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U.H.M.W. Pe Properties

U.H.M.W. Pe Properties

Physical properties

Property Test method Test specimen U.H.M.W.pe 1000 Unit
Density (of the homogenously pressed material) DIN 53 749 Sheet 0.94 g/cm³
Viscosity (VZ) DIN 53 728 (Page 4) 0.0003 g/cm³ (Concentration in Decahydronaphthalene) 2300 g/cm³
Melt index (MFI 190/5) DIN 53 735 Powder <0.01 g/10min
Melt index (MFI 190/15) DIN 53 735 Powder <0.1 g/10min
Yield value F (150/10) DIN 53 493 Dumbbell bar 0.20 – 0.25 N7mm²
Bulk density DIN 53 468 Powder 0.35 – 0.40 g/cm³

Mechanical properties measured under standard climatic conditions (23°C and 50% RH)

Tensile Test DIN 53 455 – ISO/R 527
Yield stress (tensile strength) Testing rate100 mm/min Test specimen no. 4 20 N/mm²
Ultimate tensile strength Testing rate100 mm/min Test specimen no. 4 40 N/mm²
Elongation at break Testing rate100 mm/min Test specimen no. 4 >350 %
3.5% flexural stress DIN 53 452 80 x 10 x 4 mm 20 N7mm²
Torsional rigidity at +23°C DIN 53 447 60 x 6.35 x 2 mm 250 N7mm²
Torsional rigidity at -40°C DIN 53 447 60 x 6.35 x 2 mm 370 N/mm²
Flexural creep modulus (1 minute value) Flexural creep test 0b = 2 N/mm² 120 x 20 x 6 mm 750 N/mm²
Flexural creep modulus (6 day value) Flexural creep test 0b = 2 N/mm² 120 x 20 x 6 mm 200 N/mm²
Ball indentation hardness (30 sec value) DIN 53 456 (test load 365 N) 4 mm sheet 40 N/mm²
Shore hardness D DIN 53 505 6 mm sheet 64-67
Notched impact strength DIN 53 453 Standard small test bar No faliure mJ/mm²
Notched impact strength (with 15 V notch) DIN 53 453 120 x 15 x 10 mm >80-140 mJ/mm²
Tensile impact strength at + 23°C DIN 53 448 Standard test specimen 3000 mJ/mm²
Tensile impact strength at -100°C DIN 53 448 Standard test specimen 3000 mJ/mm²
Abrasion loss by the sand-slurry method Internal test method (24hr at 1200 min-1 quartz sand of particle size 0.2 – 1.0 mm) 76.2 x 25.4 x 6.35 mm 70-100

Thermal properties

Property Test method test specimen U.H.M.W.pe 1000 Unit
Dimensional stability under heat (heat distortion temperature) DIN 53 461; ISO/R75 method A >110 x 10 x 4 mm 47 °C
Vicat softening point VST DIN 53 460 method B 10 x 10 x 4 mm 79 °C
Crystalline melting range Polarising microscope Microtome section, 20μm 135 – 138 °C
Coefficient of linear expansion (between 23°C and 80°C) DIN 53 735 25 x 4 x 4 mm mm = 2.104 k-1
Thermal conductivity at 23°C DIN 52 612 (two sheet method) 8 mm sheet 0.42 W/m.k
Specific heat at 23°C Adiabatic calorimeter Powder 1.84 kJ/kg. K

Wlectrical properties measured under standard climatic conditions (23°C and 50% RH)

Volume resistivity DIN 53 482; VDE 0303, part 3 1mm sheet > 5 .1015 w.cm
Surface resistance DIN 53 482; VDE 0303, part 3 1mm sheet >1014 W
Dielectric strength DIN 53 481; VDE 0303, part 2 0.2mm film 900 kv/cm
Relative permitivity – at 50HZ DIN 53 483; VDE 0303, part 4 1mm sheet 1.9
Relative permitivity at 1MHz DIN 53 483; VDE 0303, part 4 1mm sheet 2.3
Dissipation factor – at 50Hz DIN 53 483; VDE 0303, part 4 1mm sheet 1.9-104
Dissipation factor at 1MHzv DIN 53 483; VDE 0303, part 4 1mm sheet
Tracking – CTI DIN 1EC 112, part 1 15 x 15 x 4mm 600 Comparative index
Tracking – CTIM DIN 1EC 112, part 1 15 x 15 x 4mm Comparative index
Arc resistance DIN 53 484; VDE 0303, part 5 Sheet – 120 x 120 x 10mm 1.4 Rating

 

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