HDPE PIPE ISO4427-2000 DN25

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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:Is the PVC tube a plastic tube or a plastic tube?
Is not flammable, high strength, excellent resistance to climate variability and geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is also not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.
Q:what cage should i get for my teddy bear hamster? plastic with tubes or wire with platics bottom?
get a wiered one. reason: the hampster will be able to chew out of the plastic one.
Q:How can I rescue a plastic tube flushed down the toilet?
Take the whole toilet off the floor and turn it upside down. OR .............raise your arm above your head, shake your hand from side to side, and wave good bye !!
Q:Which companies manufacture tubing for lab purposes?
Tygon is a brand name for a variety of flexible tubing. Tygon is a registered trademark of Saint-Gobain Corporation. It is an invented word, owned and used by Saint-Gobain and originated in the late 1930s. Tygon is produced in 3 countries but sold throughout the world. Tygon Tubing is used in many markets including food and beverage, chemical processing, industrial, laboratory, medical, pharmaceutical, and semiconductor processing. There are many formulations of clear, flexible, Tygon tubing. The chemical resistance and physical properties vary among the different formulations. See link for types and suppliers.
Q:What is the plastic piece called at the end of the Spring inside a Shotgun tube?
its okorder.com/...
Q:how do i make an artillery shell tube?
include photos i think i heard about what your talking about but the folks that had it blew up! so it may be dangerous is it active?
Q:when a mecanics want to empty the gasoline tank of a car, he fillsa plastic tube with gasoline,?
because the suction of dipping the hose in the tank makes a vacuum that pulls the gas out of your tank.
Q:2000 ford focus. does anyone know what the plastic tube that sits above the radiator is?
the single end is attached to the lower radiator hose the double end one hose goes to the lower part of the intake and the other goes to the heater core this is just a transfer tube across the front of the vehicle
Q:will the vapor from weed melt a plastic tube?
It's a great source for more information about the many benefits of portable herbal vaporizers.
Q:is it risky to buy a cheap intake tubes and put a k&n filter? wil it be better or is there a risk of messin up
The person above me gave you some real good insight. The KN filter is your best bet. The plastic tubing you should be able to get at the same place you get your filter though. We have always gotten our stuff from there also.

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