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High density polyethylene

High density Polyethylene (low pressure) is high translucent crystal material of dairy color, possesses high elasticity of melting, has good firmness to majority of organic and inorganic acids, alkalis and salts.

The basic scope is in manufacture of films. Films on the basis of HDPE are more rigid, less looks like wax to the touch, have the big density (0,96g/sm3) in comparison with films on base of LDPE. Durability at stretching and compression is higher, than at LDPE, and resistance to lacerations and blow is lower. Thanks to more dense packing of macromolecules permeability of HDPE is approximately 5 times lower than at LDPE. As for water penetration HDPE concedes only to films on the base of copolymers Vinylchloryd and Vinyldenchloryd. By chemical firmness HDPE also surpasses Low density Polyethylene (especially in firmness to oils and fats).

One of the most important spheres of using of High density Polyethylene is also manufacturing exaggerated hollow vessels (casks, canisters, large bottles) for transportation and storage of acids and alkalis, and also containers for dust.

Although from High density Polyethylene pipe water gas pipes are made for cold water. HDPE pipes have some advantages in comparison with metal pipes: durability (polyethylene pipes have the guaranteed term of operation not less than 50 years; corrosion firmness; ecological cleanliness hygienic safety and ease of installation).

Application
Grade Manufacturer Density, kg/m3
 
Melt rate 190°C/2,16 kg
Thin film Liten FB-75 Unipetrol RPA, s.r.o. 948 0,10
TR144 Qatar Chemical Company LTD. 948 0,20
TR131 Qatar Chemical Company LTD. 938 0,20
FS 471-02 Tiszavidéki Vegyi Kombinát Rt. 947 0,18
293-285 Kazanorgsintez
 
946 0,60
6148С Nizhnekamskneftekhim 948 0,28
РЕ 4 FE 69 TNK-BP. Lukoil 948 0,10
Injection molding
 
 
9708 Marlex Qatar Chemical Company LTD. 962 8,00
ПЭ2НТ22-12 Kazanorgsintez 963 7,50
MB-71 Unipetrol RPA, s.r.o. 963 8,50
 Blow molding
 
 
 
Liten VB-33 Unipetrol RPA, s.r.o. 955 0,33
5502 Marlex Qatar Chemical Company LTD. 955 0,35
6300B Tiszavidéki Vegyi Kombinát Rt. 954 0,30
ПЭ2НТ 76-17 Kazanorgsintez 960 0,70
Pipe PL-10 Unipetrol RPA, s.r.o. 952 0,08
ПЭ2НТ11-9 Kazanorgsintez 958 0,06
P-Y342 Shurtan Gas Chemical Complex 942 0,30

 

 
 
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