房事2黄大学 THE DEFINITION OF RUBBER uangdong University of Technology 施加外力时发生大的形变、外力除去后可以恢复的弹性材料称为橡胶：美 中文定义 国材料协会标准(ASTM-AMERICAN SOCIETY FOR TESTING AND MATERIALS) 规定：20-70摄氏度下，1min可拉伸2倍的试样，当外力除去后1min内至少回 缩到原长的1.5倍以下或者在使用条件下，具有106107Pa的杨氏模量者称 为橡胶。 Rubber is a polymer which exhibits rubber elastic 英文定义 properties,i.e.a material which can be stretched to several times its original length without breaking and which,on release of the stress,immediately returns to its original length. THE DEFINITION OF RUBBER 施加外力时发生大的形变、外力除去后可以恢复的弹性材料称为橡胶;美 国材料协会标准(ASTM-AMERICAN SOCIETY FOR TESTING AND MATERIALS) 规定:20-70摄氏度下,1min可拉伸2倍的试样,当外力除去后1min内至少回 缩到原长的1.5倍以下或者在使用条件下,具有106 ~107 Pa的杨氏模量者称 为橡胶。 中 文 定 义 Rubber is a polymer which exhibits rubber elastic properties, i.e. a material which can be stretched to several times its original length without breaking and which, on release of the stress, immediately returns to its original length. 英 文 定 义