PVC-SG-5 High-Performance Pipe Grade PVC Resin

Features

Moderate molecular weight and distribution: PVC-SG-5 resin has a moderate average molecular weight, generally around 800-1000, and a relatively narrow molecular weight distribution. This gives it good fluidity during processing, allowing it to be easily molded in a mold, while ensuring that the pipe has high mechanical strength and toughness.

Good thermal stability: By adding appropriate thermal stabilizers, PVC-SG-5 resin can withstand high temperatures during processing without significant degradation or discoloration. It can usually remain stable within the processing temperature range of 160-190℃, ensuring the quality stability of the pipe during production.

High impact resistance: Compared with ordinary PVC resin, PVC-SG-5 is specially modified for the use requirements of pipes and has higher impact strength. This is achieved by adding special additives or using specific polymerization processes during the polymerization process to make the resin molecular chain structure more regular and the intermolecular forces stronger, thereby improving the material's ability to resist impact damage.

Excellent chemical corrosion resistance: Pipes made of PVC-SG-5 resin have good tolerance to most acids, alkalis, salts and other chemicals. This is because the chlorine atoms in the PVC molecular structure make the molecular chain have high polarity and stability, are not easily corroded by chemicals, and can be used for a long time in various chemical environments.

Good electrical insulation performance: It has excellent electrical insulation performance, and its volume resistivity is generally between 10¹²-10¹⁴Ω・cm, and its surface resistivity is between 10¹³-10¹⁵Ω. This makes PVC-SG-5 pipes not only used to transport various fluids, but also in some occasions where electrical insulation is required, such as wire and cable protective casings.

Application

Building water supply and drainage pipelines: Due to its good corrosion resistance, impact resistance and hygienic properties, PVC-SG-5 pipes are widely used in water supply and drainage systems in buildings. It can be used to transport hot and cold water, drinking water and sewage, etc., and can meet the requirements of different water quality and use environment.

Municipal water supply and drainage pipelines: PVC-SG-5 pipes are also widely used in municipal water supply and drainage projects in cities. Its corrosion resistance and wear resistance enable it to operate stably under long-term buried conditions, reducing the maintenance and replacement costs of pipelines. At the same time, its good hydraulic performance can reduce water flow resistance and improve water delivery efficiency.

Chemical pipelines: In the chemical industry, it is used to transport various corrosive chemical media, such as acids, alkalis, and salt solutions. The chemical corrosion resistance of PVC-SG-5 pipes can ensure that there will be no leakage or pipeline damage when transporting these media, ensuring the safety and stable operation of chemical production.

Wire and cable protective sleeves: With its good electrical insulation and mechanical protection properties, PVC-SG-5 pipes are widely used as protective sleeves for wires and cables. It can effectively prevent wires and cables from mechanical damage, moisture erosion and chemical corrosion from the outside world, and improve the service life and safety of wires and cables.

Storage

Environmental conditions: It should be stored in a cool, dry, well-ventilated warehouse, avoiding direct sunlight and humid environment. The ideal storage temperature is 5℃ - 35℃, and the humidity is 40% - 60%. Too high temperature may cause the resin to agglomerate and degrade performance, while too low temperature may make it brittle and affect processing performance.

Packaging protection: Keep the packaging intact and sealed to prevent the resin from getting damp and contaminated. If the packaging is damaged, it should be handled in time, such as replacing the packaging or transferring it to a sealed container to avoid external impurities from mixing into the resin and affecting the quality of the resin.

Classified storage: PVC-SG-5 resins of different batches and models should be stored in categories and clearly marked to prevent confusion. At the same time, it should be stored separately from flammable, explosive, volatile and other dangerous goods to avoid safety accidents.

Detailed Photos  

 

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