HDPE PIPE ISO4427-2000 DN250
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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 electrical conduit?
- No, plastic tubes are not suitable for electrical conduit as they lack the necessary fire resistance and durability required for electrical wiring systems.
- Q:Do plastic tubes have any limitations in terms of material compatibility?
- Yes, plastic tubes have limitations in terms of material compatibility. Some chemicals or substances can react with certain types of plastics, causing them to degrade, become brittle, or even dissolve. It is important to consider the chemical resistance of the plastic material when selecting a tube for specific applications to ensure it is compatible with the intended substances.
- Q:Are plastic tubes resistant to warping under high temperatures?
- Yes, plastic tubes are generally resistant to warping under high temperatures. However, the specific resistance of plastic tubes to warping can vary depending on the type of plastic used. Some plastics are more heat-resistant than others and can withstand higher temperatures without warping.
- Q:You find this tubing with home cinema equipment cables. It's mounted on the wall and does not need any wall cable grippers or anything.
- ITS A CONDUIT, THEY CAN BE METAL OR PLASTIC.
- Q:Are plastic tubes suitable for structural applications?
- No, plastic tubes are generally not suitable for structural applications as they lack the strength and durability required to support heavy loads or withstand significant forces.
- Q:Are plastic tubes resistant to mold or mildew?
- Yes, plastic tubes are generally resistant to mold or mildew due to their non-porous nature.
- Q:I don't need the candy, just the tubes. Do you know where I can buy them in bulk , and at a reasonable price?
- OKorder might have them. If not, find a candy supply company.
- Q:A plastic tube allows a flow of 12.4 cm3/s ofwater through it.How long will it take to fill a 215 cm3 bottlewith water? Answer in units of s.
- Take 215 cm^3 and divide it by 12.4 cm^3/s, and you'll have your answer. T = (215/12.4) s
- Q:My two young female gerbils are chewing on the CritterTrail plastic tubes I have connected to the cages. They have tons of chew toys, food, and space. I've placed two toilet paper holders in their large nest area. It's helped a little, but they still chew on the plastic tubes. Which is VERY noisy, and I don't think chewing on plastic is good for them compared to natural wood.
- what they due, if you in a cage see freedom you try escape same way.
- Q:how we can design a simple total head tube ??
- Your supposition isn't splendid for a standard venturi. If the venturi is pushed (enable's say it relatively is a steam jet) then the rationalization fluid components ability that will boost the entire head on the region you point out.
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HDPE PIPE ISO4427-2000 DN250
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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