Water meter casing material and preparation method thereof
A shell material and water meter technology, applied in the field of water meter shell material and its preparation, can solve the problems of increased production cost, excessive waste of materials, short service life, etc., and achieve the effects of prolonging service life, convenient transportation, and convenient operation
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Embodiment 1
[0023] Water meter shell material, the material preparation raw materials include: 90 parts by weight of iron ore powder, 8.5 parts by weight of polypropylene (pp),
[0024] 1 part by weight of antioxidant, 0.5 part by weight of anti-ultraviolet agent. The antioxidant is a 1:1 mixture of antioxidant 1010 and antioxidant 168. The anti-ultraviolet agent is UV-531.
[0025] Preparation steps include:
[0026] (1) First, dry the polypropylene raw material at 50°C for 2 hours to remove moisture and other impurities that affect product quality;
[0027] (2) Add the polypropylene raw material dried in step (1) into the injection screw of the injection molding machine, then add antioxidant and anti-ultraviolet agent, and heat and melt at 200°C;
[0028] (3) adding iron ore powder to the raw material in the molten state in the injection molding screw in step (2) to obtain a mixture;
[0029] (4) Inject the mixed material in step (3) into the mold with a temperature of 60°C through ...
Embodiment 2
[0031] Water meter shell material, the material preparation raw materials include: 85 parts by weight of iron ore powder, 14 parts by weight of polypropylene (pp),
[0032] 0.5 parts by weight of antioxidant, and 0.5 parts by weight of anti-ultraviolet agent. Antioxidant is Antioxidant 1010. The anti-ultraviolet agent is UV-531.
[0033] Preparation steps include:
[0034] (1) First, dry the polypropylene raw material at 50°C for 2 hours to remove moisture and other impurities that affect product quality;
[0035] (2) Add the polypropylene raw material dried in step (1) into the injection screw of the injection molding machine, then add antioxidant and anti-ultraviolet agent, and heat and melt at 200°C;
[0036] (3) adding iron ore powder to the raw material in the molten state in the injection molding screw in step (2) to obtain a mixture;
[0037] (4) Inject the mixed material in step (3) into the mold with a temperature of 60°C through the screw extrusion of the injecti...
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