PU tawv

Thermosetting polyurethane elastomer yog abbreviated li PU, lus Askiv lub npe yog Casting Polyurethane, feem ntau hu ua Youli Glue, Spring Glue, uas yog tsim los ntawm cov tshuaj tiv thaiv ntawm polymer polyol thiab isocyanate, thiab saw extension thiab cross-linking. Nws yog ib yam tshiab ntawm cov khoom siv hluavtaws ntawm cov yas thiab roj hmab.

Raws li cov qauv sib txawv ntawm cov saw tseem ceeb ntawm polyurethane elastomer, nws tuaj yeem muab faib ua ob hom: polyether hom thiab polyester hom.