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: Are plastic tubes water-resistant?: Yes, plastic tubes are generally water-resistant.

Q: How are plastic tubes stored and transported?: Plastic tubes are typically stored and transported in a variety of ways depending on their size, shape, and material. They are commonly stored in cardboard boxes, plastic bags, or on specialized racks or shelves to prevent damage and ensure easy access. For transportation, they are often packed into larger containers, such as crates or pallets, and secured with straps or shrink wrap to prevent shifting or breakage during transit. Additionally, tubes that are particularly fragile or sensitive may be individually packed or cushioned to provide extra protection.

Q: About plastic drain pipe expansion joint: The setting of the expansion joint of the plastic drain pipe is generally determined according to the requirements of the design document or the type of pipe, the mode of joint and the position of the environment.

Q: PP-R what's the plastic tube?: PP-R plastic pipes are made of random polypropylene plastic pipes, generally used for water supply pipes. Hot melt welding.

Q: My house is two floors, though I think it was originally a one-story cape cod, and the upstairs was a single semi-second floor/attic. Anyways, the attic is now higher up, but the walls still slope on the sides. The air/heating unit is in the crawl space, duct work runs directly to vents/returns on the first floor, but for the second floor there are these two really large plastic(?) pipes that run up to the second floor from which I believe the ductwork is distributed. What are these called?: Vertical duct work. In general, if forced air, heated, cooled or even unconditioned, goes through it it is called duct work, unless it is an accessory / fitting such as a grille, diffuser, register etc. It's called duct work or vertical duct work if you would like.

Q: Can plastic tubes withstand high temperatures?: Yes, plastic tubes can withstand high temperatures depending on the type of plastic used. Certain plastics like PTFE (Teflon) or polyimide can withstand extreme temperatures, while others may have lower heat resistance. It is important to consider the specific plastic material and its intended use when determining if it can withstand high temperatures.

Q: Is the PPR plastic pipe really poisonous? Is the news true?: PPR plastic pipes are unsuitable for household water pipes, which are the secrets of the pipeline industry. The reason is that PPR raw materials are cheap, easy to install and profitable. In foreign countries, PPR plastic pipes are only used for industrial water transportation or general purpose water transportation. They are never used in families. What is more the foreign common PPR plastic pipe to sell high priced China family, as the name of import earn dirty money.

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?: the only time a k9 dog would notice the grass is if it was trained to. Not all K9 dogs are drug dogs. Myth busters has an interesting episode on how hard it is to sneak drugs past a drug dog. See if you can find that episode and watch it. They did all kinds of things to fake out the dogs and nothing worked...

Q: Can plastic tubes be used for display purposes?: Yes, plastic tubes can be used for display purposes. They are often used to showcase and present various items such as posters, banners, flyers, or any other lightweight materials that need to be displayed in an upright and visible manner. The transparency of plastic tubes allows for easy visibility and protection of the displayed items, making them an ideal choice for display purposes.

Q: What are the different closure options for snap-on tubes?: Some of the different closure options for snap-on tubes include screw caps, flip-top caps, push-pull caps, snap caps, and twist-off caps. These closures provide easy access to the contents of the tube while ensuring a secure and tight seal to prevent leakage.

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