
Standard Test Method for Polyurethane Raw Materials: Alkalinity in Low-Alkalinity Polyols (Determination of CPR Values of Polyols)
出版:American Society for Testing and Materials

專家解讀視頻
Standard Test Method for Polyurethane Raw Materials: Alkalinity in Low-Alkalinity Polyols (Determination of CPR Values of Polyols)
出版:American Society for Testing and Materials
專家解讀視頻