HDPE Pipe ISO4427-2000 DN73 Plastic Tubes

HDPE Pipe ISO4427-2000 DN73 Plastic Tubes

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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 plastic tubes against UV radiation?: The question is a bit out of the questionNot all plastic tubes are protected against UV radiationIn the process of processing plastic pipes, if you join the "anti UV absorber" such as UV-531, then you will have this function

Q:Can plastic tubes be used for liquid dispensing in beauty products?: Yes, plastic tubes can be used for liquid dispensing in beauty products. They are commonly used in the cosmetic industry for packaging various liquids such as lotions, creams, serums, and gels. Plastic tubes offer convenience, ease of use, and are often preferred for their flexibility and cost-effectiveness.

Q:What are the different types of caps used for plastic tubes?: The different types of caps used for plastic tubes include screw caps, flip-top caps, snap-on caps, pump caps, and squeeze caps.

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 are the plastic pipes that can be welded?: 1, general welding of plastic pipe is PPR pipe, PE pipe.2, PP-R (polypropylene random) tube called type three polypropylene pipe and is also called the PP-R pipe or PPR pipe, with energy saving, environmental protection, high strength, corrosion resistance, with smooth inner wall has the advantages of scale, construction and easy maintenance, long service life, widely used in building water supply and drainage, urban and rural areas city water supply and drainage, gas, electricity and cable sheath, industrial fluid transportation, agricultural irrigation construction, municipal, industrial and agricultural fields. The PP-R pipe is made of random copolymerized polypropylene and is extruded into tubes to be molded into tubes.

Q:How do i distill alcohol? Do i need copper tubing or can i use different tubing for the home distiller?: It is preferable to use stainless steel. Copper is ok and will be the easiest to bend, but make sure it has no soldered joints as solder contains lead which is extremely toxic. Copper may also give off a taint for the first couple of runs and any time it is left unused for a while. Plastic/rubber tubing may not stand the heat and may release other toxins into the brew. Not sure about glass, probably at risk of it shattering and it would be an expensive lab set up. Make sure you do your research on this, as in the process of distilling alcohol, the first hundred mls of distillate is toxic to humans and needs to be discarded.

Q:Rescue fish, currently in temporay home 20 gal 70' filtered oxygenated tank until I can get another tommorow. But he looks stressed, I think he needs a place to hide for the night, and the PVC I have at the moment is too light to sink. I found the plastic in the basement of the older home we live in, good size for him, but I am worried that plastic of an uncertain age might give off some kind of toxin/poison. Can anybody help? Suggestions for alternatives welcome...: Nope. It's safe. PVC is used for tube anemones commonly.

Q:What's the diameter of the white plastic tube in the kitchen, about 10cm? What should I do if the water leaks?: PVC-U drain, dn110.PVC drain water leakage, the best and most thorough solution is to replace the damaged part of the pipe. If you do not want to change the tube, you can also use glue glue or welding rod and hot air gun welding.

Q:Have you ever noticed it becomed increasingly difficult to stop unwanted back flow of paste towards the sealed end of the plastic tube. Unlike the earlier metallic tubes which could be rolled up from the bottom and be self retaining, the plastic tubes cannot be wound up into a permanent situation but always unroll to a flat state. I have ideas for a simple solution involving no external gadgetry to fiddle around with, maybe you have ideas too?? Keep it simple. Thanks: You know, if you found the answer to this you could win a nobel prize.

Q:Are plastic tubes easy to cut and shape?: Yes, plastic tubes are generally easy to cut and shape. They can be easily cut using a variety of tools such as a saw, knife, or tube cutter. Additionally, plastic tubes can be heated to make them more pliable and then shaped into desired forms.

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