HDPE PIPE ISO4427-2000 DN125

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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:How can I make plastic pipes harden quickly?
You say this kind of plastic pipe is PVC tube, it will harden in cold weather, and it will harden for a long time. Because of the hardening of the temperature, do not worry, the temperature will rise back, will return to normal, because this is the characteristics of PVC plastic. With a long hardening, this is the aging phenomenon, due to ultraviolet radiation and oxidation caused by irreversible reactions.
Q:New battery came with a little plastic breather tube. Do I need to use it?
i would put it on and direct it down away from anything that the acid could ruin
Q:How to change the upper WATER plastic tube, inside the door, Kenmore side by side frige mod 596.57542791.?
Not quite sure which hose that you mean. In between the outer shell and the door liner? Or in the dispenser housing itself. But check these out maybe it will help you out. Good Luck
Q:PVC-U what's the plastic tube?
Features: PVC-U plastic pipe bending performance, good chemical corrosion resistance, mechanical strength, anti-aging, temperature resistance.Carrying capacity: PVC-U plastic pipe can bear the weight of the foot, not broken.PVC-U plastic pipe application field: wire bushing, decorative casing, for liquid and oil delivery, power line protection, automotive wiring harness protection, machine tools, machinery, automation, instruments and so on.
Q:How does groundwater flow into a well pipe? It was a small bore well, made of plastic tubing
The deep well is the filter pipe, and the deep well filter pipe is placed in the underground water layer where the water is to be taken. Some unsuitable water quality underground water layer will not place the filter pipe, so as to avoid using it.
Q:NG tubes, hard to take care of?
as long as you don't have to replace it, it is easy.
Q:My feeder mouse had babies in her plastic hamster tube?
let her be a momma :) i learned the hard way from a similar situation that mice do infact eat their babies if they come in contact with humans. she will most likely move them soon, but if you are still concerned, get some clean rubber disposable gloves and put them on. next rub your hands in the mouse's bedding (sort of wash your hands in it) and then gently pick up each baby and set it in another corner. if momma moves them back let them be. if you are very worried just call a vet for advice. if they ask you to bring them in for examination, don't do it, they will charge you $50 to tell you the things i just did
Q:Need some suggestions on cooling some water filled tubing?
You have not said how much heat you need to disperse - whether it needs to be a continuous process or not. You have not mentioned whether the lines are flexible or what length they are! However, without making things too complicated, if you use a longish length of plastic tubing, you could coil them and run them through a bucket full of an ice/salt/water mixture. Depending on how fast the water is moving through the tubes, if you had a strong mixture of salt and ice - with just enough water in the bucket to allow conduction - you might be able to freeze the water in the tubes - which is probably NOT what you want to do. So experiment before the performance.
Q:My dog ate two chapstick and the plastic tubes?
Take your dog to the emergency vet right now! Those plastic tubes could cause an impaction and actually kill your dog.
Q:Where can I buy thin plastic flexible tubing?
Plastic Flexible Tubing

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