About KAWAHARA YUKA
About KAMINO TAKUYA
About GONDO TOYOHIKO
About WATANABE KATSUHIRO
About 日本ゴム協会研究発表講演会講演要旨
About nitrile rubber
About kneading and mixing
About vulcanization
About auxiliary
About vulcanization accelerator
About vulcanizing agent
About zinc oxide
About polarity
About accelerator activator
About Rubbers
About ニトリルゴム
About 亜鉛華