Valve body of high-strength plastic ball valve
A high-strength plastic and ball valve technology, applied in the field of plastic valve manufacturing, can solve the problems of poor acid and alkali corrosion resistance and high manufacturing cost, and achieve the effects of good mechanical performance, low manufacturing cost and cost reduction.
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[0016] Example 1:
[0017] A high-strength plastic ball valve body, which is composed of the following parts by weight of raw materials: 40 parts of high-density polyethylene, 12 parts of aromatic polycarbonate, 15 parts of polypropylene, 10 parts of glass fiber, 7 parts of nano silicon nitride, 9 parts of ethylene diamine propyl methyl dimethoxy silane, 3 parts of diphenylamine, 3 parts of zinc stearate, 4 parts of liquid paraffin.
[0018] The preparation method of the high-strength plastic ball valve body of this embodiment is as follows: (1) Put all raw materials into an oven at 110°C for drying for 2 hours; (2) Put high-density polyethylene, aromatic polycarbonate and polypropylene Into the high-speed mixer, mix evenly, dry again, and pass through a 120-mesh sieve; (3) Mold closing: close the mold corresponding to the valve body; (4) Add all the raw materials into the feeding chamber and heat and melt at 230°C; (5) ) Use a press to put the molten hydraulic pressure into the m...
Example Embodiment
[0019] Example 2:
[0020] A high-strength plastic ball valve body, which is composed of the following parts by weight: 35 parts of high-density polyethylene, 10 parts of aromatic polycarbonate, 18 parts of polypropylene, 12 parts of glass fiber, 5 parts of nano silicon nitride, 8 parts of ethylene diamine propyl methyl dimethoxy silane, 5 parts of diphenylamine, 4 parts of zinc stearate, 2 parts of liquid paraffin.
[0021] The preparation method of the high-strength plastic ball valve body of this embodiment is as follows: (1) Put all raw materials into an oven at 120°C for drying for 2 hours; (2) Put high-density polyethylene, aromatic polycarbonate and polypropylene Into the high-speed mixer, mix evenly, dry again, and pass through a 120-mesh sieve; (3) Mold closing: close the mold corresponding to the valve body; (4) Add all the raw materials into the feeding chamber and heat and melt at 260°C; (5) ) Use a press to put the molten hydraulic pressure into the mold cavity, the p...
Example Embodiment
[0022] Example 3:
[0023] A high-strength plastic ball valve body, which is composed of the following parts by weight of raw materials: 45 parts by weight of high-density polyethylene, 15 parts of aromatic polycarbonate, 20 parts of polypropylene, 9 parts of glass fiber, 8 parts of nano silicon nitride, 10 parts of ethylene diamine propyl methyl dimethoxy silane, 2 parts of diphenylamine, 5 parts of zinc stearate, 3 parts of liquid paraffin.
[0024] The preparation method of the high-strength plastic ball valve body of this embodiment is as follows: (1) Put all raw materials into an oven at 110°C for drying for 2 hours; (2) Put high-density polyethylene, aromatic polycarbonate and polypropylene Into the high-speed mixer, mix evenly, dry again, and pass through a 120-mesh sieve; (3) Mold closing: close the mold corresponding to the valve body; (4) Add all the raw materials into the feeding chamber and heat and melt at 220°C; (5) ) Use a press to put the molten hydraulic pressure ...
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