Plastic Tubes HDPE Pipe ISO4427-2000 DN90

Plastic Tubes HDPE Pipe ISO4427-2000 DN90

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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: Do plastic tubes have any insulation properties?: No, plastic tubes do not have insulation properties. They are generally used for conveyance purposes and do not provide any significant thermal insulation.

Q: Are plastic tubes resistant to radiation?: Yes, plastic tubes can be resistant to radiation depending on the type of plastic used. Some plastics, such as polytetrafluoroethylene (PTFE) and polypropylene (PP), have excellent resistance to radiation and are commonly used in applications where radiation resistance is required. However, it is important to note that the resistance level may vary depending on the specific type and composition of plastic used.

Q: What are the requirements for quality inspection of plastic pipes?: Very pleased to see the pro question, purple meteor dating team actively answer for you, I hope to help you, I wish you a happy life, useful, hope to adoptMaterial, hardness, corrosion resistance

Q: Are plastic tubes flexible?: Yes, plastic tubes are generally flexible, allowing them to bend or be manipulated easily.

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: Are plastic tubes suitable for structural applications?: No, plastic tubes are generally not suitable for structural applications as they lack the strength and durability required to support heavy loads or withstand significant forces.

Q: I got a new syrian hamster two and a half days ago, he has a big wire two storey cage with plastic tubes connecting the upstairs and downstrairs, he's spent mostly all of his time in the tube, taking all the bedding from his little house and his food in it and pooing a lot, I mean the tube is full of poo mixed with food and bedding. (I know this is normal) he's still really shy, he spooks easily, and he's not even been on his wheel yet but he's slowly coming around to me when I hand feed him, I haven't touched him yet though, just leaving him to it for a few days. Should I clean his tubes or is it too early? I don't want to stress him out but I read you are supposed to clean his cage every week and spot clean and clean his toilet area every day and his tubes are his toilet area and I'm seriously not joking when I say he poos a lot.: I think that you should probably clean it out. Do it at night when he is not in the tubes so you do not disturb him. My hamster sleeps in an attachment that goes on the tubes and she does the same thing with the food, pooping, and peeing in there. She loves when I clean it out for her, I do it about every 2-3 days. If I do not clean it out and wait an extra day if I am busy or something she takes all of the bedding out of it and moves it to the regular cage area herself. So yes I do think that you should clean it, he will probably appreciate it!

Q: At night my hamster wakes up and plays and stuff, well he has these plastic tubes that he can climb up to get to different areas of his cage, he likes to chew on them. My only problem is that it is REALLY loud and I hate the scraping sound it makes. I don't want to take out the tubes because then he would have nothing to play in. And I don't have the money to get him a new cage/glass aquarium and I really would like him to stay with the cage he has now, it's an all plastic cage except the metal bars to keep him in,lol, the brand is Super Pet Critter Trail if you want to loo it up to see what I'm talking about. Me and my mom have tried rubbing lemon juice on it but he liked the taste -.- please help?: I've had hamsters escape from cages with tubes after they have chewed holes. I'd recommend getting an all wire cage or glass terrarium asap.

Q: How to distinguish between hard plastic pipes and flame retardant plastic pipes?: You can use this simple method to make a difference. Lighter with these two kinds of plastic, if it is flame retardant plastic will probably go out, no flame retardant will continue to go down, you can try.

Q: Suppose I take a plastic tube and some insulated wire and wrap the wire very tightly around the plastic pipe so that the pipe is covered with several layers of wire wrap. The wire is always wrapped around the pipe in the same direction. Then we connect the two ends of the wire together. If I then drop a strong magnet down this pipe arrangement, will the magnet fall slowly, or not?: It depends on a number of factors. The winding direction, the polarity, and how you drop the magnet. The only real way to know is to experiment.

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