{"id":440149,"date":"2024-10-20T08:13:15","date_gmt":"2024-10-20T08:13:15","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-11722023\/"},"modified":"2024-10-26T15:22:22","modified_gmt":"2024-10-26T15:22:22","slug":"bs-en-iso-11722023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-11722023\/","title":{"rendered":"BS EN ISO 1172:2023"},"content":{"rendered":"
This document specifies two calcination methods for the determination of the textile glass and mineral filler content of glass-reinforced plastics: \u2014 Method A: for the determination of the textile glass content when no mineral fillers are present. \u2014 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: \u2014 prepregs made from yarns, rovings, tapes or fabrics; \u2014 SMC, BMC and DMC moulding compounds; \u2014 textile-glass-reinforced thermoplastic moulding materials and granules; \u2014 filled or unfilled textile-glass laminates made with thermosetting or thermoplastic resins. The methods do not apply to the following types of reinforced plastic: \u2014 those containing reinforcements other than textile glass; \u2014 those containing materials which do not completely burn off at the test temperature (for example, those based on silicone resin); \u2014 those containing mineral fillers which degrade at temperatures below the minimum calcination temperature.<\/p>\n
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 7.1 General 7.2 Method A 7.2.1 Reagents 7.2.2 Apparatus 7.2.3 Procedure <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 7.2.4 Expression of results 7.3 Method B 7.3.1 Reagents <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 7.3.2 Apparatus 7.3.3 Procedure <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 7.3.4 Expression of results <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Textile-glass-reinforced plastics. Prepregs, moulding compounds and laminates. Determination of the textile-glass and mineral-filler content using calcination methods<\/b><\/p>\n |