Plastic Tubes HDPE Pipe ISO4427-2000 DN16

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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:The difference between aluminum pipe and PPR pipe: In the current residential area and home improvement have been used on the PPR water supply pipe, use in the home improvement rate is decreasing with the aluminum plastic pipe, PPR pipe is completely replaced, unless there is a material for water supply appeared update.

Q:I adopted two new gerbils yesterday, and they are pretty well adapted so far. They live in an aquarium with a connected bin which is much larger and hold many things to chew on tons of bedding to dig in. These are two of the things they like best. Unfortunately, despite having tons of things to chew on including paper towels, wood blocks (which they don't find the least bit interesting), and cardboard (which is their favorite thing to chew on), one of my gerbils still resorts to chewing on the inside of the plastic tubes connecting the bin to the aquarium. Any ideas on how to stop it? I can't connect them any other way, and the only way they would get to the bin other than the tubes, would be for me to manually place them there (they don't trust me completely yet, but they are curious and have come up and sniffed, walked on my hand). Trying to catch them makes feel like a I'm stressing them out, and making them scared of me. What should I do?: First of all, aspen isn't good for rodent. Try using Carefresh or atleast pine. U probably think they're eating it but they aren't. They';re probably just putting it inside in their pouch to bring it to their nest or something. My gerbil does that too. So don't worry about it. Maybe you can put more bedding inside thegerbil's nest to save up some work for the gerbil. =)

Q:How do plastic tubes compare in cost to other packaging options?: Plastic tubes are generally cost-effective compared to other packaging options due to their low production costs, lightweight nature, and efficient use of materials.

Q:I'm building a computer and I got to the liquid cooling option and I can't decide between copper tubing and plastic tubing. I've seen plastic tubing and know that plastic is easier to detach, but I think copper might cool the components better. Any suggestions?(Note-this is not a budget build by any means-I want to know which one performs better, not what's the best bang for your buck): Copper is better bang but needs to be bent for each component. Plastic is flexible and just needs to be cut to length

Q:Our hamster loves to make a bed in the plastic tube and not in the bed I bought (typical!). We clean the cage once a week and empty the tubes. Should we do this or should we just leave all the sawdust where it is?: I doubt they use the bathroom in the tube, but if they do, yes clean it out. If they want to, and they probably will, they will build another bed there anytime they feel like it

Q:My mother is staying with me for a few weeks and was recently put on oxygen, which means a lot of clear plastic tubing. My one cat loves straws and rubberbands. I thought she was ignoring it but she chewed and ruined a long line. Does anyone have some behavioral techniques I can use to stop her from doing this? Thanks so much!: Best way to stop cats chewing on cording is to mix 1/2 cup dish soap with 2 tablespoons of water and coat the tubes with it. Or buy large aquarium tubing, slice it down the center and open it enough to put on OVER the other tubes, making it a tube inside a tube.

Q:How do you prevent plastic tubes from warping in direct sunlight?: One way to prevent plastic tubes from warping in direct sunlight is by using UV-stabilized plastic materials. These materials contain additives that protect the plastic from the harmful effects of UV rays, ensuring that the tubes maintain their shape and integrity even when exposed to sunlight for extended periods. Additionally, providing shade or covering the tubes with a protective layer can also help prevent warping by reducing the direct exposure to sunlight.

Q:Are plastic tubes suitable for wastewater management?: Yes, plastic tubes are suitable for wastewater management. They are commonly used in various applications such as drainage systems, sewer lines, and underground conduits due to their durability, resistance to corrosion, and ability to handle high volumes of wastewater. Additionally, plastic tubes are lightweight, easy to install, and often have smooth interiors that prevent clogging and promote efficient wastewater flow.

Q:i was thinking sterilization cause due to being a surgical instrument, but can we sterilse plastic in autoclave or UV lights? confusing question.......: Most plastic stuff comes already sterile from the manufacturer. There is the option of gas sterilization, if the tubing won't survive an autoclave. Most surgical instruments are metal and ARE re-sterilized, at least in the OR's where I work. We don't reuse tubing.

Q:Are plastic tubes suitable for use in the pharmaceutical industry?: Yes, plastic tubes are suitable for use in the pharmaceutical industry. They offer several advantages such as being lightweight, cost-effective, and resistant to chemical reactions. Plastic tubes also provide excellent barrier properties, ensuring the integrity and safety of pharmaceutical products. Additionally, they are easily customizable, allowing for precise dosing and administration. However, it is important to select the appropriate type of plastic tube that meets the specific requirements and regulations of the pharmaceutical industry.

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