Plastic Tubes HDPE Pipe ISO4427-2000 DN25

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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 suitable for use in food and beverage industries?: Yes, plastic tubes are suitable for use in food and beverage industries. They are commonly used for packaging, transportation, and storage of various food and beverage products. Plastic tubes are lightweight, durable, and can be manufactured to meet specific hygiene and safety standards. Additionally, they offer advantages such as resistance to corrosion, flexibility, and ease of cleaning, making them a practical choice for the industry.

Q: How do plastic tubes compare to glass tubes in terms of fragility?: Plastic tubes are generally less fragile than glass tubes.

Q: I'm looking to start a business plastic coating oilfield tools just needing a little more info of anyone out there had any good ideals or a way of doing this I'm already working on the shop remodeling it ....: Harbor Freight Tools: $70 for the gun, $5 for the coating powder, $500 for a small oven. Read up, I thought I heard where you can use a converted household oven for small parts.

Q: how do they put tubes in your ears?: tubes really help. they put you to sleep and put em in. they are actully in your ear drums i think. my bro had em done. he couldnt hear so he was speech delayed which made him behind even now hes a senior in high and is having problems from being behind. his hearing is totally perfect thought. it helped. my dad had it too.

Q: Are plastic tubes suitable for use in the chemical industry?: Plastic tubes are indeed suitable for use in the chemical industry. They offer several advantages such as resistance to corrosion, chemicals, and high temperatures. Additionally, plastic tubes are lightweight, cost-effective, and provide a smooth inner surface for efficient fluid flow. However, the specific type of plastic used should be carefully selected based on the chemical being transported and the operating conditions, to ensure compatibility and safety.

Q: One end has a handle, the other has a fitting with small plastic ball in it,it is coupled at center with threaded piece.What is it: On this description alone, I think it's a valve for a hose. It goes to a connection inside the house and sticks outside the house for the hose. These are built this way so that in winter, the actual mechanism of the ball valve can't freeze.

Q: is it dangerous for a full grown syrian hamster to live in a cage that has tubes and other plastic add-ons [will it get stuck?]: i have always loved the idea of getting tubes for my hamster but i have and will never buy them for it. it can be very dangerous if it get stuck and cant breath. i use toilet roll tubes instead. they keep them happy and its something to gnaw on.

Q: Why, in general, the strong tube is plastic tubes, weak tubes are metal tubes?: The metal tube can be grounded to shield, eliminate interference, and reduce the electromagnetic interference between the weak current

Q: What are the raw materials for plastic pipes?: Plastic pipe raw material is plastic particles, according to the pipeline production processing performance requirements, with the different requirements of finished products, there are different manufacturers grades, grades and performance differences.

Q: Can plastic tubes be used for hydroponic gardening?: Yes, plastic tubes can be used for hydroponic gardening. Plastic tubes are commonly used as a system for hydroponic gardening called nutrient film technique (NFT) or as a component of vertical hydroponic systems. These tubes provide a channel for nutrient-rich water to flow through, allowing plants to absorb the necessary nutrients for growth. Additionally, plastic tubes are lightweight, durable, and can be easily customized to fit different hydroponic setups.

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