Brief introduction of medium buried plastic waterstop:
Mid-buried plastic waterstop (PVC waterstop) is a PVC mid-buried plastic waterstop made of polyvinyl chloride resin and various additives through mixing, plastic processing, extrusion and other processes Bring raw materials. The mid-embedded plastic waterstop uses the ductile deformation characteristics of elastomer materials. The mid-embedded plastic waterstop has the function of leak stop and waterproof layer in the joint of the building structure. The mid-embedded plastic waterstop has the function of resisting Corrosion, good performance characteristics.
Uses and characteristics of PVC embedded plastic waterstop:
The mid-buried plastic waterstop is suitable for foundation works that are set in the settlement joints and building deformation joints with the concrete when the concrete is poured. Such as tunnel construction, diversion tunnel, water intake aqueduct, water retaining dam, liquid storage building, underground equipment, etc. The raw materials of rubber and plastic products used in the mid-buried plastic waterstop are textile materials and textile materials that have liu rubber extension and plastic anti-aging properties.
What are the advantages of embedded plastic water stop in PVC:
The mid-buried plastic waterstop has strong corrosion resistance, ultra-low temperature characteristics, high compressive strength at break, and a service life that is 3-5 times higher than that of general waterstops. The manufacturing process is different from that of elastomer materials in various fields. The original vulcanized rubber lining processing technology and high-temperature multiple forming have been cancelled. The raw material joint is made of marble and does not contain reconstructed ingredients. The mid-embedded plastic waterstop is in the production process The reconstituted ingredients do not merge with other chemical formulas. If there is a reconstituted ingredient, the goods will cause a qualitative change. The raw materials of rubber and plastic products are not developed. Therefore, the purity of the raw materials of the embedded plastic water stop belt is high and the quality is very easy to ensure.
Welding method of PVC embedded plastic waterstop:
The quality of the PVC embedded plastic water stop connector is important to resist pressure and integrate into the joints with strong deformation. The waterstop is a heat-sensitive plastic, and it is necessary to grasp the heating temperature when welding, not only to melt the plastic, but also to burn the raw material yellow or cause bubbles. The infrared induction fusion splicer developed by our company is light in weight, light in weight, easy to use, and easy to use. The compressive strength of the connector after welding is high, and its compressive strength reaches about 92% of the butt weld. The actual welding method is as follows:
1. The specific welding methods of PVC embedded plastic waterstop are as follows:
â‘ The two sides of the plastic stopper connector to be welded before laser welding are laser cut and flattened without gaps. And remove stains neatly.
â‘¡Plug the connector of the splicer into the switching power supply and heat up and down for fifteen minutes.
â‘¢Put the buried plastic waterstop into the tooling fixture or hold the plastic waterstop on each side of the door and place the fusion splicer on both sides for about 15-20mm for baking.
â‘£ Observe the change of the melting state of all the cross-sections of the embedded plastic waterstops on both sides. Pay attention to the dryness and make it yellow or blistering. If you find such a situation, you should remove it and adjust it again before baking. After the plastic oil on both sides is more than symmetrical, immediately remove the fusion splicer, close the tooling fixture or two people to quickly squeeze the heads of the two sides, and extrude the molten plastic at the interface. Use a thick rib about 3 ~ 5mm in height, and keep it up and down for 5 minutes to cool down and relieve the pressure.
Development history of medium buried plastic waterstop:
The raw materials for rubber and plastic products in mid-buried plastic waterstops are among the new technology and new technology goods in China during the 1980s.They have the characteristics of strong ductility, anti-aging, corrosion resistance, high tensile strength, fine color, toughness and smooth. The mid-buried plastic waterstop is a product that replaces the rubber and plastic products currently used in China.
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