ISO 1172:2023

Published (Edition 3, 2023)

CHF 63

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Abstract

This document specifies two calcination methods for the determination of the textile glass and mineral filler content of glass-reinforced plastics:

— Method A: for the determination of the textile glass content when no mineral fillers are present.

— Method B: for the determination of the textile-glass and mineral-filler content when both components are present.

This document is applicable to the following types of material:

— prepregs made from yarns, rovings, tapes or fabrics;

— SMC, BMC and DMC moulding compounds;

— textile-glass-reinforced thermoplastic moulding materials and granules;

— filled or unfilled textile-glass laminates made with thermosetting or thermoplastic resins.

The methods do not apply to the following types of reinforced plastic:

— those containing reinforcements other than textile glass;

— those containing materials which do not completely burn off at the test temperature (for example, those based on silicone resin);

— those containing mineral fillers which degrade at temperatures below the minimum calcination temperature.

This standard contributes to the following Sustainable Development Goal

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