... any crystals.Characteristic:low plastic temperature....... CM352 General rubber grade of CPE1,Product Features:This product ... rubber solely but also can be mixed with CR,CSM,NBR,EPDM,SBR and NR ... ,as well as character-modifying agent of general-purpose synthetic rubber.Manufacture kinds of flame resistant ... ..It can be blended with CR,NBR at any proportion. supply CM352(General rubber grade of CPE) ...