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

Q:Can plastic tubes be used for storing liquids?: Yes, plastic tubes can be used for storing liquids.

Q:How to remove the odor of plastic pipe?: The use of vinegar is volatile, the plastic tube immersed in vinegar in heating 50-60 degrees (tube must be full of vinegar) fire making vinegar volatile 60%, 30 minutes after the odor removal.

Q:Pretty much anything safe a flexible that can be used. Needs to be about 3 or 3.5 inches in diameter. I need quite a bit of it. You know the play places at McDonalds for kids? Well, thats basically what I'm going to do only much smaller for my two ferrets. Can anyone point me in the right direction to find what I'm looking for? I'd like to find something other than PVC unless I can find about 20 feet of it that's flexible, clear, 3.5 inches diameter, and without an outragous price. Thanks so much.: Ferret Tunnels

Q:when u have laproscopic surgery do they stick a tube down your throat. if so what does it help do.?: Yes, you will undergo general anesthesia, the tube is to breath for you while you are having surgery. You will be hooked up to a ventilator.

Q:the tank is four sided and some what triangular and the top is attached to tank: Sounds like you are describing a lift tube and that can be purchased at your local fish/pet store and cut to size to fit.

Q:Are plastic tubes suitable for cosmetic packaging?: Yes, plastic tubes are suitable for cosmetic packaging. They are lightweight, durable, and easily customizable, making them an ideal choice for various cosmetic products such as creams, lotions, and gels. Plastic tubes also provide excellent protection against moisture, air, and UV rays, ensuring the longevity and quality of the cosmetics inside.

Q:a while back lets say couple of years ago i bought some sweets in a little plastic tube, they looked like little raindrops and were all different colours ... anyone who knows because its driving me insane ... cant find them... thought they werre some like limited edtion by starbust, but i think i am wrong x: I'm not entirely sure but I know they sell Hard rock ice candies' They look like little sparkly drops, or maybe raindrops. They can come in separated pieces or all attached on a stick (Like a corndog)

Q:there is a plastic tube that goes from the bathroom sink(strainer) into the wall. It seems to be clogged. How do I go about fixing this if it is leaking?: You have the most puzzling question I've seen here yet! WHAT kind of a bathroom sink(strainer) assembly do you have? -- a plastic AIR tube from the strainer(?) into the wall?!?) If you think it is plugged, what is it supposed to do? What does it seem to be doing now to make you think that it is plugged? You're worried about its leaking. If it IS leaking now, would it be leaking air? Or are you worried that this strange tube might be by-passing the trap in your sink drain and connecting straight to the sewer drain piping in the wall -- thereby possibly allowing sewer gases to leak back into your bathroom. If that is the case, you should WANT that strange tube to be removed from the drain(strainer) and PLUGGED clear to the sewer piping -- if it does go there! Man! you got me bumfoozled!

Q:I can not find what they are called or where to buy them... Seems like painting the wine glass is the easy part... But I need to know where to buy the cylinder tubing that stores sell novelty wine glasses in...: I would go to a hard wear store or home depo and have a look in their plumbing area, some crafts stores may still sell it as well.

Q:What's the function of wax in PVC plastic pipes?: PVC (full name Polyvinylchlorid), the main component of PVC, in addition to other ingredients to enhance its heat resistance, toughness, ductility and so on. The top layer of this surface film is lacquer, the main component is polyvinyl chloride, and the bottom layer is coated with adhesive

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