Technical training
Blade Repair Standard / V4 2023-05-02
3. Apply a thin layer of mould release agent to the mould surface and allow it to dry for 1 to 2 minutes.
4.
Remove any excess release agent using a clean dry cloth.
5.
Allow the release agent to dry for a further 15 minutes.
6. Apply flash tape to the mould surface according to the instructions given by the instructor.
7.
Apply vacuum tape on top of the flash tape.
3.
Exercise 2 - Gelcoat 1. Find the SDS for the gelcoat being used and identify the PPE required. Fill in the information in the table below:
Gloves required
Mask required
2. Find the TDS for the gelcoat, and use this to calculate the amount of gelcoat required to cover the mould surface at a layer thickness of 0.8mm. Enter the information in the table below:
Total amount of gelcoat
Mixing ratio
Amount of gelcoat base
Amount of gelcoat hardener
Curing time for gelcoat
3.
Carefully weigh out and thoroughly mix the gelcoat.
4.
Apply the gelcoat to the mould surface and distribute evenly using a roller.
5.
Allow the gelcoat to tack-off in accordance with the TDS.
4.
Exercise 3 - Dry material preparation 1. Cut out the fibreglass mats and core material to the sizes indicated by the instructor.
2.
Shape the core material as directed by the instructor.
5.
Exercise 4 - Matrix material
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