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Plastics piping systems — Glass-reinforced thermosetting plastics (GRP) pipes — Determination of the apparent…

ISO 8521:2009

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Plastics piping systems — Glass-reinforced thermosetting plastics (GRP) pipes — Test methods for the determin…

ISO 8521:2020

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Glass-reinforced thermosetting plastic (GRP) pipes — Test methods for the determination of the initial circum…

Overview - ISO 8521:2020 (GRP pipes, circumferential / hoop tensile strength) ISO 8521:2020 specifies six standardized test methods to determine the initial circumferential tensile wall strength (als…