Making sensitive material : made in non - sulfur vulcanization system with the formula : epdm 100kg , dicumylperoxide ( dcp ) 2kg as cross - linking agent , stearic acid 1kg as processing aid , oxidized zinc ( zno ) 3kg as accelerant , wax oil 10kg as lubricant ; and made in vulcanizing condition : vulcanizing temperature 170 c , vulcanizing time 15minutes , vulcanizing pressure 3 mpa , the vulcanized epdm is optimal sensitive material for petrol . the sensing head equipped with the vulcanized rubber possesses two qualities : better swelling response and better anti - interfere against temperature variation 敏感材料的制備:用無硫硫化體系;配方為:生膠100kg , dcp2kg ,硬脂酸1kg , zno3kg ,石蠟油10kg ;硫化條件:硫化溫度170 ,硫化時間15分鐘,硫化壓力3mpa ,制備的硫化橡膠對汽油的監(jiān)測較理想,用其裝備的傳感頭不僅有較好的溶脹響應(yīng)性能,而且有很好的抗溫變干擾能力。