Composition used for preparing dumbbell and dumbbell preparation method using same
A composition and dumbbell technology, applied in dumbbells, applications, heavy objects, etc., can solve the problems of consuming large energy and iron resources, cumbersome manufacturing processes, polluting the environment, etc., and achieve low cost, high economic advantages, and high economic benefits. Effect
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Embodiment 1
[0033] Take the following raw materials: 2 kg of trans-isoprene, 8 kg of EVA, 45 kg of iron ore powder, 45 kg of barite powder, 0.5 kg of antioxidant 1010, 0.8 kg of dispersant silicone grease ST-1013, 2 kg of Joint agent A-151 (vinyl triethoxysilane), 5 kg of fumaric acid diester DOF.
Embodiment 2
[0035] Take the following raw materials: 4 kg of trans-isoprene, 5 kg of EVA, 60 kg of iron ore powder, 51 kg of barite powder, 0.6 kg of antioxidant 1010, 0.96 kg of dispersant silicone grease ST-1013, 2.4 kg of Joint agent A-151, 6 kg of fumaric acid diester DOF.
[0036] The preparation process flow chart of the present embodiment 1 and 2 is shown in Figure 1. Take the following approach:
[0037] (1) Activate iron ore powder and barite powder, process iron ore powder into 150-300 mesh fine powder, water-select into particles containing 50-70% iron, dewater and dry; barite powder is processed into 200-300 The target powder is dried and dehydrated; the processed iron ore powder and barite powder are mixed, and a coupling agent is added to make active ore powder.
[0038] (2) Put TPI, EVA, and performance additives into the mixer in proportion, mix them evenly and add them to the extruder. High molecular polymer powder pellets are characterized by being filled with 900-120...
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