Plastic Tubes HDPE Pipe 4427-1996

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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 packaging creams or lotions?: Yes, plastic tubes can be used for packaging creams or lotions. They are commonly used in the cosmetic industry due to their flexibility, durability, and ability to be easily squeezed for product dispensing. Plastic tubes also provide a hygienic and convenient packaging solution for creams and lotions, protecting the product from contamination and allowing for controlled dispensing.

Q: The dishwasher behind my bar at work has a leak. The pipe that's leaking is Parker Parflex PP 3/8 plastic tubing that connects into a metal nut and brings clean water in. The pipe has a leak exactly where it meets the nut, so in theory I could cut off the cracked portion and then re-seal it to the nut. Can I cut it with wire cutters? Should it be sanded after I cut it? Do I use a teflon sealant? Thanks for any help!: That should be a compression fitting. If it's a brass fitting then they are one time use. You can get a new brass fitting, cut the PP tube clean with a knife or a razor blade - be careful not to cut yourself please, then install the nut over the tube, slip the compression ring over the tube and if there's an insert that goes inside the PP, insert that. Then push the hose into the fitting and slide the nut and ring to the threaded portion of the fitting and tighten it. Be careful to tighten it enough to seal but not so tight you cut through the pipe again. It's likely the reason you have the leak in the first place is because someone overtightened it. OR you can simply buy a replacement hose. I'd prefer a wire braid shielded pipe. Stronger and made with a professional fitting on the end, one you don't have to mess with. My opinion, replacing the tube is the better idea. And they're not stupidly expensive either. Good luck with your project. '')

Q: What are the advantages of using plastic tubes in the automotive packaging industry?: There are several advantages of using plastic tubes in the automotive packaging industry. Firstly, plastic tubes provide a lightweight and durable packaging solution, making them easier to handle and transport. Secondly, plastic tubes offer excellent protection against moisture, dust, and other external elements, ensuring the integrity and safety of automotive components during storage and shipping. Additionally, plastic tubes can be easily customized and labeled, allowing for efficient organization and identification of different automotive parts. Lastly, plastic tubes are cost-effective compared to other packaging materials and can be recycled, contributing to environmental sustainability.

Q: It's kind of like a slushy. What's it called?: I found a gadget in a magazine that is shaped like a T. The top part of the T is the handle and the bottom part has a little slit in it almost to the top part of the T. You put the almost empty tube into the slit and use the top part as a handle to roll the bottom up. You'd be surprised how much you can get out of a tube you almost threw away! You can find the in any of the senior products type magazines and they're pretty cheap.

Q: I'm looking to make my own gas mask bong like the one pictured here . I've looked as jumbo sized plastic test tubes but they are not big enough. I just need a link to buy tubes that big. preferably plastic.: I'd say your best bet is a head-shop or smoke-shop as they sell all sorts of accessories for smoking, the tubes could be homemade or makeshift made in a shop by a tradesmen. Lastly smoking out of plastic is not as good as glass it has more carcinogens or something i remember reading about it somewhere. Hope that helps

Q: I am doing a human heart model and need to see where I can buy transparent tubes. No more than half an inch wide? Please help!: knowledge tree, OKorder, OKorder

Q: Im looking for plastic tubes like pvc, but clear. about 3ft in length. where can i find it?: Go to Home Depot or Lowes Home Improvement. They should be well stocked with what you are looking for and the staff are always willing to help customers. Just ask them if they have what you need and they will point you in the right direction.

Q: Are plastic tubes suitable for vacuum applications?: Plastic tubes can be suitable for vacuum applications depending on their material composition and design. Some plastic tubes, such as those made from materials like polytetrafluoroethylene (PTFE), are highly resistant to chemical and thermal degradation, making them suitable for vacuum applications. However, it is important to consider the pressure and temperature limits of the specific plastic tube being used to ensure it can withstand the desired vacuum conditions without deformation or failure.

Q: Can plastic tubes be used for storing chemicals or reagents?: Yes, plastic tubes can be used for storing chemicals or reagents.

Q: Can plastic tubes be used for marine applications?: Yes, plastic tubes can be used for marine applications. Plastic tubes, such as those made from PVC or polyethylene, are commonly used in various marine applications such as plumbing, irrigation, bilge pumping, and water circulation systems. These tubes are resistant to corrosion, have good durability, and can withstand harsh marine environments, making them suitable for use in boats, ships, and other marine structures.

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