ASTM D4274-2021Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols ASTM D4274-2021Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols

ASTM D4274-2021Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols

  • 标准类别:[ASTM] 美国材料与试验协会标准
  • 标准大小:
  • 标准编号:ASTM D4274-2021
  • 标准状态:
  • 更新时间:2022-03-31
  • 下载次数:
标准简介

ASTM D4274-2021Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols

标准截图