"PD" Polymer Material Specifications

The Technical Source

Over 15 Years of Providing Static Dissipative Handtools to Meet the Strict Specifications of the Disk Drive Industry

Material Description:  SL Plastic (Support Table)
  • UHMW-PE ESD safe polyethylene
  • Good tensile and flexural strength, fatigue and creep resistance
  • Low friction, good wear and abrasion resistance
  • Non-sloughing, no particulate generation
  • No moisture absorptions
  • Good chemical resistance
  • ESD safe, low surface resistivity (103 Ohm)
  • "PD" Material Chemical Compatibility Chart
MECHANICAL PROPERTIES
Tensile strength at yield +23° C 21 MPa ASDM D638
Tensile strength at break +23° C 48 MPa ASDM D638
Elongation at break 350% ASDM D638
Hardness Shore D 62-66 ASDM D2240
Izod-impact strength (notched) +23° C 1600 J/m2 ASDM D 256
Charpy-impact strength (unnotched) + 23° C 20 kJ/m2 DIN 53453
THERMAL PROPERTIES
Coef. of lin. therm expansion, normal: 2.0E-4/°C ASDM D 696
Continuous Use Temperature 80° C 20'000h
Short Time Temperature 100° C
ELECTRICAL PROPERTIES
Surface resistivity 103Ohm IASTM D257
OTHER PROPERTIES
Density 0.93 g/ccm ISO 1183
Color black 
Water absorption in water 23° C 0.0% ISO 62

SD Plastic (Screwdriver Handle)

  • PP/GF25 glass fibre reinforced polypropylene (carbon modified)
  • Good tensile and flexural strength
  • Smooth surface
  • Good chemical resistance to acids, alkalis and organic solvents; 
    good hydrolytic resistance (hot water)
  • ESD-safe material, low surface resistivity (105-106 Ohm)
  • Low particle generation

ND Plastic (Screwdriver Rotating Cap)

  • PA6/GF25 modified glass fibre reinforced nylon
  • High strength, fatigue, wear and creep resistance
  • Heat stabilized, good heat capability
  • Good chemical resistance (oils, grease, fuels, non polar solvents); not resistant to strong acids, alkalis and hot water or steam.
  • ESD-safe material, low surface resistivity (105-106 Ohm)
  • Low particle generation, no particulate shedding

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