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Resoltech 7090/7091T clear Epoxy Gel Coat View larger
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Resoltcoat 7090 / 7091T Clear Epoxy Gelcoat

52,82 €

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RESOLCOAT 7090 / 7091(T) epoxy system is a high TG gelcoat specially formulated for the production of tooling and structural composites parts requiring high service temperatures.

This gelcoat may be applied from thicknesses from 300 to 600 microns depending if it is for parts or tool manufacturing where thickness of 600 microns is recommended.

The gelcoat may be ordered in clear version : 7090 CLEAR / 7091 mainly for parts such as carbon look parts. Factory coloured version 7090 NOIR & 7090 BLANC / 7091T is available for tools production. The clear version could also be pigmented to any RAL colour : simply add 5% epoxy pigment paste in the resin part before mixing with the hardener.

Like most epoxy gelcoats it is best applied by brush while its formula guarantees low toxicity working conditions to the users. Laminates can be released from the moulds after a low temperature cure cycle (8h at 50°C) before post curing.

RESOLCOAT 7090 / 7091(T) is recommended to be used in wet layup, infusion and with prepregs reinforcements. Prepregs will be applied on the gelcoat in a window of minimum 8h at 23 ºC and maximum 1 week. Post-curing of the prepreg laminate should be done within a week. We, at Castro Composites, always recommend to carry out trials with prepregs as we do not really believe in the success of an application involving prepress and gelcoats. There are high quality cosmetic prepregs for achieving pin-holes free prepreg parts. We strongly recommend this prepress rather than using gel coats.

We enthusiastically recommend epoxy gel coats for tooling and composite parts production by hand lay-up or infusion using dry fabrics.

Mixing ratio by weight 100:30.

Gel time for 70 ml (4 cm thickness) at 23 °C: 4 h.

Maximum Tg after postcuring cycle: 139 ºC.

Type of supply

RESOLCOAT 7090 / 7091(T) clear Epoxy Gelcoat x 1,3 kg

RESOLCOAT 7090 / 7091(T) clear Epoxy Gelcoat x 6,5 kg

RESOLCOAT 7090 / 7091(T) clear Epoxy Gelcoat x 32,5 kg

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