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CRYSTIC® ECOGEL S1PA Low Styrene Emission Polyester Gelcoat for Spray Application Introduction Crystic Ecogel S1PA is a very low styrene emission polyester spray gelcoat. It is pre-accelerated and has been formulated to offer exceptionally low styrene emission both during the spray application and during the curing period. It is available in RAL colours and the information contained in this technical datasheet also applies to pigmented versions. Applications Crystic Ecogel S1PA is recommended for use in general industrial, land transport and building applications. It is also suitable for general moulding requirements. It is not suitable for a marine environment. Features and Benefits Crystic Ecogel S1PA has been developed to ensure very low styrene emission. The chart below demonstrates the performance versus a current low styrene emission spray gelcoat, when styrene emission is measured in the spray booth under comparable conditions using a MiniRae 3000i. Styrene Emission of Crystic Ecogel S1PA versus Low Styrene Emission Gelcoat During Spray Application SPRAY APPLICATION Low styrene spray gelcoat Due to the low styrene content of Crystic Ecogel S1PA, parts manufactured using this gelcoat also display good UV resistance.

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Product Characteristics The gelcoat, mould and workshop should all be at, or above, 15ºC before curing is carried out. Crystic Ecogel S1PA should be allowed to attain workshop temperature (18°C - 20°C) before use. Stir well by hand or with a low shear stirrer to avoid aeration and then allow to stand to regain thixotropy. Crystic Ecogel S1PA requires only the addition of catalyst to start the curing reaction. The recommended catalyst is Butanox M50 (or other equivalent catalyst) which should be added at 1.5% into the gelcoat. (Please consult our Technical Service Department if other...

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Post-Curing Satisfactory laminates for many applications can be made with Crystic Ecogel S1PA by curing at workshop temperature (20°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 20°C, and then be post-cured for 3 hours at 80°C. Storage Crystic Ecogel S1PA should be stored in its original container and out of direct sunlight. It is recommended that the storage temperature should be less than 20°C where practical, but should not exceed 30°C. Ideally, containers should be opened only...

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