PE material is polyethylene, which is the variety of plastic materials used, and it is a polymer material synthesized by polyethylene.According to its density, polyethylene pipes can be divided into several grades. PE80 refers to 80 grade polyethylene raw materials, that is, medium density polyethylene (MDPE), 100 is 100 grade polyethylene raw materials, that is, high density polyethylene (HDPE). The pressure bearing capacity of class 100 is better than that of class 80. The density is also higher.
Characteristics and application of PE80
PE80 pipe has high pressure resistance, good toughness and excellent corrosion resistance. Its moderate density makes the pipe maintain a certain strength at the same time, but also has a good impact resistance. Therefore, PE80 pipe is widely used in building water supply and drainage, urban water supply, farmland irrigation and other fields.
Performance characteristics of PE 100 and PE80 difference:
The main differences between PE80 and PE100 are raw materials, bearing capacity, density, mechanical properties and application fields.
Raw materials and pressure bearing capacity: The main difference between PE80 and PE100 is that they use different grades of polyethylene. PE80 uses grade 80 polyethylene, and PE100 uses grade 100 polyethylene. correspondingly, the pressure bearing capacity of 100 is better than that of 80. When the water supply pipe is made, the maximum pressure of PE80 is 1.25MPa, the maximum pressure of and PE100 is 1.6MPa.
Density: PE80 has a lower density than PE100, therefore PE80 is called medium density polyethylene (MDPE), and PE100 is called high density polyethylene (HDPE).
Mechanical properties: PE100 material has higher ring stiffness, its elastic modulus is 1250MPa, is higher than the standard high density polyethylene resin 950MPa. In addition, PE100 resin can maintain a strength of 10MPa at 20℃ for 50 years, and PE80 is 8.0MPa. PE100 polyethylene pipe special material has good stress cracking resistance, can delay the appearance of stress cracking, can even reach more than 10000 hours
Application areas: Due to its higher mechanical properties and better durability the PE100 is more suitable for applications requiring a higher safety factor and longer service life. , for example, PE100 can withstand a higher pressure limit in a natural gas network, and PE100 can also withstand a higher pressure 3 in a water transmission network.
To sum up, choose PE80 or PE100 mainly depends on the specific application needs, including pressure bearing capacity, service life and cost and other factors. Where higher safety and longer service life are required, PE100 is the better choice
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