HDPE PIPE ISO4427-2000 DN180

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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:Is the diameter of the plastic tube 20mm in diameter 18mm?
The diameter 20mm refers to the inner diameter of the plastic pipe. 18mm shall also refer to the inner diameter of the pipe.
Q:What is a socket connection?
The socket connection is that the pipe or pipe end is inserted into the socket of the connecting piece, and the well is sealed with the slope filling material in the annular gap.
Q:If I use a normal plastic bag instead of dialysis tubing when adding starch...?
Absolutely they'll be different. The normal plastic bad is not permeable to much of anything. I'm not sure of your experiment, but if you are using starch and Iodine, with dialysis tubing, the iodine can pass in and out, but starch cannot because the pores in the dialysis tubing are too small. With a platic bag, there are no pores, per se, and so neither the iodine nor the starch can move in and/or out.
Q:Pontoon tubes what are they called?
I always called ours pontoon tubes or floatation tubes.
Q:Production technology of recycled PE plastic pipes
PP is the English name of polypropylene plastics, recycled materials, intestines, tiger, spot, mortar, hinge, office, casual, casual, busy, polypropylene, waste plastics products, such as waste plastic woven bags, packing tape, plastic rope and so on.
Q:What is the plastic piece called at the end of the Spring inside a Shotgun tube?
its called a FOLLOWER. i cant believe the person who said spring retainer got two thumbs up lol.
Q:can u keep 6 goldfish in a plastic goldfish tank with out the air tube?
depends on the size of the tank I would say just move them to a bigger tank or put more plants in the tank.
Q:how do they put tubes in your ears?
tubes really help. they put you to sleep and put em in. they are actully in your ear drums i think. my bro had em done. he couldnt hear so he was speech delayed which made him behind even now hes a senior in high and is having problems from being behind. his hearing is totally perfect thought. it helped. my dad had it too.
Q:Plastic pipes have steam, how to handle dry?
Blow it with a blower or blower. If not, use an air compressor to blow through the compressed air.
Q:How many calories is one tube ices?
Why not have a look on the box.

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