High molecular weight PE polyethylene

High molecular weight PE polyethylene (PE-500, PE-1000)

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Application
Cogwheels, bearings, wear plates, supporting guide rollers, rolling rollers, yusovy blocks, guide plates and tapes for conveyors and chains, buffers, scraper blades, ring pistons and seals, sealing collars, valves, hammer head, screws, conveyor guides, filter plates, pickers, shock caps, liners for bins, inclined trays and troughs for bulk material, stamp substrates, cutting and chopping boards in the food industry (meat and fish processing), as well as for many mechanical, chemical FIR and electrical applications.

Type	Partnership, mm	Diameter, mm	Length 1 mm	Length 2 mm
Cooker
WMPE-500	2-8		1000	2000
VM PE-500 VM PE-1000	10-200		1000 1500 1000	2000 2000 3000
Rod-bar
VM PE-1000		10-200	1000

Key Features

Good wear resistance;
High impact strength, even at low temperatures
Low coefficient of sliding friction
Excellent release ability
Excellent workability
Physiologically inert (suitable for contact with food)
Good resistance to high energy radiation (gamma and X-rays)

Properties	Unit of measure	VM PE-500	VM PE-1000
Density	g/cm ³	0.96	0.93
Color	white, black, green
Water absorption upon saturation in water at 23 ^оС	%	0.01	0.01
Mechanism Properties
Yield stress	MPa	28	19
Elongation at Break	%	50	50
Elastic modulus	MPa	1300	750
Compression stress at 1/2/5% of the nominal strain	MPa	12/18.5/26.5	4.5/8/14
Charpy Impact Free Impact Strength	kg/m ²	BR	BR
Notched Charpy Impact Strength	kg/m ²	105P	110P
Thermal properties
Melting point	^oC	130-135	130-135
Thermal conductivity at 23 ^оС	w	0.40	0.40
Average coefficient of linear thermal expansion between 23 ^о С і 100 ^о С	m /(m * K)	(200*10)^-6	(200*10)^-6
Temperature of the start of bending under load Method A: 1.8 MPa	about	44	42
Vicat mastication temperature-VST / B50	about	80	80
Maximum allowable working temperature: -for short periods; -continuously, for 20,000 hours.	^o	120 80	120 80
Minimum usage temperature	^oC	-100	-200
Oxygen Index	%	20	20
Electrical Properties
Dielectric Breakdown Strength	kV/mm	45	45
Surface electrical resistance	Om	10 ¹²	10 ¹²
Volume resistivity	om*cm	10 ¹⁴	10 ¹⁴