HDPE PIPE ISO4427-2000 DN90

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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:UPVC drain plastic pipes, can you use hot water?
Hot water is best to use PP plastic pipes, UPVC can only withstand the highest temperature of 55 degrees, but not long at this temperature, or it will accelerate the aging of the tube, bending, and even cracking.
Q:Plastic Tube in my Lawn?
Possible septic related. You didn't mention front or back of the house.
Q:pressure drop through plastic tubing?
I suppose that tubing will be used horizontal at all times during the course of operation with out any fittings. If yes then get pressure at the outlet end by Q (Flow)= Pressure x Area (inner) Find pressure drop from any sourse ( e.g. Ask manufacturer for pressure drop per 1000 foot) Add pressure drop of entire lenght to pressure from formula. Have 20% safety factor added. In case of any fittings used add pressure drop of fittings (from Mfg.) to pressure drop of tubing, if height changes; for every 2.31 feet have a loss of 1 PSI added to original loss of tubing before adding safety factor. Hope it help
Q:Plastic pipe leakage can use plugging Ling?
With polyurethane waterproof powder (usually used in toilet waterproof), after water transfer brush in the water leakage. 4, with weather glue hit in the water leakage.
Q:i was blowing in this like enclosed plastic tube and all of a sudden i hear a crackle sound between my ear and?
that is reverse air pressure in your ear from the air going up the Eustachian tube and hitting the eardrum
Q:My hamster is chewing on his plastic tube! Will something happen to him?
SERIOUSLY STOP BEING PARANOID!
Q:I know there are two kinds of plastic pipes: thermoplastic pipe and thermosetting plastic pipe. PPR what kind of plastic pipes do you have?
PPR is not good because it is not poisonous, but because the PPR tube is easy to breed bacteria, just like the iron pipes of the past. That's the situation.So the water needs to boil to get into the belly, or the water filter is installed.
Q:A section of plastic pipe is arranged at the outlet of the tap water pipe, and a plurality of small holes are arranged around the plastic pipe. Can water flow out of the small hole?
Relating to site conditions. Relating to the velocity and pressure of water in the pipe. When conditions are appropriate, a venturi effect is produced under the condition that the flow rate is large and the outlet is unobstructed, and the water will not flow out of the small hole.
Q:How do you get a gerbil to climb the plastic tubes in a cage?
the gerbil will most likely climb up the tubes when he is ready. don't worry about him nor being able to get to the food and water, if you put him up there once he will no it is up there, so, when he gets hungry he'll find his way up there, its their instinct. and they probably already know how to use the Water bottle, it is the easy est way to get them to drink, and so the place you got them from probably used them too. don't worry, your pets will be fine, its normal for pats to be timid when they first get into a new home, but they will get used to it. p.s. i speak from experience, so i know what im talking about, im not one of those guys who gets all their info. off the internet.
Q:Intubation due to respiratory infection?
When someone needs to be intubated, they place narrow plastic tube down into their throat, just above the patients lungs. This can be done in respiratory distress. How long the tube stays in place all depends on how sick the patient is. That can be days to weeks. The patient is usually sleeping to help them breath more easily with the ventilator, but if someone is able to remain comftorble, they may allow them to be more awake.

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