HDPE PIPE ISO4427-2000 DN315

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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

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Q:How can I remove PLASTIC earring backs TUBES that have hardened on?
Ok after trying all the same things, my husband took a pair of wire cutters and cut the very end of the plastic back off. The left over plastic part slipped right off and the earring is still able to be used.
Q:trying to find these sweets that look like little raindrops in a plastic tube, not around anymore?
I'm not entirely sure but I know they sell Hard rock ice candies' They look like little sparkly drops, or maybe raindrops. They can come in separated pieces or all attached on a stick (Like a corndog)
Q:sound coming from tube (Toy)?
kinda looks like a small hose for the pool , maybe 2 tube and 3'-4' long
Q:Can plastic pipe 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.
Q:What is this tube for?
Does the tube you're referring to have a little hole in it? If so it's for hooking up an airline to help oxygenate the water.
Q:Where can i find small clear flexible tubing.?
Any good hardware store. They have flexible plastic tubing displays in all different diameters.
Q:I am seeking a bread box with a new and different design instead of the half-dome or square plastic tubes?
How about working with a nationally renowned woodworking artist to incorporate your thoughts with their ability at an affordable price?
Q:Where can I buy transparent tubes to do my science project?
Look in a fish supply store. They have clear tubes that are used to hook the motor to the aerator.
Q:Which control method would NOT be suitable for killing mycobacteria in a capped culture tube?
If it were a Glass tube the answer would be A. UV Light does not go through glass well and would not kill much. If it is a plastic tube, D.
Q:Intubation due to respiratory infection?
When someone needs to be intubated, they place narrow plastic tube down into their throat, just above the patients lungs. This can be done in respiratory distress. How long the tube stays in place all depends on how sick the patient is. That can be days to weeks. The patient is usually sleeping to help them breath more easily with the ventilator, but if someone is able to remain comftorble, they may allow them to be more awake.

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