Agricultural polyethylene nine-meter tubular product without R port and double bevel angles and preparation technology of tubular product
A preparation process, polyethylene technology, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve the problems of wasting financial resources, affecting traffic safety, wasting manpower, etc., and achieve the effect of reducing production costs, good quality, and ensuring overall quality
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Embodiment 1
[0044] A nine-meter agricultural polyethylene pipe with no R-mouth double bevel angle, with a diameter of 160mm, adopts the following preparation process:
[0045] 1. Accurately weigh the components of the raw material formula as indicated in Table 1 and use them for later use.
[0046] 2. Put the weighed light calcium carbonate, paraffin wax and stearic acid into the high mixing pot of the automatic mixer and mix them. When the material temperature reaches 100°C, the weighed PVC, stabilizer, CPE is added to the high-mix pot and further mixed. When the temperature of the materials in the high-mix pot reaches 125°C, it automatically enters the low-speed mixer and quickly cools down to below 60°C.
[0047] 3. The dry blend after being mixed by the automatic mixer enters the 80-156 double-screw automatic extruder through the automatic feeder for plasticization and extrusion. The automatic feeder adopts a spring-type powder feeder. The extruder can automatically feed when there is no ma...
Embodiment 2
[0058] A nine-meter polyethylene pipe for agricultural use with double bevel angles without R, with a diameter of 125mm, adopts the following preparation process:
[0059] 1. Accurately weigh the components of the raw material formula as indicated in Table 1 and use them for later use.
[0060] 2. Put the weighed light calcium carbonate, paraffin wax and stearic acid into the high mixing pot of the automatic mixer and mix them. When the material temperature reaches 100°C, the weighed PVC, stabilizer, CPE is added to the high-mix pot and further mixed. When the temperature of the materials in the high-mix pot reaches 125°C, it automatically enters the low-speed mixer and quickly cools down to below 60°C.
[0061] 3. The dry blend after being mixed by the automatic mixer enters the 80-156 double-screw automatic extruder through the automatic feeder for plasticization and extrusion. The automatic feeder adopts a spring-type powder feeder. The extruder can automatically feed when there ...
Embodiment 3
[0072] A nine-meter agricultural polyethylene pipe with a double bevel angle without R, with a diameter of 90mm, adopts the following preparation process:
[0073] 1. Accurately weigh the components of the raw material formula as indicated in Table 1 and use them for later use.
[0074] 2. Put the weighed light calcium carbonate, paraffin wax and stearic acid into the high mixing pot of the automatic mixer and mix them. When the material temperature reaches 100°C, the weighed PVC, stabilizer, CPE is added to the high-mix pot and further mixed. When the temperature of the materials in the high-mix pot reaches 125°C, it automatically enters the low-speed mixer and quickly cools down to below 60°C.
[0075] 3. The dry blend after being mixed by the automatic mixer enters the 80-156 double-screw automatic extruder through the automatic feeder for plasticization and extrusion. The automatic feeder adopts a spring-type powder feeder. The extruder can automatically feed when there is no ma...
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