HDPE PIPE ISO4427-2000 DN355

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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: How are plastic tubes disposed of?: Plastic tubes are typically disposed of by being recycled or thrown in the trash. Some recycling facilities accept plastic tubes for recycling, while others may require them to be separated from other types of plastic packaging. It is important to check with local recycling guidelines to ensure proper disposal. If recycling is not an option, plastic tubes can be thrown in the trash, but it is always recommended to minimize waste and recycle whenever possible.

Q: What are the ways to remove the taste in plastic pipes?: Method for removing peculiar smell of plastic pipe by using orange peel. Wash it with detergent first. Then put the fresh orange peel in it and cover it for about 3 to 4 hoursRinse well.

Q: Can plastic tubes be used for bottling beverages?: Yes, plastic tubes can be used for bottling beverages.

Q: Can plastic tubes be used for electrical wiring protection?: Yes, plastic tubes can be used for electrical wiring protection. They provide insulation and help prevent damage to the wires from moisture, chemicals, and physical impact.

Q: How can I make plastic pipes harden quickly?: You say this kind of plastic pipe is PVC tube, it will harden in cold weather, and it will harden for a long time. Because of the hardening of the temperature, do not worry, the temperature will rise back, will return to normal, because this is the characteristics of PVC plastic. With a long hardening, this is the aging phenomenon, due to ultraviolet radiation and oxidation caused by irreversible reactions.

Q: How much should it cost to replace the Mass Airflow tube on a 2000 Mazda Protege? The tube is ripped, so it's messing with the MAF sensor. The mechanic quoted me $50 for the part (not including labor), and I just want to make sure they're not over-charging me. I mean, it is just a plastic tube...: the position do you stay? i'm getting my aspects from certi in good structure or nicely in good structure .... search for aftermarket body aspects or merely bypass to a salvage backyard.... round a $one hundred ok because you stay at Wichita, KS i'm effective you does not favor to force to Kansas city because it is the nearest area for Certifit vehicle aspects yet you'll get one on OKorder for $one hundred and free delivery, it is best for you except you are able to contact some salvage yards on your section and likely hit upon a used one which suits your colour. if you're uncertain in case you are able to or can't replace this bumper via your self and also you do not favor to spend a ton of $$ then submit an upload on craigslist lower than gigs/exertions and grant someone like a $one hundred to go back and replace it and that i'm effective someone will do it because it takes about 0.5-hour in case you recognize what you're doing. sturdy success.

Q: Can plastic tubes be used for storing cleaning agents or detergents?: Yes, plastic tubes can be used for storing cleaning agents or detergents. Plastic tubes are commonly used for packaging various products, including cleaning agents and detergents, due to their durability, flexibility, and resistance to chemical substances. They provide a safe and convenient container for storing and dispensing these products while ensuring their quality and preventing leakage.

Q: Are plastic tubes suitable for display stands?: Yes, plastic tubes can be suitable for display stands. They are lightweight, durable, and versatile, making them ideal for various types of displays such as signage, banners, or product displays. Plastic tubes can be easily customized to different sizes, shapes, and colors, offering a wide range of design possibilities for display stands. Additionally, plastic tubes are often cost-effective and easy to assemble, making them a popular choice for both temporary and permanent display solutions.

Q: Are plastic tubes suitable for hydrostatic pressure testing?: Yes, plastic tubes can be suitable for hydrostatic pressure testing. Plastic materials such as PVC, polyethylene, and polypropylene are commonly used for this purpose due to their strength and ability to withstand high pressure. However, the suitability of plastic tubes depends on various factors like the specific type of plastic, thickness, and intended pressure levels. It is important to consider the properties and limitations of the plastic material before conducting hydrostatic pressure testing.

Q: Can PVC pipes be used with drinking water?: PVC is for heat sensitive plastics, PVC, when processing products must be added to the forming of heat stabilizer.At present, the main types of heat stabilizers are lead salt stabilizer, organotin stabilizer and calcium zinc composite stabilizer.As the lead salt stabilizer has great advantages in stability and cost, it has always been the first choice of heat stabilizer for PVC products,

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