... size is welcomedCertificateROHS; SGSPlace of originGuangdong, ChinaFeatures 1.High temperature resistance up to 300°C, acid and alkali resistance ... C.4.Application: Mainly used for vacuum resistance, high temperature resistance, chemical corrosion resistance of sealing materials in defense ... & samples. Our main products contains O-type Loop, U-type Loop, Y-type Loop, rubber strip, oil seal, rubber ...