AS NZS 4441:2017 pdf free.Oriented PVC (PVC-O) pipes for pressure applications. 5 Material 5.1 General The material from which the pipes are made shall be PVC-U compound/formulation. This compound/formulation shall consist substantially of PVC-U resin/powder to which shall be added only those additives necessary to facilitate the production of pipes and fittings in accordance with this International Standard. All additives...
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