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Polyester

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Polyester resins are the most widely used resin for everyday applications such as marine, swimming pools or canopies.

Polyester resinsare ideal also for making moulds or doing repairs on boats, roofs or any other job.

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Polyester resins can be used in numerous applications, however described here is an abridged list of products that Duro’s supplies to the industry.
General purpose resins are normally used for laminating, repairs, swimming pool lining, etc. It is the most widely used product. They come in Ortho and Isophathalic resins.
The Ortho is for general use and the Iso resins are for more structural applications.

Gelcoats are a polyester coating that is applied to a mould surface and becomes an integral part of the finished product. Can be coloured to almost any colour.
Can be UV stable and maintain a high gloss for a long period of time.
Topcoats are similar to Gelcoats however are applied after the initial laminate of resin and fibreglass is applied. Used to finish swimming pools, boats, etc.

Casting resins are normally either clear or can take fillers. They are made to handle small or large (up to 80kg) casts. Clear casting resins are ideal for small figurines (often cast into silicone moulds) Large casting resins are almost always filled with fillers (see section on fillers). Putties or pastes are often used as adhesives and for bonding cores such as Balsa and foams. Specialised resins such as infusion, RTM, press moulding etc. can be made to order.

Vinyl Ester Resins are a hybrid polyester/Epoxy resin used for their outstanding chemical resistance and good structural resilience.

Duro supplies Hardners, accelerators, retarders as well as solvents such as Acetone, etc.

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Laminating and Casting Resins

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Code

Description

Application

Gel Time

P104

P222

GP Resin

Thin Casting Resin

Laminating Ortho Resin 

Filler loading casting resin

18-28min

18-25min

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