Plastic Tubes HDPE Pipe ISO4427-2000 DN90

Plastic Tubes HDPE Pipe ISO4427-2000 DN90

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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 electrical conduits?: Yes, plastic tubes can be used for electrical conduits.

Q: Sticks into her throat? What is that? what health problem does she have?: That tube Is so she can breath she has had a tracheotomy.

Q: Can plastic tubes be used for fluid transfer in laboratory settings?: Yes, plastic tubes can be used for fluid transfer in laboratory settings. Plastic tubes are commonly used due to their flexibility, chemical resistance, and ability to withstand a wide range of temperatures. They are often used for transferring various liquids or gases, such as reagents, samples, or solvents, within laboratory equipment and setups.

Q: What are the toxic hazards in plastic pipe production plants? What are the specific hazards?: In such a working environment, we should pay attention to self-protection, such as the need to insist on wearing masks, regular medical examination and so on. When the temperature reaches 65 degrees centigrade, the toxic substances will precipitate and seep into the food, which can cause serious harm to the vital parts of the liver, the viscera, the kidneys, the reproductive system and the central nervous system.

Q: Can plastic tubes be used for cosmetic packaging?: Yes, plastic tubes can be used for cosmetic packaging. They are commonly used for packaging various cosmetic products such as lotions, creams, gels, and serums. Plastic tubes offer convenience, ease of use, and are typically cost-effective, making them a popular choice in the cosmetic industry.

Q: What are the problems to be overcome in the development of plastic pipe industry?: Plastic pipe industry development prospects are relatively good, especially good performance of new plastic pipes, better prospects for development.

Q: Can plastic tubes be used for fishing rod blanks?: Yes, plastic tubes can be used for fishing rod blanks. However, they are not commonly used due to their lack of durability and flexibility compared to traditional materials like graphite or fiberglass.

Q: How can PE plastic pipe be welded with PVC plastic?: Can use plastic welding torch welding, welding wire with PCV welding, PVC welding temperature is not high, the high temperature will damage the PVC pipe, and the strength will reach up to temperature, feeling a little higher, after all, PVC is not a pressure piping.

Q: Is this okay?? I have him in a play area thing that has tubes and i looked over and he was asleep in them!! I kinda tapped on it to make sure he wasnt dead and he kinda woke up then went right back to sleep....: thats normal! I had two teddy bear hamsters, and they loved sleeping in those plastic tubes! I had those colorful plastic cages that had holes and places for tubes that led to other cages and sleeping nests and hamster wheels and such! Its completely normal(:

Q: I can't remember any other details of the episode, only that the chemicals they give the patient are so poisonous that it will actually eat through the plastic IV tubing. . . .: I remembered this was from the first season, but couldn't remember details, so I found this....... (1-07) Fidelity December 28, 2004 African trypanosomiasis Two men are out jogging – one of them returns home to his bedridden wife, who lashes out at him. Believing there is something wrong, she is sent to Princeton-Plainsboro, and when all the treatments fail, House concludes she has African sleeping sickness. However, neither the wife nor her husband have ever been to Africa. The woman will die without proper treatment, but neither one will also admit to having an affair. First season, episode 7. :)

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