HDPE PIPE ISO4427-2000 DN63

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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:My dad on an oxygen machine 24/7, his cat is biting through the plastic tubing at all hours.?
If you cant get rid of the cat just ask your dad to lock it up in a cage or crate when he goes to sleep. Or if the cat does it other times when hes not asleep spray the cat with a water-vinegar solution until it learns.
Q:What are the types of plastic pipes?
Polyethylene is one of the most popular plastic resins. Because of its structural characteristics, polyethylene is often unable to withstand higher temperatures, and its mechanical strength is insufficient, which limits its application in many fields. In order to improve the performance of polyethylene, many modification methods of the crosslinking of polyethylene, polyethylene molecular three-dimensional structure by covalent bonds between the formation of a network, quickly improve performance, such as polyethylene resin shaped heat denaturation, wear resistance, chemical resistance, resistance to stress cracking and a series of physical chemical properties.XLPE with its superior performance can be hot and cold water pipes, widely used in construction engineering and municipal engineering in drinking water pipeline; pipe or conventional heating system pipe floor heating system; petroleum and chemical industry pipeline conveying fluid; food industry; refrigeration system pipeline; water system of buried pipeline; gas pipeline.
Q:What's the meaning of the laying of brick and concrete structures with concealed pipes?
Line pipe laying:The wires are laid in bricks or concrete. There are two ways:Insert the wire tube and the bottom box before pouring;After the end of the masonry, slotted into the wire pipe and the bottom box, and then fill the groove.
Q:Can you recycle the plastic tubes that are used when you are on oxygen?
I had a lot of trouble with my lungs for a number of years after I contracted chicken pox (went into my lungs). I ended up with quiet a bit of tubing. I had fishtanks, and that tubing is perfect for conecting different air hoses in fishtanks. Same stuff you purchase at the pets stores, and pay quiet a bit for. If you don't have fishtanks yourself, you can offer it to someone who does. It can be re-used on fish tanks quiet safely for the fish. You can offer it for free on Craigslist or Freecycle to someone with fishtanks, if you don't know someone personally. ~Garnet Permaculture homesteading/farming over 20 years
Q:What is the hard plastic material?
PPS is one of the best heat resistant varieties in engineering plastics. The thermal deformation temperature is generally greater than 260 degrees. The chemical resistance is only inferior to that of polytetrafluoroethylene, and the fluidity is only inferior to that of nylon. In addition, the utility model has the advantages of small shrinkage rate (about 0.08%), low water absorption rate (about 0.02%), good fire resistance, shock resistance, good fatigue, etc..
Q:Where to buy hard clear plastic/pvc/acriclic Tubes?
Try Petco or PetsMart... Any aquarium store should have what you looking for.... Party on........
Q:Are buried plastic pipes covered with sand?
Soft soil foundation treatment according to the design requirements. It should be a homogeneous bedding cushion. The drain pipe seems to be more strict, made 400 double bellows, is the following 100 beans stone coarse sand cushion, pipe top 500 fill sand. This procedure requires that 150 thick sand cushions be made when the channel is in debris and the rock is at the base.
Q:Oil tubes left in the sun? good/bad/okay?
I shouldn't affect it, unless it was really really boiling hot then i don't know if it would be very good. (40 degrees+) Other than that it should be fine!
Q:Have brittle and leaking ice maker plastic tubing in GE refrigerator - Model TPX24BPDABB?
You can replace the line with copper. If the connection point is metal you'll want to use a brass compression nut (brass) with a (brass) compression sleeve (know as a ferrules) if the connection point is plastic you'll want to use a nylon compression fitting. The metal ferrules one wont work as you would need to crank the you know what out out it to make it seal, and run the risk of stripping the plastic threads. The nylon takes less torque to seal if that makes sense as its a more dense material. You should be able to get all the parts from a local hardware store or big box store such as lowes or homedepot.
Q:Home decoration, the wire is a set of PVC tube or galvanized steel pipe? Why?
Now the home circuit is buried way, the wire itself is not enough to protect the protection of the inner core, the general practice is to put the wire in the wire, tube, etc. into the slot. Therefore, the circuit modification needs to be prepared by threading pipes and other supporting materials that need to be used in the installation.

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