1. What is PVC Pipe?
PVC is short for Polyvinylchloride, the main ingredient is polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness, and ductility of a material. The topmost layer of this surface film is a lacquer, the main component in the middle is polyvinyl chloride, and the bottommost layer is a backcourt adhesive.
It is a popular and widely used synthetic material in the world today. It has the second-highest global use among all synthetic materials. According to statistics, in 1995 alone, PVC production in Europe was around 5 million tons, while its consumption was 5.3 million tons. In Germany, the production and consumption of a PVC average of 1.4 million tonnes.
PVC can be divided into soft PVC and hard PVC, hard PVC accounts for about 2/3 of the market, soft PVC accounts for 1/3, soft PVC is generally used for floor, ceiling, and leather surface layer; hard PVC does not contain a plasticizer, quite easy to form, good physical properties, so it has a great value for development and application; PVC pipe has been praised by the engineering community for its light-weight, corrosion resistance, high compressive strength, safety and convenience characteristics. In recent years, the development of domestic and foreign PVC pipes has been very rapid.
2. What do I need to be aware of during the installation of PVC pipes?
1, in order to ensure the safety and cleanliness of PVC pipe, the pipe should be placed on the top with the use of brackets, to ensure that the pipe is not lying around and be stepped on by the crowd, the pipe can also be used cleanly, but also to prevent the pipe in the sludge residue.
2, before installation, the construction pipeline layout should be checked clearly, not only neat but also strong structure, whether smooth.
3, when installing, put the pipe lightly, to avoid damage during handling, and pay attention to the stone or sludge to stay in the pipe.
After installation, we have to test the pressure for a period of time, and then check each interface without water leakage, and replace it immediately if found.
From the above, we know the precautions for pipe installation structure, what is the prerequisite to ensure smooth construction? Yes, proper storage and maintenance. This requires a protective protector –PVC pipe plastic end cap.
3. PVC Pipe Plastic End Cap
3.1 PVC Pipe Plastic End Cap Types
In terms of appearance, there are two kinds of PVC pipe plastic end caps, they are caps and plugs; in terms of materials on the market, there are two kinds — LDPE and PVC.
3.2 PVC Pipe Plastic End Cap Comparison(PVC&LDPE)
|Comparison of LDPE and PVC Property Values|
|0.1||WATER ABSORPTION RATING||0|
|—||COEFFICIENT OF LINEAR THERMAL EXPANSION||6.1|
|Film products, such as agricultural films, packaging films such as confectionery, vegetables, frozen food packaging, etc; Construction film, general industrial packaging film and food bags Plastic injection products, such as small containers, lids, daily use products, plastic flowers, injection back molding, stretching and blow molding containers.Medical apparatus, pharmaceutical, and food packaging materials, extruded pipes and plates, wire and cable wrapping, profile, thermoforming and other products; blow-molded hollow molding products, such as food containers such as dairy products and jams, drugs, cosmetics, chemical products containers, tanks and cans||Polyvinyl chloride profile Profile, Polyvinylchloride pipePolyvinyl chloride film: can be cut and heat laminated to process bags, raincoats, tablecloths, curtains, inflatable toys, etc. Hard pipe, shaped pipe, corrugated pipe, used as a downpipe, drinking pipe, wire casing or stair rail. Storage tanks, ducts, and containers|
|Advantage and Disadvantage|
|LDPE has good flexibility, elongation, transparency, cold resistance, and processability; its chemical stability is good, can resist acid, alkali and salt aqueous solutions; good electrical insulation and permeability; low water absorption; easy combustion. Soft nature, good elongation, electrical insulation, chemical stability, processing properties and low-temperature resistance (-70 ℃). Its mechanical strength, moisture barrier, air barrier, and solvent resistance are poor. It is susceptible to discoloration by decomposition in sunlight or high temperatures.||The main advantage of PVC material is: the material is relatively light, waterproof and moisture-proof, unlike the plastic we see every day, PVC also has the characteristics of flame retardant insulation. The disadvantages of PVC are poor resistance to high temperatures and easy deformation when working in hot environments. The long-term use temperature of most PVC products should not exceed 55°C. It is a relatively unstable polymer, which also degrades under the action of light and heat. Dioxin acid gases are released at high temperatures.|
3.3 Qiming Packaging PVC Pipe Plastic End Cap(LDPE)
Combined with the above table we know that the deficiencies of LDPE are lower mechanical strength than HDPE, poor impermeability, heat resistance and resistance to sunlight aging, and the susceptibility to aging decomposition and discoloration under sunlight or high temperatures, resulting in reduced performance, but our Qiming Packaging LDPE has added antioxidants and UV absorbers to improve its deficiencies when it is made into plastic rolls. Therefore, Qiming Packaging pipe plastic end caps have a certain anti-aging and UV resistant function.
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