Plastic Tubes HDPE Pipe 4427-1996

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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: Please help me!!! This is for my science class and i am so confused xS: A magnet gets attracted to metal (copper) Which means in a tube it will be attracted from all the directions This attraction holds the magnet in its current position But the the gravity attracts it down, while the tube holds it And resultantly the magnet tries to obey both the attraction (it tries to stay still and move down) which makes it fall slower than its fall in plastic tube where the plastic tube offers no attraction

Q: how we can design a simple total head tube ??: Your supposition isn't splendid for a standard venturi. If the venturi is pushed (enable's say it relatively is a steam jet) then the rationalization fluid components ability that will boost the entire head on the region you point out.

Q: Is the writing method of plastic pipes DN or De? What does that mean?: The numbers followed by DN indicate the size of the pipe. The nominal diameter can be expressed in metric mm or in English in. Usually close to the inside diameter; a standard term for engineering installations.

Q: How do plastic tubes compare to PET tubes in terms of clarity and recyclability?: Plastic tubes are generally less clear and less recyclable compared to PET tubes. PET tubes, made from polyethylene terephthalate, offer superior clarity, allowing for better visibility of the product inside. Moreover, PET is a highly recyclable material and can be easily reprocessed into new products. On the other hand, plastic tubes, which can be made from various types of plastics, often have lower clarity and may not be as easily recyclable due to the different types of plastic used in their production.

Q: How to remove the odor of plastic pipe?: Plastic pipes generally can not go to think that the reason is that its raw materials are not high-grade, even if people do not smell, think it does exist, these materials and by-products will have a health impact

Q: I need to connect some flexible plastic tubing to a hard plastic nozzle both 3/8 outer diameter. It needs to be able to be attached and detached easily (like screwing it in or something), and the seal between them needs to be water tight. Anybody have any ideas? Are there any couplers that can do this easily?. I'd rather not thread the inside of the hard plastic nozzle, but if thats the only way, how do I do that?: they make a great coupler called a SHARK BITE. Go to home depot to get them. Easy on and off as you need

Q: Are plastic tubes suitable for automotive applications?: Yes, plastic tubes are suitable for automotive applications. They are lightweight, durable, and resistant to corrosion, making them ideal for various automotive systems such as fuel lines, coolant hoses, and air intake systems. Additionally, plastic tubes can be easily molded into different shapes and sizes, allowing for customization and efficient installation in vehicles.

Q: Can plastic tubes be used for display stands?: Yes, plastic tubes can be used for display stands. They are lightweight, durable, and versatile, making them suitable for various display purposes such as holding brochures, posters, or small products. Plastic tubes offer a cost-effective and easy-to-assemble solution for creating attractive displays in retail stores, exhibitions, or trade shows.

Q: Can plastic tubes be used for greenhouse construction?: Yes, plastic tubes can be used for greenhouse construction. They are often used as structural elements for supporting and framing greenhouse structures. Plastic tubes offer advantages such as being lightweight, durable, and resistant to corrosion. They can be easily shaped and assembled, making them a cost-effective option for building greenhouses. Additionally, plastic tubes can be used in combination with other materials to create a strong and efficient greenhouse structure.