ISO 4590-1981 标准详情
- 标准号:ISO 4590-1981
- 中文标题:泡沫塑料;刚性材料的开放和封闭单元的百分比含量测定
- 英文标题:cellular plastics; determination of volume percentage of open and closed cells of rigid materials
- 标准类别:国际标准化组织标准ISO
- 发布日期:1981-12-01
Specifies a general method ba measurement first of geometrical volume and of the air impenetrable volume of test specimens. This method provides for correcting the apparent open cell volume by taking into account the surface cell opened by cutting du
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