Coloured Gelcoat

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Coloured Gelcoat to RAL 840 Colours – Available in 0.5kg/ 1kg/ 2.5kg/ 5kgs/ 20kgs. Please phone 00353 1 466 3786 for availability and price. Please NoteCatalyst (hardener) must also be added to the Topcoat in order for it to cure.For General Health Information see section on hazards.

Please contact the office on 01 466 3786 if you require coloured Gelcoat.

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Description

Coloured Gelcoat to RAL 840 Colours – Available in 0.5kg/ 1kg/ 2.5kg/ 5kgs/ 20kgs. Please phone 00353 1 466 3786 for availability and price. Please contact the office on 01 466 3786 if you require coloured Gelcoat.

 

Polynt Polycor Gelcoat (Clear) is a high quality, Lloyd’s Approved, isophthalic polyester gelcoat. This brush gelcoat is easy to use with highly controlled thixotropic properties which provide high resistance to sagging. This product has superior gloss retention and resistance to yellowing over time. Available in a variety of RAL 840 colours. Please contact +353 1 466 3786 for availability and price.

Polyester Gelcoat is used to create the resin-rich layer in contact mould making. It is painted onto the surface of moulds/plugs that have been coated with a thin layer of release agent and sets with a tacky surface on the exposed side. Resin and fibreglass reinforcement are typically applied to the tacky surface, while the mould facing surface forms the hard, smooth, shiny surface of the finished article.

Please NoteCatalyst/Hardener (not included) must also be added to the gelcoat in order for it to cure. For General Health Information see section on hazards.

 

Working with Polynt Polycor Gelcoat Polycor gelcoat should be conditioned to a temperature of 15-25 ⁰C before use. Workshop & mould temperature should also be above 15⁰C but lower than 25ºC, as it will cure too quickly. Gently agitate the gelcoat before use and allow to stand for a short period of time to regain thixotropy. Polycor gelcoat is intended for brush application and has been specifically formulated to exhibit the correct resistance to drag on the brush, release air and level correctly.

Non-Sagging Brush grades should be applied at a covering rate of 500 to 550 g per sq.m. When properly applied, brush grades typically do not sag. The gelcoat will not entrap air (porosity) when applied as per instructions.

Mixing Catalyst All gelcoats require the addition of catalyst (hardener) to initiate the curing process. The quantity of catalyst is worked out as a percentage of the weight of the gelcoat (e.g. 2% of 1kg gelcoat = 20gm catalyst). Dispensers or weighing scales are advised for accuracy. Temperature plays a large role in the curing process – the higher the temperature, the faster the cure. As a general guide, 1.8% catalyst addition at 25ºC gives approximately a 8-13 minute pot life. Thorough mixing of catalyst into gelcoat is very important. Stir thoroughly using a mixing stick to scrape any uncatalysed gelcoat from the inner walls and base of the container. The hardening process begins immediately, so only add catalyst to a working quantity. Once catalysed, the gelcoat gradually cures, taking on a jelly-like consistency in about 10-20 minutes before becoming hard in about 45-80 minutes at room temperature (about 20ºC). The curing process generates heat within the gelcoat. Too much catalyst or large volumes of gelcoat increases this heat. Over catalysing the gelcoat (>3%) can cause the material to overheat and sometimes cause a fire.

Applying the Laminate

  • Mix the product slowly but thoroughly for 10 minutes prior to each shift start up.
  • Apply the correct film thickness. A wet film thickness between 300 to 600µm is required ideally working with a brush to ensure a level even thickness of 500 micron.
  • Check that the correct level of MEKP is added. A level of 1,8% is recommended. Do not use more than 3% or lower than 1,2% MEKP catalyst.
  • Minimum application temperature : 15°C

 

Hazard Statement – Polynt Polycor Gelcoat (Clear)

Danger

H315 – Causes skin irritation

H317 – May cause an allergic skin reaction

H319 – Causes serious eye irritation

H335 – May cause respiratory irritation

H361d – Suspected of damaging the unborn child

H372 – Causes damage to organs through prolonged or repeated exposure if inhaled

H412 – Harmful to aquatic life with long lasting effects

Health Hazard / Hazardous To The Ozone Layer Serious Health Hazard Flammable

Data Sheets

pdficon_large Polynt Polycor Gelcoat ISO BR (TDS) pdficon_large Polynt Polycor Gelcoat ISO BR (SDS) pdficon_large Colorplas Disperpol Pigments (TDS)  pdficon_large Colorplas Disperpol Pigment (SDS)

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