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.
Registration number (WIID)
75293
Scope
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.
