UHMW

Details
Category: Materials

FEATURES POM PA 6 Nylon PTFE PP PE PE PUR 95 PVC   Testing Method
Delrin Nylon w/molykote Algoflon   APM UHMW Polyurethane   unit
  Grilon Teflon          
Density 1,42 1,14 1,15 2,18 0,93 0,95 0,94 1,15 1,4 g/cm3 ISO.1183 DIN.53479
Water Absortion in air 50% h.r.   0,2 2,8 2,2 0 0,01 0,01 0,01 0,01 0,1 % -
Saturated water absortion at 23° 0,7 9 6 0 0,01 0,01 0,01 0,01 0,1 % -
FEATURES POM PA 6 Nylon PTFE PP PE PE PUR 95 PVC   Testing Method
Delrin Nylon w/molykote Algoflon   APM UHMW Polyurethane   unit
  Grilon Teflon          
Tensile Strength 69 54 60 20 35 26 22 13 55 N/mm2 ISO.527 DIN.53455
Elongation at break 50 180 100 500 600 600 200 90 20 % ISO.527 DIN.53455
Elastic Modulus 2900 1700 1900 700 1100 800 780   2600 N/mm2 ISO.527 DIN.53455
Compression 1% Deflection test in 1000h 14 6 6 1,5 4 3 3 0,3 7 N/mm2 ISO.899 DIN.53444
Resistance to shock Charpy 7,5 J Unnotched n.b. n.b n.b. n.b. n.b. n.b. n.b. n.b. 15 KJ/ m2 ISO.R179 DIN.53453
Resistance to shock Charpy Notched test 11 25 23 14 7 50 80   4 KJ/m2 ISO179/3C DIN.53453
Penetration hardness 150 80 100 30 75 50 40   75 N/mm2 ISO2039.1 DIN.53456
Rockwell hardness (dry) 92 85 88 53 64 60 60 48 97 - ISO2039.2
Coefficient of friction on steel 0,30 0,42 0,40 0,10 0,35 0,32 0,30 0,55 0,42 - -
FEATURES POM PA 6 Nylon PTFE PP PE PE PUR 95 PVC   Testing Method
Delrin Nylon w/molykote Algoflon   APM UHMW Polyurethane   unit
  Grilon Teflon          
Melting Point 175 220 220 325 160 130 130 120 80 - -
Thermal Conductivity 0,3 0,25 0,28 0,24 0,4 0,4 0,4 0,3 0,15 W/(Km) DIN.52612
Heat Deflection Temperature HDT 135 83 96 50 65 50 50   60 °C ISO.75 DIN.53461
Coefficient of linear thermal Expansion 23-60°C 110 90 80 14 150 200 200   80 10-6.K-1 -
Continuous Operating Temperature 100 88 100 250 90 80 80 70 60 °C -
Temperature when operated unloaded 145 150 160 260 110 95 100 80 65 °C -
Minimum Operating Temperature -50 -40 -30 -200 -10 -30 -50 0 -5 °C -
Flame Rating UL 94 (thickness 3-6 mm) HB HB- V2 HB V0 HB HB HB HB HB - UL 94
Oxygen Index (LOI ) 15 24 25 92 18 18 18   42 % ISO.4589
FEATURES POM PA 6 Nylon PTFE PP PE PE PUR 95 PVC   Testing Method
Delrin Nylon w/molykote Algoflon   APM UHMW Polyurethane   unit
  Grilon Teflon          
Relative Permittivity or dielectric constant at 1 MHz. 3,7 3,6 3,7 2,1 2,2 2,3 2,3 4,5 3 - ISO.250 DIN.53483
Dielectric Strength 32 25 30 11 100 50 45 20 50 kV/ mm ISO.243 DIN.53481
Volume Resistivity 1E+15 1E+12 1E+12 1E+15 1E+17 1E+17 1E+17 1E+14 1E+15 Ohm.cm ISO.93 DIN.53482
Dissipation Factor tan Δ a 1MHz 0,01 0,06 0,05 0,0002 0,004 0,004 0,004   0,015   ISO.250 DIN.53483

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