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]

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:How do i get a plastic bottle cap out a bottle cup sized hoover tube???????? (some methods already tried)?
if the hose or tube is strong enough you could bend the cap inside from the outside (similar to bending a beer cap) and it should fall out.. use a coat hanger wire with a hook in the end is another alternative.
Q:How to change the upper WATER plastic tube, inside the door, Kenmore side by side frige mod 596.57542791.?
Not quite sure which hose that you mean. In between the outer shell and the door liner? Or in the dispenser housing itself. But check these out maybe it will help you out. Good Luck
Q:What's the plastic tube that came with my violin for?
That's a string tube. You can put spare strings in it. In the old days when most strings were gut core, strings were sold straight, not coiled. You bought your new strings at the store then put them in a tube in your case until they were needed.
Q:what kind of tube do they put in people's ears?
I believe the best way to protect your ear from getting water in it is to purchase moldable wax like ear plugs. It's cleaner and safer than cotton mixed with vaseline which may clog the tube and attract dirt in the ear canal. They are fine for swimming and showering.
Q:Remove brass connecter from plastic water tubing?
soak with WD-40, use red to to get under tubing prying a ice pick, if this does not work try heat to soften tube, match, lighter, torch (be easy u could do damage to tube) try pulling apart after each heating.
Q:Why aren't all plastics recycled, such as the plastic tubes that many skin care products come in?
All plastics can be recycled - as long as there is a recycling facility capable of recycling them. Plastics do degrade each time they are recycled, but they can serve many uses. We need to purchase those items that can be recycled where we live, this forces the companies making the items to use recyclable materials. Certain facilities can only recycle certain types of plastics, usually the ones they can make a profit from. For example, it is not cost effective to fill a semi with styrofoam from Michigan for processing in Florida or California, one of the few places where it is recycled. To find out how you can recycle plastics in your area and learn more about recycling go here:
Q:Plastic pipes have steam, how to handle dry?
We like PC plastic pipe is the use of air blowing dust, water vapor will suggest that you try the effect
Q:Can I use piece of that older style black plastic tubing as temp hiding place for dragon fish?
Nope. It's safe. PVC is used for tube anemones commonly.
Q:How do I install replacement plastic pickup tube on briggs carb!?
make sure it is the correct size,if so put a little oil on end of tube,you can use blunt end of lead pencil to help you get started.
Q:people singing with a tube in their mouths?
It's called a Talk Box.

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