DIN EN ISO 308-1998 塑料.酚醛树脂模塑材料.丙酮可溶物质的测定(未模塑材料的表面树脂含量)
Plastics - Phenolic moulding materials - Determination of acetone-soluble matter (apparent resin content of material in the unmoulded state) (ISO 308:1994); German version EN ISO 308:1997
The document specifies a gravimetric method for the determination of the amount of matter that can be extracted by acetone, at a temperature near its boiling point, from a sample of finely divided phenolic moulding material.