Polietylen (PE)

PE is a type of ultra high molecular weight polyethylene having a wide usage. Its high molecular weight allows for optimum properties spectrum. Superb sliding properties, wear and abrasion resistance as well as its resistance to corrosion allows for the use of PE in packaging, food and drink industry.

PROPERTIES:

  • superb sliding properties,
  • very low friction coefficient,
  • low density,
  • antistatic or electrical insulating,
  • high resistance to all chemical substances,
  • dimensional stability,
  • it does not absorb water,
  • constant and impact noise reduction
  • modyfikacja olejem mineralnym w procesie polimeryzacji zapewnia ciągłe smarowanie podczas procesów użytkowania
  • high constant lubrication throughout the whole working time due to polymerisation with mineral oil,
  • admitted to direct contact with food (EU guidance, PZH certificate).
  • nical endurance, hardness and rigidity
  • abrasion and wear resistance
  • physiologically harmless, admitted to direct food contact
  • dimensional stability (low thermal expansion)
  • good creep resistance
  • great machinability

Industry application

  • machines and apparatus e.g. sprockets, tubes, rolls and chain conveyors, sliding and anti-friction profiles, tensile sleeves, buffers, scraper buckets, tabs, gathers, hammer heads, antistatic and conductive linings;
  • elements of packaging and pouring machines: scrolls, bottle guides, guide tables, corner tracks, rolls and cams;
  • chemical and galvanotechnic industry, rotating and metering pumps, valves, filter plates and frames, tabs, gaskets, sliding elements, sprockets, galvanic drums, containers, containers inserts, etc.
  • deep cooling techniques: valves, gaskets, self-sealing rings, piston rings with operating temperature up to -269şC, dynamic sealing in extraction apparatus, piston covers, etc.
  • paper industry and especially when materials with great sliding properties and wear resistance are required, sieve slats, facings of the sieve tables, scraper blades, suction chest inserts, etc.
  • textile industry especially in these textile machines elements which are exposed to large impact loadings and pickers and accumulation rollers;
  • machines used for bunkering and handling loose materials on account of good sliding properties and high wear resistance: bunker lining, convening gutters, wagons for coal, gravel, sand and metal ores transportation, power stations, lime and cement industry, foundries;
  • electrical engineering: insulating elements for high-voltage and highest frequency techniques, materials resistant to high temperature and gas emission, cable clamps, cable handles, contact inserts for plugging systems in electrical equipment,
  • examples of other applications: sprockets, profiles, table tops for paper, cardboard, textile, leather, foil and rubber cutting, table tops for cutting and chopping applied in meat and fish industries, tracks in bowling alleys, prosthesis.

Types of PE

PE 1000 is polyethylene which has the best sliding properties. It is resistant to wear and abrasion and it is characterised by good muffling properties, which in practice means noise reduction. It does not scratch the surface of the objects with which it contacts directly. It is obtained for scrolls, bottle guides, sprockets, idler wheels, profiles, guide rails and chain tensioners production.

PE 500 is polyethylene applied especially in food industry. It is easy in processing and thus it is used widely. It can be used for production of partitional tables, table tops and boards.

PE 300 is widely used in the production of linings and container cases. It is great in welding.

Technical data

Properties Unit Method Polyethylene 1000 Polyethylene 1000
white, green black
Density g/cm3 DIN 53479 0,94 0,97
Molecular weight
millions
Light dispersion
ca. 4,5 ca. 4,5
Mechanical properties
Tensile strength
N/mm2 DIN 53455 22 22
Tear resistance +23 st. C
N/mm2 DIN 53455 44 43
Elongation after break at +23 st. C
% DIN 53455 450 450
Flexural strength +23 st. C
N/mm2 DIN 53477 250 300
Flexural strength -40 st. C
N/mm2 DIN 53477 370 400
Compressive strength
N/mm2 DIN 53456 38 40
Hardness, Shore D
66 64
Notched Impact
mj/mm2 DIN 53453 150 100
Abrasion in sand-slurry method
Sand-slurry test
100 110
Thermal properties
Crystallisation range
st. C
polarising microscope
137 139
Coefficient of Linear Thermal Expansion between 20-100 °C
st. C DIN 52328 2ˇ10-4 1,8ˇ10-4-4
Thermal Conductivity at 20 °C
W/° C x m DIN 52612 0,42 0,42
Max Operating Temp
st. C 76 76
Electrical properties
Volume Resistivity
? x cm DIN 53482 >1015 <109
Surface resistance
? DIN 53482 >1013 4ˇ107
Dielectric strength
KV/cm DIN 53481 900
Sliding and abrasive properties
Dynamic coefficient of friction
Force weight ratio
Plastic on steel (height of surface unevenness 2-2,5ž<=)
0,1-0,12 0,08-0,1

Weight table

Sheets Polyethylene 1000, 500, 300
Colour
white, green, black
Signature DIN
PE UHMW
Density (g/cm3)
0,96
Storage dimensions
1000x2000mm 1220x3050mm
(Width x length) mm
Gauge: (mm)
Weight(kg/szt) Weight(kg/szt)
1 2 3,66
2 4 7,32
3 6 10,98
4 8 14,64
5 10 18,3
6 12 21,96
8 16 29,28
10 20 36,6
12 24 43,92
15 30 54,9
20 40 73,2
25 50 91,5
30 60 109,8
35 70 128,1
40 80 146,4
45 90 164,7
50 100 183
55 110 201,3
60 120 219,6
70 140 256,2
75 150 274,5
80 160 292,8
90 180 329,4
100 200 366

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Adam Wardęga (wew.48)
+48 667 603 803
adam.wardega@plastem.pl

 

Marcin Smażek (wew.32)
+48 601 404 719
marcin.smazek@plastem.pl

 

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+48 607 077 677
lukasz.majewski@plastem.pl

 

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