HDPE PIPE ISO4427-2000 DN30

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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 are the main types of plastic pipe joints?
Limit expansion joint spacing device is arranged in the basis of the original performance of telescopic joint, double locking nut in the maximum expansion capacity, in order to achieve the pipeline in the expansion amount allowed in free expansion, a quantity exceeding the maximum expansion capacity, can play a role of limiting, can effectively ensure the safe operation of pipeline the utility model is especially suitable for vibration or have a certain inclination and the connection in the corner in the pipeline.
Q:What are the little plastic tubes for in my nail/screw kit for? I know they go in the wall also, but how?
Mainer told you what they were, but I think you already figured that out yourself. First screw or nail the hanger in where you want it. If you don't hit wood, and the picture is heavy, remove the nail (screw) make the hole big enough for the anchor to be forced in. I use a phillips screwdriver ( the round pointed one) and a hammer the put the nail (screw) into the center of the anchor
Q:How can a PPC plastic pipe be broken?
First, you should turn off the tap valve, and then observe the leak point to see what is happening at the break.
Q:I have to remove some print from some plastic tubes that I purchased....?
use goo gone. You can find it at most walmarts
Q:How can I stop my hamster from using its tube as a toilet?
My science teacher taught this to me. She uses a little container (a flat dish of some sort); I used one of those hummus containers. Fill it with kitty litter (any kind), and she will go there to pee all the time. Don't know how, but it worked with my hamster. Try it! Those hamster litter and potty things never work from the store.
Q:What is the purpose of dialysis tubing in the medical world?
Dialysis removes toxins from the blood. It is generally performed on people whose kidneys have stopped working in order to stop them from being poisoned by their own waste.
Q:What is the plastic piece called at the end of the Spring inside a Shotgun tube?
may is correct also it may be a plug for 3 shoot cap.....
Q:what does the 1/4 plastic tube running from the cold water tap into the cement floor in the basement do?
My air conditioner drains condensation into a tube like that. Dont know if thats what it is, but could be a possibility.
Q:C-PAP mask and tubing........smell like plastic......?
Yes it does smell at first, but it goes away with time, especially after a few washings. I actually like the smell now when I get a new mask, maybe because I know it's new.:)
Q:How do I clean a plastic tube of diesel fuel?
Plastic tubing is pours . Yes it absorbs color of the liquid that was in it .

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