HDPE Plastic Tubes ISO4427-2000 DN200

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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: I broke off the little plastic part on my oil dipstick in the oil dipstick tube. How can i get it out? My dips?: if you had included the yr/make/model/ AND engine in this we could get very specific on what to do. so, generically, should cover all options on this, saying this in simple terms. if the piece is stuck in the tube, the tube can be removed. no need to drain oil. get some help. follow the tube down to where it plugs into the engine. it will have a screw at the base. or just a tapper fit with other brackets/clamps holding it in place. if the stem is held in place with a screw, you or help can remove it. remove screw, remove any support brackets/clamps, and simply pull. those usually have an o-ring at their base. might need to go to parts store and get another. once in hand, you can clear the tube with what ever. straightened out coat hanger. or the like. if the stem/tube does not have a screw holding it at it's base, it's prolly a tapper fit. and if the engine is an older one, could break during removal. that config, you may want to have a shop do it. that stem/tube brakes, gonna be more to do. not serious, just gonna need some special tools to get it out and repair the tube hole.

Q: Homemade water cooling fan, plastic pipe, the effect well?: I think if it is to own a water-cooled fan DIY excellent, I have to consider some additional factors, such as the extent of damage to the strength of the plastic pipe after aging, and if damaged, the cooling liquid my material will cause what kind of damage to the machine itself, which can minimize the damage to control in the controllable range.

Q: What sensors can be used to measure changes in the water level in a transparent plastic pipe?: The patient does not need transfusion to quantitatively measure the water level, only need to point measurement, so we can use the photoelectric sensor (a transmitting tube and a receiving tube), because of the refraction of water and air rate is not the same, and the infusion tube is cylindrical, equal to a lens, so that can detect changes in water and water, to remind the nurse.

Q: How do plastic tubes perform in low-pressure applications?: Plastic tubes generally perform well in low-pressure applications. They are lightweight, flexible, and have good resistance to corrosion and chemicals. However, their performance can vary depending on the specific type of plastic used and the application requirements. It is important to consider factors such as temperature, pressure, and compatibility with the fluid being transported when selecting plastic tubes for low-pressure applications.

Q: Can pur plastic pipes be used as drinking water pipes?: Pur plastic pipes can not be used as drinking water pipes. 1 low strength, 2 easily decomposed. 3 does not guarantee hygiene

Q: Plastic pipe extrusion swelling: Plastic extrusion, that is, plastic extrusion, is one of the important methods of plastic forming

Q: I'm going to The Tubes concert this Saturday in Niagara Falls NY..I'm really looking forward to seeing them, especially Fee Waybill. Your thoughts/memories/opinions.Members- Fee WaybillRoger SteenDavid MeddRick AndersonPrairie Prince Former members- Bill Sputnik SpoonerGary CambraRe StylesMichele Rundgren (nee Gray)Mingo LewisVince WelnickMichael CottenDavid Killingsworth: I went to a Tubes show a year ago in Elgin, IL. We stayed at the same hotel as the band and had drinks in the bar with them after the show. I talked with Roger Steen for about an hour and a half. He plays a Les Paul Custom, Warren Haynes Edition guitar. These are all really nice guys with a real love for music and it shows in there concerts. Have fun.

Q: Me and my brother were bored one day and we decided to go to camping (on private property not owned by us). So of course the cops were called and they had to come and tell us to leave. So the cop walked with us back and when we got there it was a K9 unit. I had a test tube full of marijuana on me. The window was rolled down where the dog was at and I was about 10 feet away from it. It didn't bark, it didn't do anything. Do you think it could have smelled it through the plastic test tube I was carrying?: Yes, they can smell it through almost anything. Usually they smell the trace amount on the outside of the tube.

Q: Its a longish (2-4 ft) hallow tube that is plastic. Its sturdy, but breakable. A sort of light light brown/yellow colored.: Hope this Helps

Q: Will they disintegrate or damage over time? Or are they safe like that for a while?: If you must store them for a long time get a tube that is acid free and that will hold out moisture. A plastic type tube. If you keep it dry and at normal room temperature, storing it in a tube is fine long term. Maybe even years. Do not roll tightly.

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