Plastic Tubes HDPE Pipe ISO4427-2000 DN250

Plastic Tubes HDPE Pipe ISO4427-2000 DN250

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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: Are plastic tubes suitable for use in the marine industry?: Yes, plastic tubes are suitable for use in the marine industry. Plastic tubes are lightweight, durable, and resistant to corrosion, making them ideal for various applications in marine environments. They are commonly used for fluid transfer, electrical insulation, and structural supports in boats, ships, and offshore structures. Plastic tubes also have good resistance to chemicals and UV radiation, further enhancing their suitability for marine applications.

Q: Jump rope in the middle of the cut of plastic pipe role: Increase rope weight. It is estimated that your rope is a cotton cord, which can easily jump dead rope. Installing this plastic tube adds a certain weight, thereby preventing the dead rope.

Q: There are so many plastic tubes in the beer brewing process, and the cleaner that comes with the kit is not good enough. I was wondering if anyone has any good tips or tricks.: soak them in bleach water, a sink full of water to 1 cap of bleach.

Q: We're adopting a six-month-old kitten soon, and she's a good fit in with our family except she's a chewer. My grandma is on oxygen and her tube snakes through our upstairs hallway. Although the cat won't be upstairs much, is there any way to make her NOT want to chew it? Wrapping it in something isn't a good idea, as my grandma is still sort of mobile and has to make it to the bathroom and such, but is there any kind of spray or powder you can put on a plastic tube that cats hate?Thanks!: well dogs chase cats so put the smell of dog on it that might work

Q: How do plastic tubes compare to nylon tubes in terms of strength?: Plastic tubes generally have lower strength compared to nylon tubes. Nylon tubes are known for their superior strength, durability, and resistance to wear and tear. They can withstand higher pressures and have better tensile strength, making them more suitable for applications requiring high performance and reliability.

Q: Are plastic tubes suitable for underground applications?: Yes, plastic tubes are suitable for underground applications. They are lightweight, corrosion-resistant, and have a high strength-to-weight ratio, making them ideal for underground piping systems. Additionally, plastic tubes are durable and can withstand various environmental conditions, including moisture, chemicals, and temperature fluctuations.

Q: Can plastic tubes be used for chemical dosing systems?: Yes, plastic tubes can be used for chemical dosing systems. Plastic tubes are commonly used in chemical dosing systems due to their resistance to corrosion and chemicals, as well as their flexibility and affordability.

Q: can you use copper piping to fire firework rockets instead of plastic tubes ?: Yes. It's also safer than PVC too.

Q: Are plastic tubes suitable for packaging household products?: Yes, plastic tubes are suitable for packaging household products. They offer durability, flexibility, and are lightweight, making them ideal for a wide range of products such as creams, gels, liquids, and even powders. Plastic tubes also provide excellent protection against moisture, air, and contaminants, ensuring the quality and longevity of the packaged products. Additionally, plastic tubes are convenient for consumers, as they are easy to use, dispense the product efficiently, and can be easily recycled.

Q: For some tuning fork frequencies is it possible to hear resonance at more than one length of the plastic tube? Why?: Because the tube might be long enough to reflect the third harmonic( if it is a tube closed at one end ). It is easier to find the 2nd resonance with the higher pitched tuning forks.

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