Rubber matrix for inflating valve
A valve and rubber material technology, applied in the field of valve rubber material, can solve the problems of cumbersome production process, large investment burden of production enterprises, poor ventilation and easy fire hazards, etc.
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Embodiment 1
[0024] A valve rubber material, comprising the following components by weight percentage:
[0025] Natural rubber 20%;
[0026] Ethylene propylene rubber 8%;
[0027] SBR 7%;
[0028] Carbon black 45%;
[0029] p-phenylenediamine antioxidant 1.3%;
[0030] Anti-aging agent RD 0.5%;
[0031] Wax antioxidant 0.75%;
[0032] Ketoamine antioxidant BLE-W 1.45%;
[0033] Cobalt salt 0.6%;
[0034] Silica 3.8%;
[0035] Binder RS 0.72%;
[0036] Adhesive A 0.18%;
[0037] Naphthenic oil softener 6%;
[0038] Vulcanization system 2.1%;
[0040] Stearic Acid 0.4%.
[0041] The preparation steps of the above-mentioned valve sizing material are as follows:
[0042] (1) Prepare materials, prepare the natural rubber, ethylene-propylene rubber, carbon black, p-phenylenediamine anti-aging agent, cobalt salt system, white carbon black, binder RS, binder A, ring Paraffin oil softener, vulcanization system, zinc oxide, stearic acid and styrene-butadien...
Embodiment 2
[0050] All the other are identical with described embodiment 1, and difference is that above-mentioned valve compound comprises the following components by weight percentage:
[0051] Natural rubber 35%;
[0052] Ethylene propylene rubber 5%;
[0053] SBR 6%;
[0054] Carbon black 35%;
[0055] p-phenylenediamine antioxidant 1.3%;
[0056] Anti-aging agent RD 0.5%;
[0057] Wax antioxidant 0.45%;
[0058] Ketoamine antioxidant BLE-W 0.25%;
[0059] Cobalt salt 0.4%;
[0060] Silica 3.9%;
[0061] Binder RS 0.4%;
[0062] Adhesive A 0.2%;
[0063] Naphthenic oil softener 5.7%;
[0064] Vulcanization system 3%;
[0066] Stearic Acid 0.4%.
Embodiment 3
[0068] All the other are identical with described embodiment 1, and difference is that above-mentioned valve compound comprises the following components by weight percentage:
[0069] Natural rubber 39.49%;
[0070] Ethylene propylene rubber 6%;
[0071] SBR 5%;
[0072] Carbon black 35%;
[0073] p-phenylenediamine antioxidant 1%;
[0074] Anti-aging agent RD 0.3%;
[0075] Wax antioxidant 0.45%;
[0076] Ketoamine antioxidant BLE-W 0.25%;
[0077] Cobalt salt 0.5%;
[0078] Silica 3.5%;
[0079] Binder RS 0.8%;
[0080] Adhesive A 0.21%;
[0081] Softener 4%;
[0082] Vulcanization system 1%;
[0083] Zinc oxide 2.1 %;
[0084] Stearic Acid 0.4%.
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