Plastic Tubes HDPE Pipe ISO4427-2000

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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: Why is the air conditioner not replaced by plastic pipes instead of copper pipes?: The measured current: air conditioning refrigeration or operation is set to become the state high speed sealing heating under low pressure valve, in the process of opening, while observing the changes of the current side fluoride close fluoride bottle valve after the rated working current of air conditioning nameplate.

Q: What is the difference between rigid and rigid and semi rigid in electric PVC plastic pipes?: PVC plastic pipes can be divided into soft PVC and hard PVC. Among them, hard PVC accounted for about 2/3 of the market, soft PVC accounted for 1/3. Soft PVC is generally used on the floor, ceiling and leather surface, but because soft PVC contains softener (which is also the difference between soft PVC and hard PVC), it is easy to brittle and difficult to preserve, so its range of application is limited.

Q: Homemade water cooling fan, plastic pipe, the effect well?: I don't have much objection to using plastic tubes, but I think you should pay attention to the leak proof aspects of the coolant and risk control, and combine these factors, I believe you made the water cooling

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: Is there an easy way to remember the color tubes (phlebotomy) and what test they are needed for?: Phlebotomy Color Tubes

Q: Do plastic tubes have any limitations in terms of gas permeability?: Yes, plastic tubes have limitations in terms of gas permeability. While some plastics have low gas permeability, allowing them to be used for gas storage or transport, others may have higher permeability rates and may not be suitable for certain applications where gas containment or control is crucial. The specific type of plastic and its structure will determine its gas permeability properties.

Q: What's the name of that plastic tube used to fold stars?: There are several names, namely:1 star plastic tube paper;2 、 color star tube;3, lucky star broken tube.Fold a star with a plastic tube

Q: the tubes are bout 1cm ID with only about a 1mm thickness. I don't think threading them will be possible, and the seal between that has to be water tight.: you can get the coupler and glue from the shop where you bought the pipe. simply clean the edges of the pipe and apply some glue around the pipe and push it into the coupler

Q: What are the advantages of using plastic tubes in the cosmetic packaging industry?: Plastic tubes offer several advantages in the cosmetic packaging industry. Firstly, they are lightweight, making them easy to handle and transport. Secondly, plastic tubes are highly customizable, allowing for various shapes, sizes, and colors to cater to different product needs. Additionally, plastic is a durable material that provides excellent protection for the cosmetic products, preventing leakage or contamination. Plastic tubes are also cost-effective compared to other packaging materials, making them a popular choice for both small and large cosmetic companies. Lastly, plastic tubes are highly versatile, enabling innovative designs and functionalities like easy dispensing mechanisms, which enhance user convenience.

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.

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