Abstract： AS 1838:2021 pdf download.Swimming pools -Premoulded fibre- reinforced plastics — Design and fabrication. Section 2 Materials 2.1 Resin The resin component of the composite shall be an appropriate thermoset resin, such as unsaturated poly...

AS 1838:2021 pdf download.Swimming pools -Premoulded fibre- reinforced plastics — Design and fabrication.

Section 2 Materials

2.1 Resin

The resin component of the composite shall be an appropriate thermoset resin, such as unsaturated polyester, epoxide or Bisphenol

A vinyl ester resin.

2.2 Gelcoat

The gelcoat layer(s) shall comprise of one or more compatible layers specifically designed to produce the aesthetic internal

surface of the swimming pool and to form the first water and chemical resistant layers.

If an alternative surface finish is applied, such as tiles and thermoplastic coatings, It shall conform to the design criteria and in-service performance requirements of this document, see Clause 5.7 and Appendix G. The composite structure shall also be in

accordance with the testing requirements of this document.

2.3 Reinforcement

The reinforcement material shall be Fibrous in nature, and readily wet through by the chosen resin system. The glass fibre

reinforcement shall be drawn from E glass or E-CR glass fibre with an alkali content less than I % and which has been chemically

sized and treated so as to be compatible with the resin system. The glass fibre reinforcement shall not have a moisture content

greater than 0.15 %.

NOTE Where the glass fibre content for a swimming pool forms part of the design considerations, Appendix A may be used to determine the glass fibre content and the resin to glass ratio of all fibrous resin layers.

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