... . Fire resistance 3. Radiation resistance 4. Oil resistance rubber keypad switch MaterialNR,CR,NBR,SBR, SILICONE,VITON,EPDM, HNBR, BUNA, etc ... 's testingPackageInner plastic bag/outside carton/wooden palletsPayment termsL/C, T/T, Western Union, MoneyGram Delivery timeSamples can be ready for shipment ...