HDPE PIPE ISO4427-2000 DN50

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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:The inner and outer walls are plastic, and the middle layer is steel
The utility model has the advantages of light weight and convenient installation, and the pipe connection adopts an electric heating welding joint, which has the advantages of strong axial tensile resistance, reliable and reliable connection technology, complete variety of pipe fittings and complete connection with other pipelines, valves and equipment
Q:How much would a tube of acrylic paint cost from a dollar store?
Well, if you can find them at the dollar store, I will go out on a limb and suggest that they might cost....a dollar.
Q:regarding wine storage- anyone know where i can get plastic tubes to store wine?
Any beer and wine making shop will have EXACTLY what you need
Q:Where can I buy plastic tubing to built a roller coaster?
That doesn't seem to be a suitable material, but they have it at hardware and plastic stores.
Q:how do they put tubes in your ears?
tubes really help. they put you to sleep and put em in. they are actully in your ear drums i think. my bro had em done. he couldnt hear so he was speech delayed which made him behind even now hes a senior in high and is having problems from being behind. his hearing is totally perfect thought. it helped. my dad had it too.
Q:Science Project Help--Bending Plastic Tube to Form.?
Classic Plastic
Q:What's that tube thing called that David Cook hooked up 2 his mike and played in his performance once?
It is called a talk box, the company heil makes the original one that peter frampton used in the 70's, it is a pain to hook up. there is a fairly newer one on the market called a banshee talk box, basically there is a speaker in the box on the floor it puts out your guitar up thru the plastic tube, when you put your mouth on it. you can manipulate the sound and it is picked up by the microphone.
Q:what is this toy called?? you get a tube of this gum stuff and a straw to blow plastic bubbles!?
I okorder.com/
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:Can mercury be stored in a hard plastic test tube?
If it can b stored in a thermometer, it can be stored in a test tube. You should seal it though

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