heavy, some allow water to wick into the epoxy, some create clouds of health endangering dust and some go soft in the sunshine allowing the underlying surface to “print through”. If you mix your own you will run into all these hazards, and every mix is likely to be different to the one before.

Bote-Cote powders are formulated ready for use with bulking agents, thickeners and high strength additives. They are mixed with liquid Bote-Cote until the desired viscosity is obtained for the task being undertaken. All Bote-Cote powders consist of non-organic materials only to avoid temperature sensitivity and to prevent wicking of moisture into the cured epoxy, and can be used with equal safety below the water line or on an exposed deck. They are formulated with dust suppressants to minimise dust rising and so reduce inhalation by users.

Bote-Cote filler powders are provided in three grades, one for each of the main uses for filler powders in boat building. All normally have a brown tint added to reduce finished paint colour variability due to imperfect paint cover and opacity. (White Sanding Filler is also available). All BoatCraft fillers are blended from 6 or more ingredients. This is to make mixing and wetting the filler powder more efficient, to protect our users health and to assist our users to get that “ooh ah” finish to their work.

Additional information

Weight N/A

20gm, 120gm, 400gm, 700gm, 2.5kg, 5kg, 10kg


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