HDPE Plastic Tubes ISO4427-2000 DN200

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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 telecommunications industry?: Yes, plastic tubes are suitable for use in the telecommunications industry. They offer various benefits such as flexibility, lightweight, and cost-effectiveness. Additionally, plastic tubes provide adequate protection for cables, allow easy installation and maintenance, and are resistant to environmental factors like moisture and corrosion.

Q: So I was eating GoGurt yogurt. And I think I accidentally swallowed a part or the jagged part on the top of the tube. I don't think it was very big. I'm guessing the size was the size of half of a dime or a 1/4 of a dime. I know this doesn't sound too bad, since I've heard people who swallowed pennies, then they were fine, but I don't know how to get rid of it. I can still breathe and drink normally, but when I talk for too long, my throat starts to hurt a little. So far, I've tried drinking lots of water, swallowing some food to push it down (rice. :D), coughing, vomiting, and clearing my throat but I think it's still there. I'm actually not sure if it's still there or if it is gone, or just made a cut so it hurts. But I don't want to go to the doctors or ER, I'm poor. Are there any other ways to get the plastic out? Oh and if I leave it there, how long will it take for it to go down my throat and digest?: I doubt there's anything solid still in your throat. The pharynx in lined with mucus membrane and it's a sensitive tissue as well. It's made to allow things to slide through but it's also sensitive as a protective measure. I expect some very small area in your oropharynx or laryngopharynx was mildly irritated. It will resolve spontaneously. Did you for some reason think this might be the first time this has happened in the history of man? (I'm just teasing you) Don't force the coughing, vomiting (this raises new issues) or throat-clearing anymore, that serves only to further and prolong the irritation. Ignore it and by tomorrow afternoon, you'll suddenly realize your throat no longer hurts. @ Daniel, neither of what you list is CPR. I think you're trying to describe abdominal thrusts and a mouth sweep. These measures can be utilized along with CPR when they are appropriate. You've demonstrated clearly that not only do you do not know to perform either one but that you do not understand the purpose of them.

Q: Can plastic tubes be used for aquariums or fish tanks?: Yes, plastic tubes can be used for aquariums or fish tanks.

Q: Are plastic tubes suitable for industrial automation?: Yes, plastic tubes are suitable for industrial automation. Plastic tubes offer numerous benefits such as being lightweight, flexible, and resistant to corrosion, chemicals, and high temperatures. They are also cost-effective and can be easily integrated into automated systems. Additionally, plastic tubes offer excellent performance in various applications like pneumatic and hydraulic systems, conveying fluids, and protecting wires and cables.

Q: How empty do you get the toothpaste tube before you will throw it out?: I usually squeeze every last bit of life from it befor getting rid of it.

Q: Are plastic tubes suitable for point-of-purchase displays?: Yes, plastic tubes are suitable for point-of-purchase displays. They are lightweight, durable, and can be easily customized to showcase products effectively. Additionally, plastic tubes offer a wide range of design possibilities and can be cost-effective compared to other materials.

Q: Are plastic tubes FDA-approved for food contact?: Yes, plastic tubes can be FDA-approved for food contact, but it depends on the specific type of plastic used and its compliance with FDA regulations for food safety.

Q: I have a plastic container cage I D.I.Y.ed and was thinking of adding a few other D.I.Y.ed plastic containers to the cage but I need some tubes to connect them, I could buy some tubes but I wanted to see if anyone any ideas for cheap D.I.Y. tubes. If you can include links of examples it would be cool but don't worry if you can't. THANKS: i dont know what all those abbreviations are but pex plumbing might be a cheap way to go, not sure.

Q: Are plastic tubes suitable for high-viscosity products?: Plastic tubes may not be the most suitable option for high-viscosity products as they can often have difficulty dispensing thick substances effectively.

Q: What is the difference between rigid and flexible plastic tubes?: Rigid plastic tubes are firm and inflexible, maintaining their shape without bending or distorting easily. On the other hand, flexible plastic tubes are pliable and can be bent or twisted without breaking, allowing for more versatility in various applications.

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