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Gelcoat Brush Black – GT600PA RAL 9005 10kg


How To Order

Part of the GelTint range is Crystic Gelcoat GT-600, a high performance, isophthalic gelcoat. It is pre-accelerated and formulated for brush application.It is recommended for use in all markets including marine, land transport and building applications. It is also suitable for general moulding requirements.

Crystic Gelcoat GT-600 has been developed to ensure excellent intrinsic water and weathering resistance. The viscosity profile ensures even coverage with minimal drainage and low film porosity. GelTint offers the latest in pigment and gelcoat technology producing a high quality product for ease of use, finish and longevity. There is a vast range of colours available, custom colour matching is also available if required.

Features and Benefits Features Benefits
Isophthalic base resin Excellent water / blistering resistance
High elongation Good impact resistance
Easy to apply Excellent surface finish
SKU: 2114 Categories:,

Product Description

Additives and Variants

Crystic Gelcoat GT-600 should only be used with specified GelTint pigments. The information contained in this technical data sheet applies to all pigmented versions.

A topcoat version of this material is available called GT-600 PAX.

Incorporation of additional material may affect the working, weathering or cured properties of the gelcoat. Please check with Scott Bader’s Technical Service department before using the gelcoat outside of specified parameters.


Satisfactory laminates for many applications can be made with Crystic® Gelcoat GT-600 by curing at workshop temperature (15°C – 25°C). However, for optimum properties, laminates must be post-cured before being put into service. The moulding should be allowed to cure for 24 hours at workshop temperature and then oven-cured for 16 hours at 40°C.

Recommended Testing

It is recommended that customers test all pigmented gelcoats before use under their own conditions of application to ensure the required surface finish is achieved. We recommend that Customers new to GelTint or customers using new GelTint colours test the product before use in full scale production. Due to the nature and fast service of the GelTint process, retain samples of the final product are not taken.

Brush Application Do Don’t
Ensure the gelcoat has attained workshop temperature of 15°C – 25°C before use. Stir the gelcoat with high shear mixers as this will temporarily break down the thixotropy leading to drainage.
Add 2% Butanox® M-50 or equivalent catalyst. Exceed a wet film thickness of 800 microns as thick films encourage air retention.
Gently stir the gelcoat by hand or low shear stirrer. Apply excessive thickness in corner areas as this can cause pre-release.
Use long brush strokes and even pressure to apply the gelcoat in an even film across the mould surface Apply backing laminate before the gelcoat has reached an appropriate degree of cure.
Brush through the gelcoat until the recommended wet film thickness of 600-800 microns is reached. Catalyse more gelcoat than can be applied before it starts to gel as this will lead to wastage and possible exothermic reaction.
Apply the first layer of laminate within 24 hours of the gelcoat. Allow vapour to be retained in deep mould sections as this can cause slow curing.


Data Sheets

Material Safety Data Sheet (MSDS)
Material Safety Data Sheet (MSDS)
Technical Data Sheet (TDS)
Technical Data Sheet (TDS)
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