Nta kata na nbung katsi ai shara hta silicone rubber a hkum hkrang n-gun gaw kaga organic rubbers ni hta loi mi n-gun n rawng ai, raitim, tsaw ai- n-gun grau law ai masa hta, shi a n-gun gaw grau nna dan dawng ai.
Ga shadawn, hkying hkum 70 tup 150℃hta dip sha ngut ai hpang silicone rubber a compression set gaw 7% kaw nna 10% du hkra rai nga ai. Ndai low compress set gaw, O{5}}ring, gasket hte washer zawn re ai daw ni hpe pat da na matu grai kaja ai arung arai langai mi rai nga ai. Dai hta n-ga, laksan silicone rubber ni mung radiation hpe ninghkap lu ai.
Ga shadawn, phenyl silicone rubber gaw grai kaja ai- a n-gun grai ja ai radiation hpe ninghkap lu ai atsam nga ai rai nna, Y{1}}ray gaw 1X109R daram tsaw ai aten hta pyi, elasticity hpe naw tawn da lu ai.