• HDPE Pipe ISO4427-2000 DN20 Plastic Tubes for Posters System 1
HDPE Pipe ISO4427-2000 DN20 Plastic Tubes for Posters

HDPE Pipe ISO4427-2000 DN20 Plastic Tubes for Posters

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Physical properties[edit]

Polyethylene is a thermoplasticpolymer consisting of long hydrocarbon chains. Depending on the crystallinity and molecular weight, a melting point and glass transition may or may not be observable. The temperature at which these occur varies strongly with the type of polyethylene. For common commercial grades of medium- and high-density polyethylene the melting point is typically in the range 120 to 180 °C (248 to 356 °F). The melting point for average, commercial, low-density polyethylene is typically 105 to 115 °C (221 to 239 °F).it is transprant.

Chemical properties[edit]

Most LDPE, MDPE and HDPE grades have excellent chemical resistance, meaning that it is not attacked by strong acids or strong bases. It is also resistant to gentle oxidants and reducing agents. Polyethylene burns slowly with a blue flame having a yellow tip and gives off an odour of paraffin. The material continues burning on removal of the flame source and produces a drip.[3] Crystalline samples do not dissolve at room temperature. Polyethylene (other than cross-linked polyethylene) usually can be dissolved at elevated temperatures in aromatic hydrocarbons such as toluene or xylene, or in chlorinated solvents such as trichloroethane or trichlorobenzene.[4]

GB/T13663-2000:

PE63管材规格
公称
外径dn,mm
SDR33 SDR26 SDR17.6 SDR13.6 SDR11
公称压力 PN,Mpa
0.32 0.4 0.6 0.8 1.0
公称
壁厚
公称
壁厚
公称
壁厚
公称
壁厚
公称
壁厚
16        2.3
20      2.3 2.3
25    2.3 2.3 2.3
32    2.3 2.4 2.9
40  2.3 2.3 3.0 3.7
50  2.3 2.9 3.7 4.6
63 2.3 2.5 3.6 4.7 5.8
75 2.3 2.9 4.3 5.6 6.8
90 2.8 3.5 5.1 6.7 8.2
110 3.4 4.2 6.3 8.1 10.0
125 3.9 4.8 7.1 9.2 11.4
140 4.3 5.4 8.0 10.3 12.7
160 4.9 6.2 9.1 11.8 14.6
180 5.5 6.9 10.2 13.3 16.4
200 6.2 7.7 11.4 14.7 18.2
225 6.9 8.6 12.8 16.6 20.5
250 7.7 9.6 14.2 18.4 22.7
280 8.6 10.7 15.9 20.6 25.4
315 9.7 12.1 17.9 23.2 28.6
355 10.9 13.6 20.1 26.1 32.2
400 12.3 15.3 22.7 29.4 36.3
450 13.8 17.2 25.5 33.1 40.9
500 15.3 19.1 28.3 36.8 45.4
560 17.2 21.4 31.7 41.2 50.8
630 19.3 24.1 35.7 46.3 57.2

Q: Can plastic tubes be used for insulation in electrical wiring?
No, plastic tubes cannot be used for insulation in electrical wiring.
Q: Can plastic tubes be used for insulation?
Yes, plastic tubes can be used for insulation. They provide a protective covering and help to prevent heat transfer or loss.
Q: Are plastic tubes resistant to staining from food dyes?
Yes, plastic tubes are generally resistant to staining from food dyes.
Q: What are plastic tubes?
Plastic tubes are cylindrical hollow structures made of various types of plastic materials, such as PVC, polyethylene, or polypropylene. They are commonly used for a wide range of applications, including packaging, transportation of liquids or gases, electrical insulation, plumbing, and medical devices. Plastic tubes offer flexibility, durability, and resistance to corrosion, making them versatile and cost-effective solutions in many industries.
Q: How do plastic tubes perform in acidic environments?
Plastic tubes generally perform well in acidic environments, as they are resistant to corrosion and degradation. However, the specific performance may depend on the type of plastic and the concentration of the acid.
Q: How are plastic tubes labeled with expiration dates?
Plastic tubes are typically labeled with expiration dates using inkjet printing or laser engraving techniques. The expiration date is usually printed or engraved directly onto the surface of the tube, ensuring clear visibility and durability throughout its shelf life.
Q: Can plastic tubes be used for hydroponics?
Yes, plastic tubes can be used for hydroponics. In fact, they are a popular choice for hydroponic systems due to their durability, flexibility, and affordability. Plastic tubes can be easily customized to create a variety of hydroponic setups, such as nutrient film technique (NFT) or drip irrigation systems. They also provide a safe and inert environment for plant roots, allowing for efficient nutrient and water delivery.
Q: Quality inspection station said that the ceiling does not let go PVC tube, I did not find evidence
In the regulations of the old people's regulations, the "hard burning type" plastic pipe wiring can be used in the building ceiling." Plastic bellows should not be used".
Q: Anyone know where I can buy a custom tube (wood, aluminum, or plastic) with the following dimension...??I.D. : 4.0625 inchesO.D.: 4.1875 inchesLength: 1 inch (can be longer, of course)Ive been looking all over the net for custom plastic manufacturers but no success as of yet.Thanks!
Do you really need spec.s to ten thousanths of an inch and not care about the nature of the material?
Q: How do you cut plastic tubes to size?
To cut plastic tubes to size, you can use a few different methods depending on the thickness and type of plastic. One common approach is to use a fine-toothed saw or a hacksaw to make a straight cut. Another option is to use a utility knife or a pipe cutter specifically designed for plastic tubes. It is important to secure the tube firmly and make a steady, controlled cut to ensure accuracy and prevent any damage.

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