HDPE PIPE ISO4427-2000 DN355

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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 resistant to chemical degradation?: Yes, plastic tubes are generally resistant to chemical degradation.

Q:What is the maximum pressure plastic tubes can handle?: The maximum pressure that plastic tubes can handle depends on various factors such as the type of plastic, dimensions of the tube, and its intended use. However, in general, plastic tubes can typically handle pressures ranging from a few hundred to several thousand pounds per square inch (psi). It is essential to consult the specific manufacturer's guidelines and specifications to determine the maximum pressure tolerance for a particular type of plastic tube.

Q:At night my hamster wakes up and plays and stuff, well he has these plastic tubes that he can climb up to get to different areas of his cage, he likes to chew on them. My only problem is that it is REALLY loud and I hate the scraping sound it makes. I don't want to take out the tubes because then he would have nothing to play in. And I don't have the money to get him a new cage/glass aquarium and I really would like him to stay with the cage he has now, it's an all plastic cage except the metal bars to keep him in,lol, the brand is Super Pet Critter Trail if you want to loo it up to see what I'm talking about. Me and my mom have tried rubbing lemon juice on it but he liked the taste -.- please help?: I've had hamsters escape from cages with tubes after they have chewed holes. I'd recommend getting an all wire cage or glass terrarium asap.

Q:What sizes are plastic tubes available in?: Plastic tubes are available in a wide range of sizes, varying from small diameters of a few millimeters to larger diameters of several inches.

Q:I was wonder If Plastic Pluming Tubes Yes WITH end caps would work for pontoons if you know tell me Thx -Zac: Yes okorder hope this helps

Q:I bought a roll of lincoln cents they are stuck in the plastic tubes. Any suggestions on how to get them out without damaging the coins?: whack them with a hammer. I'm not saying whale on it, but a little more than a love tap may jar them loose.

Q:Are plastic tubes suitable for retail packaging?: Yes, plastic tubes are suitable for retail packaging. They provide durability, flexibility, and transparency, making them ideal for displaying products and protecting them from damage. Plastic tubes also offer a wide range of customization options, allowing for attractive branding and marketing.

Q:Can you smoke hookah with just a plastic tube?: no, you need something to put the hookah in, and you need something to light it. And you don't want to burn the plastic and breathe the fumes!

Q:the gun works great...until i go to elevate the last shell into the chamber, the plastic cup that seats against the crimps of the shell sticks just enough into the tube to not fully push the shell out and onto the elevator, the spring feels a bit week also, are these springs known for wearing out and are they replaceable? looks like the shell tube has large threads that screw into the receiver but ill be damned if i cant get that thing to twist and unscrew!: The tube will unscrew, but not easily the first time it comes off. When the mag springs in our department Mossbergs get tired, we replace them with Remington 870 mag springs and they seem to hold up better. Field strip the shotgun. Put the end of the mag tube in a vise and clamp down ONLY on the little rectangle on the end of the tube (NEVER on the tube itself). Insert the wooden handle.of your hammer into the receiver as close to the barrel mount as you can. Evenly as possible rotate counterclockwise. Remember, it's not going to come off easily. When it lets go, remove the tube, the follower and the spring. Do not try to just stretch out the spring a little. It won't work. Replace the spring and put the follower back in. put the tube back on the receiver. I find it easier to push the follower into the tube a little until you get the threads started. be careful not to crossthread. tighten it up the same way you took it off.

Q:Can plastic pipes be adhered with PVC?: Plastic pipes can be adhesive with PVC glue.PVC adhesive for launching water has the advantages of simple operation, high bonding strength, good sealing performance, cold resistance, heat resistance and strong dielectric resistance.

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