Reinforced graphite sealing sole plate and its making process
A graphite sealing and enhanced technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of low strength, unseen, poor processability of gasket processing, etc., to achieve high strength, good process performance, and outstanding essence The effect of sexuality
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Embodiment 1
[0024] Embodiment 1, accurately weigh 10 kilograms of nitrile rubber, 40 kilograms of graphite, 32 kilograms of sepiolite fiber, 1 kilogram of sulfur, 2 kilograms of accelerator M2, 1 kilogram of antioxidant D, 4 kilograms of zinc oxide, 30 kilograms of benzene, and mix Add the weighed nitrile rubber, sulfur, accelerator M, anti-aging agent D, and zinc oxide into the feeder and stir for 5 minutes, add sepiolite fiber and solvent dipping, the dipping time is 25 minutes, add graphite, and stir for 2 hour, mix until the large material is soft and bright, no glue beans, no dry material, no hard core, and then form a sheet. First, the temperature of the large roller of the sheet forming machine rises. When it reaches 100 ° C, adjust the baffle to hang the skin After the large material is loaded, hang the outer skin material, and then stop and cut the board; finally, vulcanize, the vulcanization conditions are: vulcanization temperature 140 ° C, vulcanization pressure 1.0 MPa, vulcan...
Embodiment 2
[0025] Embodiment 2, accurately weigh 5 kilograms of natural rubber, 20 kilograms of graphite, 20 kilograms of sepiolite fiber, 0.5 kilogram of TMTD, 2 kilograms of accelerator DM, 0.5 kilogram of antioxidant BLE, 3 kilograms of stearic acid, 20 kilograms of toluene, in Add the weighed natural rubber, TMTD, accelerator DM, anti-aging agent BLE, stearic acid into the mixer and stir for 5 minutes, add sepiolite fiber and solvent dipping, the dipping time is 20 minutes, add graphite, stir 1.5 hours, mix until the large material is soft and bright, no glue beans, no dry material, no hard core, and then form a sheet. First, the temperature of the large roller of the sheet forming machine rises. When it reaches 90 ° C, adjust the baffle to hang Leather material, and then put in the large material, and start cutting. After the large material is loaded, hang the outer leather material, and then stop and cut the board; finally, vulcanize. The vulcanization conditions are: vulcanization ...
Embodiment 3
[0026] Embodiment 3, accurately weigh 15 kilograms of natural rubber, 60 kilograms of graphite, 45 kilograms of sepiolite fiber, 1.5 kilograms of TMTD, 2.5 kilograms of accelerator TMTD, 1.5 kilograms of antioxidant BLE, 5 kilograms of stearic acid, 40 kilograms of gasoline, Add the weighed natural rubber, TMTD, accelerator TMTD, anti-aging agent BLE, stearic acid in the mixer and stir for 5 minutes, add sepiolite fiber and solvent dipping, the dipping time is 30 minutes, add graphite, Stir for 2.5 hours until the aniseed material is soft and bright, with no glue beans, no dry material, and no hard core, and then form a sheet. First, the temperature of the large roller of the sheet forming machine rises. When it reaches 1-10°C, adjust Hang the leather material on the baffle, then put in the large material, and start cutting. After the large material is loaded, hang the outer leather material, and then stop and cut the board; finally, vulcanize. 30 minutes.
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