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EC9000 General Purpose Polyester Resin

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(£23.98 Inc. VAT)
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EC9000 is a thixotropic, pre-accelerated, medium reactivity and low viscosity orthophthalate polyester resin. It is designed to give: · Excellent surface finish · Minimal sagging for vertical surface application · Fast curing time with very low exotherm for thick laminates · Fading dye indicator for catalyst addition · Reduction of Styrene Emission of > 80% as compared to standard Orthophthalic Resin


EC9000 is a versatile orthophthalate polyester resin suitable for many applications primarily for molding FRP components. It is suitable for making thick FRP laminates having vertical surfaces.

We recommend using Catalyst M (alternatively Butanox M50) Ensure complete blending of the catalyst into the resin, preferably using a low shear mechanical stirrer.

Please note that full drums do not include catalyst which should be bought separately from our solvents and additives section.

Due to the low exothermic characteristics of EC9000, we recommend using no less than 2% catalyst for thin laminates of one layer, even in warm climates. While 2% catalyst is supplied with this product, additional catalyst can be purchased from our solvents and additives section if you require a 3% or 4% addition to speed up the curing of thin laminates. Always reduce your mix volume rather than the catalyst dosage for thin laminates, and perform a test. Using less than 2% catalyst in a thin laminate, such as one layer of 450g chopped strand matting, may result in extremely slow curing, soft laminates, and an exaggerated tacky finish. Please contact our technical team for more advice.

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