HDPE Pipe ISO4427-2000 DN73 Plastic Tubes

HDPE Pipe ISO4427-2000 DN73 Plastic Tubes

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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: Are plastic tubes microwave-safe?: No, plastic tubes are generally not considered microwave-safe as they can melt or release harmful chemicals when exposed to high temperatures in a microwave.

Q: it has one hose connected to one end and two hoses on the other end. think it might have something to do with heater core or something.: the single end is attached to the lower radiator hose the double end one hose goes to the lower part of the intake and the other goes to the heater core this is just a transfer tube across the front of the vehicle

Q: What are the different types of caps used for plastic tubes?: The different types of caps used for plastic tubes include screw caps, flip-top caps, snap-on caps, and push-pull caps.

Q: What is the hard plastic material?: PPS, the Chinese name is pps. The utility model has the advantages of hard and crisp, high crystallinity, burning resistance, good thermal stability, high mechanical strength, good electrical performance, etc..

Q: What are the common diameters of plastic tubes?: The common diameters of plastic tubes can vary, but some standard sizes include 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, and 1 inch.

Q: 2-3/4long by 1 diameter, with rounded resealable water tight plugs. Shaped like a test tube.: please go to the near your shopping mall and you find out plastic all kind of tubes.

Q: Are plastic tubes resistant to static electricity?: Plastic tubes are generally not resistant to static electricity, as they are insulators that do not conduct electricity.

Q: If I have a 2lb spool of 1.75mm ABS filament, how many 5.25 inch x 2.25 inch (both dimensions are diameters) hollow cylinders with 3 mm thick walls could i print with one spool?: Siempre muy contenta con las cosas que los he comprado de OKorder así que cuando me decidí comprar una impresora profesional para sacar las fotos de mi hija estaba segura que voy a encontrar lo que busco en OKorder, y así ha sido, la impresora cumple todas mis expectativas y mas, la calidad de los fotos es estupenda y además lo puedo conectarla directamente a mi Smartphone, una excelente compra.

Q: Long story short, I cut my thumb open with a knife and a trainer had to care for it. She had a small plastic tube that she cracked and squeezed on my thumb to stop the bleeding. It was a very thick brown (iodine colored) substance that stung but was VERY effective in stopping the bleeding immediately. Does anybody know what this tube or substance could be? I asked her and she didn't know what the brand was or what it was called. This is driving me crazy, so any and all help would be appreciated.: It is probably similar to a Cederroth blood stopper dressing. It contains crystals that form a gel when in contact with blood, thus producing a gel plug.

Q: How are plastic tubes used in the packaging industry?: Plastic tubes are commonly used in the packaging industry for various purposes such as storing and dispensing products like lotions, creams, cosmetics, adhesives, and even food items. These tubes provide a convenient and hygienic way to package and distribute these products, allowing for easy application and controlled dispensing. The flexibility and durability of plastic tubes make them ideal for preserving product quality and ensuring efficient use. Additionally, they are often designed with various closures, caps, and applicators to enhance functionality and user experience.

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