HDPE PIPE ISO4427-2000 DN30

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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:What's the difference between waste pressure plastic pipe and PVC pipe?
PE pipe safety, flexibility and impact resistance are better than PVC, can be used as underground gas pipeline, tap water pipeline;
Q:Hot melt construction technology of PPI plastic pipe
The end face of pipe and pipe fittings must be clean, dry and oil-free;
Q:Plastic pipe joint leakage of water can be done with glue
Not recommended, you are the water inlet pipe, the water inlet pipe is confined to, even if you use the glue water well, did not leak, soon will leak, you do not know what is the tube, a live connection in Water Leakage place
Q:How are plastic toothpaste tubes made?
why can't it be injected extrusion molding of the tubing followed by a bonding process?
Q:What are the high temperature resistant plastic pipes?
UNI H 400/600 hose is a built-in spiral steel spring, asbestos free, multi-layer, high temperature resistant special fiber material made of hose, hose outer surface is thermoplastic material, sealed airtight. The design structure of the hose can meet the technical requirements of various exhaust gases, high heat gases and hot smoke.
Q:What is a socket connection?
The spigot and spigot are divided into two kinds: rigid bearing socket connection and flexible bearing inserting type. Rigid socket connection socket is inserted into the pipe with a pipe socket, para after the first caulking caulking material, and then sealed with a sealing material, make it become a strong closed whole.
Q:What is the black plastic tubing under the engine cover of a citroen picasso 1.8 called?
It sounds like some kind of breather pipe to me, probably the best thing to do is to roll into your local Citroen dealer and ask someone in parts to look at it and they should be able to get you one then.
Q:Acrylic Tubing...Is there a retail store around Dallas,TX that sells acrylic (clear plastic) tubing?
most hardware stores sell it on the rolls and can help you find the fittings depending on what your wanting to hook it up to. check at a local ace hardware good luck :0)
Q:What are the toxic hazards in plastic pipe production plants? What are the specific hazards?
After heating and extrusion molding, the smell is 100%, which is harmful to the body, especially to the liver.
Q:Jump rope in the middle of the cut of plastic pipe role
Increase rope weight. It is estimated that your rope is a cotton cord, which can easily jump dead rope. Installing this plastic tube adds a certain weight, thereby preventing the dead rope.

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