HDPE PIPE 80

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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:Non-Conductive Non-Melting Tube?
the only material i can think of that fits the bill would be a ceramic tube.
Q:Where can i get plastic tubing for Drinking hats?
You don't want plastic, you keep replacing them and it's polluting, so buy STAINLESS STEEL. That's what my wish for Christmas. Plus they bend they make holes.
Q:Vinyl/Plastic tubing idea's?
A really long CRAZY STRAW! LOL
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:Who Out There Remembers The Tubes Rock Band?
I saw them live in '85 with Todd Rundgren as guest for their Love Bomb (produced by Todd Rundgren) tour. Awesome show! I have their entire collection on both vinyl and CD. Also check out Fee Waybill's solo albums of Read My Lips and Don't Be Scared By These Hands
Q:What does "DN" and "Dn" mean in plastic pipes? And de?
DN means nominal diameter or nominal diameter. Is the general caliber of various tube and pipe accessories, with a nominal diameter of the tube and pipe accessories can connect with each other, with interchangeability. It is not a real sense of the pipe diameter or diameter, although its value is closer with the pipe diameter or equivalent;De refers to the outer diameter,DN and Dn mean the same thing. Like De and de
Q:Can pur plastic pipes be used as drinking water pipes?
Polyurethane (PUR) is a kind of polymer with urethane repeating structure unit, which is made by reacting isocyanate with polyhydric alcohol.
Q:Where can I get poly tubing plastic bags ?
what category is this tool belongs to?
Q:Why, in general, the strong tube is plastic tubes, weak tubes are metal tubes?
The metal tube can be grounded to shield, eliminate interference, and reduce the electromagnetic interference between the weak current
Q:Didn't the U.S. about in the 70's discover that lead couldn't be used in toothpaste tubes because of leaching?
That sounds about right. I do remember those tubes that rolled up easily and were made of a bendable metal. In those days, I was pretty bad about brushing my teeth so it's probable that I wasn't affected that much by whatever lead content there was. I did get a lot of cavities, though.

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