Plastic Tubes HDPE Pipe 100

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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: it comes this plastic tube (it isn't in the pic) but i have no idea where it goes or what is it for?: Does the tube you're referring to have a little hole in it? If so it's for hooking up an airline to help oxygenate the water.

Q: 2001 mustang: All intake tubes are just simple tubes. They perform all the same. I have cheapy intakes on my Civic and they work great. The reason short (cold) air intakes work is NOT because they are engineered well. NO! It is because the original air box were so restrictive - due to noise restrictions. Just make sure you DON'T get metal tube intakes. The get heat soaked and significally warm up the air. The intakes make of PVC (or plastic) gets warm but will not release its heat to the air as much. === If you really want performance gain, you should also do the header pipes (if the mustand did not come with factory pipes). Long time ago, people most did exhaust header pipes only. Besides the intake is artificially RESTRICTED by the butterfly at the throttle. So the intake only makes a difference on WIDE OPEN THROTTLE acceleration. Good Luck... P.S. Just make sure you get intake pipes DESIGNED for your car. Otherwise they would expect you to some customizing like cutting and drilling, etc.

Q: I have seen one in a music video but i dont know what it called it makes the the voice sound electronic i think???: it okorder /

Q: Just curious, when there is only a bit of toothpaste left, I have to squeeze little by little from bottom up. But then after using it, I'll have to do the same thing next time around. Obviously the toothpaste has to settle down the tube. Why and how does it do that?: The plastic material has internal stresses that retain the shape it was cast in originally. Since it is attached to a round head it tends to form a sort of flattened cone. The toothpaste moves back up the tube to fill the available space as it is a type of really thick fluid. The shape may also lead to the toothpaste moving upwards due to capillary action (similar to how water moves up a very thin straw) To combat this effect, you can buy a little squeezy thing that rolls over the tube to prevent the toothpaste from moving backwards, or you can fold/bend it over as you use it like many people do. I store mine upright on the cap so the toothpaste settles at the end I squeeze it out of. The tube also uses less counter space when you store it upright as compared to laid over on its side.

Q: How long do plastic tubes typically last?: The lifespan of plastic tubes can vary depending on factors like material quality, usage, and maintenance. However, in general, plastic tubes are designed to be durable and can last for several years to decades.

Q: I've heard that women kind of envy fact that men can pee standing up BUT couldn't you women just achieve the same using a plastic small tube? Then, why not do it?: There okorder /

Q: What are plastic tubes?: Plastic tubes are cylindrical hollow structures made from various types of plastic materials, typically used for packaging, transportation, and storage purposes. They come in different sizes, lengths, and diameters, and can be rigid or flexible depending on the intended application. Plastic tubes are commonly used in industries such as pharmaceuticals, cosmetics, food processing, and construction.

Q: What is the best adhesive to keep the paper on a plastic tube (Its an MM mini tube and standard scrapbook paper). I tried glue dots and it worked for 2 hrs then came off on its own. Id prefer to stay away from super glue since it could easily glue to my hands.: Can you wrap the paper around the tube and just glue the paper to itself, or tape the paper to itself?

Q: What are the different types of closures available for plastic tubes?: There are several types of closures available for plastic tubes, including screw caps, flip-top caps, snap-on caps, nozzle caps, pump dispensers, and squeeze caps. Each closure type offers different functionalities and is suitable for various applications.

Q: How do plastic tubes compare to PVC pipes?: Plastic tubes and PVC pipes are actually quite similar as PVC (polyvinyl chloride) is a type of plastic. However, when people refer to plastic tubes, they usually mean a broader category that includes various types of plastic materials, such as polyethylene or polypropylene, while PVC pipes specifically refer to those made from PVC. In terms of their characteristics, PVC pipes are generally more rigid, durable, and resistant to chemicals, making them suitable for plumbing and construction applications. Plastic tubes, on the other hand, offer more flexibility and are often used for lighter-duty tasks like irrigation or drainage systems. Ultimately, the choice between plastic tubes and PVC pipes depends on the specific requirements of the project at hand.

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