HDPE PIPE ISO4427-2000 DN140

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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]


SDR33 SDR26 SDR17.6 SDR13.6 SDR11
公称压力 PN,Mpa
0.32 0.4 0.6 0.8 1.0
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:Production technology of recycled PE plastic pipes
PE is a polyethylene plastic English code, recycled materials can be produced by waste polyethylene plastics, such as polyethylene films, plastic film, waste pipe, milk bottles, plastic pots etc..
Q:How is 20 silver dollars inserted into plastic tube?
Home All Categories Computers Internet Internet YouTube ??
Q:Is the diameter of the plastic tube 20mm in diameter 18mm?
20mm diameter plastic pipes, aperture, 18mm market there are manyFirst of all, look at what material is plastic tubeIf it is PC plastic pipe outer diameter of 20 mm, diameter 18 mm, 1 mm is so kind, this kind of plastic pipe will generally have a spot, also can achieve the customized specifications, can also die if not die
Q:What is the name of the plastic tube that otter pop popsicles come in.?
Flavor Ice.
Q:Ear Tubes?!?!?!?!?
I never had tubes, but my son did. They are tiny plastic tubes that your ears will push out over time as they grow. You will not feel them at all, and if you want to swim, you just have to put some swimmer's ear plugs in, which you can buy at the drug store to seal your ears shut. My son used that and he swam all the time with no problems. You'll be fine!
Q:Can you eat coloured icy poles in the plastic tubes with braces??
Sure you can, just make sue you dont try to break off ice if its too hard, it might pop a bracket off.
Q:question about leaking tube connected to a faucet? pic inside!?
Time to start over. The only place that you should sue plumber's putty is where the drain goes into the sink. On any connection that you have water running through, that will have pressure, you will need to use what is known as pipe dope. the spot that is leaking should only leak if the seal is broken. In which case, just go buy another one. If you bought the pipe dope, and new lines for both sides, you will spend less than $20. The supply line that you have in the pic seems to be relatively new, but it is possible that the seal can be damaged.
Q:Which control method would NOT be suitable for killing mycobacteria in a capped culture tube?
If it were a Glass tube the answer would be A. UV Light does not go through glass well and would not kill much. If it is a plastic tube, D.
Q:I am looking for a unique hamster tunnel tube?
Petco petsmart try OKorder OKorder for better prices but most definately petco n.petsmart will hav wat ur looking for!!!!!
Q:plastic water bottle with ice tube where to buy?
You can keep water cold without having to use the frozen tube. Just buy a double wall insulated bottle and that should do the trick. If you want an extra layer of insulation, you can always add on an insulation sleeve too.

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