HDPE PIPE ISO4427-2000

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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

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Q:What is the connection between the wires of the PVC?
Note that the PVC wire pipe construction, avoid damage to wall cracks and wall structure caused by the chisel, as the wire in the tube number changes should be laid down, a tube of not more than four, suggested lighting the way to go, air conditioning socket go one way, walk three ~ four road, once a short hair line or other problems, does not affect the normal operation of the other way.
Q:Is there a difference between a plastic pipe and a wire pipe?
Plastic pipes with wires can not replace plastic pipes. But plastic pipes can instead of plastic pipes through wires.
Q:does anyone think it's inhumane to make horses jump over hurdles, smashing into the hard plastic tubes?
My horse loves to jump and I dont like to. As soon I bring her in the arena she runs for the jumps. And the jumps have pvc pipes on them that fall right down if they only slightly touch them. Sarah
Q:Is the writing method of plastic pipes DN or De? What does that mean?
De (nominal outside diameter) *e (nominal wall thickness) is the seamless pipe representation. The plastic pipe shall be expressed as de (nominal outer diameter) *e (nominal wall thickness).
Q:Getting toothpaste out of the tube?
No, but they are in stores by the dental products.
Q:can you drink from clear plastic tubing from home depot?
It would probably be fine. You could ask the store or the manufacturer. You can also ask them what type of plastic it is and if it contains BPA. It seems like it was made for water to go in so hopefully it would not degrade over time like how cheap plastic thin water bottles you buy from the store often do, that's why it's recommended not to re-use those non-reusable water bottles to many times or else you will see it degrade and see plastic partials and will be consuming plastic and that's bad for your health. If you try to scratch the surface, if it does not scratch easily, then it's a better quality, compared to others that would degrade fast. As long as it will not degrade, it should be ok. Also if it doesn't smell like anything, it should be ok. If it smells strongly like chemicals than that's probably bad, and you don't want to be consuming those chemicals are leaching out. If at any point the plastic starts to degrades so that plastic partials are falling off, you should at least use a filter, because you don't want to consume plastic particles. You can also start out with putting a small high quality water purifier at the drinking end, just to make sure.
Q:Can the tap water plastic pipe connect with the old water pipe?
The tap water plastic pipe can be connected with the old water pipe.Plastic water pipes and iron pipes need to be connected with external thread. Buy a double headed nut (with the same thread specifications) hose short connection, the nuts are screwed in the plastic water pipe and iron pipe at both ends, you can complete the connection work. Convenient and easy to save and easy to use.
Q:Why doesn't my gerbil go through the plastic tubes?
Try and place some seeds in them so she sees that their is no danger. And put some things from the first cage into the second one so it smells like something familiar.
Q:Any good hamster cages with bars (no plastic) with tube inserts?
Please don't get a cage with bars because it would HAVE to have plastic. Make your gerbils happier with something bigger and more spacious :)
Q:How do i get a plastic bottle cap out a bottle cup sized hoover tube?????
Have you tried blowing it out. Wipe the opening on the opposite side of the tube where the cap is with some rubbing alcohol till it's clean and let dry. Then take a deep breath and blow through the tube, sealing the tube by pressing it against your face. This should dislodge the cap enough to where you should be able to shake the cap out.

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