PVC welding rod

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latest update: 2020-09-01 16:12
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COMPANY BASIC INFORMATION
Detailed description
PVC Welding Rod: This product is specially designed for the construction and welding of PVC transparent plates. The specification is 2.5-3.6mm, the length is 1000mm, and the varieties are single and double.
PVC welding rod: This product is a solid strip product with polyvinyl chloride resin as the main raw material, which is extruded and formed. The product complies with the HGB2161-62 standard of the People's Republic of China.
Product characteristics: acid, alkali and corrosion resistance.
Product use: suitable for the production of PVC sheets and pipes. For welding various chemical equipment, general anti-corrosion machinery, etc.
Physical properties: tensile strength MPA≥40.
Product color: generally water gray.
The length of the double strands 2mm, 2.5mm, 3mm, 4mm is 1m±0.02.
Each package is 5 kg.
主要生产设备为PVC焊条
(1) The extruder of PVC board manufacturers generally chooses a small-size single-screw extruder (Φ45mm extruder). For example, when a large-size extruder is selected and a porous die is used to produce multiple welding electrodes at the same time, due to the hard PVC plastic The fluidity is poor, the flow resistance at the machine head is inconsistent, the discharge speed is uneven, and the diameter of the produced electrode is different. The head structure of the extruder is basically similar to that used to produce PVC hard rods, but because the diameter of the electrode is small, the head resistance is relatively large, so the length of the forming part should not be too large to avoid difficulty in discharging. In the die for producing a single electrode, the material flow in the middle and the edge of the adjacent single channel is often inconsistent or abnormal, which affects the quality. If the double electrode is produced and the two channels are connected, there will be no such drawbacks and the die structure will be simplified.
(2) Welding rod cutting machine The welding rod is drawn into the cutting machine after cooling. Since the length of the welding rod is consistent, there should be a cutting machine that strictly controls the cutting length.
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