ČSN EN ISO 1172 (644041)

Kategórie - podobné normy:

Ztužené plastické hmoty

Anotácia textu normy ČSN EN ISO 1172 (644041):

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