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Características:

  • Disipador de estática
  • No se le pega polvo del ambiente
  • Resistencia al impacto
  • Resistencia al desgaste (sólo el UHMW antiestático)

Aplicaciones:

  • Ensamble de componentes electrónicos
  • Guardas de seguridad (policarbonato antiestático)

 

Propiedades del Policarbonato Antiestático

PropertyTest method UnitsPC-350
PHYSICAL
Specific GravityASTM D-792--1.20
Pencil HardnessASTM- 3363Hardness Scale2B
MECHANICAL
Tensile Strength--UltimateASTM D-638psi9,500
Tensile Strength--ElogationASTM D-638%100
Tensile ModulusASTM D-638psi340,000
Flexural StengthASTM D-790psi13,500
Flexural ModulusASTM D-790psi340,000
Compressive StrengthASTM D-695psi12,500
Izod Impact Strength (milled notch)ASTM D-256ft-lb/inch of notch16
THERMAL
Deflection Temperature (264 psi load)ASTM D-648°F270
Vicat Softening PointASTM D-1525°F310
Maximum Continuous Services Temperature--°F180
Coefficient of Thermal ExspansionASTM D-696in/in/°F3.8 X 10-5
Coefficient of Thermal ConductivityCenco-FitchBTU•in/hr•ft²•°F1.35
FLAMMABILITY
Horizontal Burn (Flame Spread)ASTM D-635inch/minLess than 1.0
UL94 RatingUL 94UL ClassificationV-2 < 0.236 in. V-0 > 0.236 in.
OPTICAL
3mm Transparent Clear Transmittance--TotalASTM D-1003%74
HazeASTM D-1003%Less than 3.0
ELECTRICAL
Surface ResistivityASTM D-257ohms/sq106 a 108
Surface ResistanceEOS/ESD S11.11ohms 105 a 107
Electrostatic DecayFTS 101C Method 4046.1*secLess than 0.05

 

Propiedades del UHMW Antiestático

Property Units ASTM TestAnti-Static
Densitygm/cm³D7920.93
Coefficient of friction 73° F on steelStatic
Dynamic
--.15 a .20
.10 a .20
Surface ResistivityOhms/cmD257104 a 108
*Relative volumetric abrasion loss**100
Tensile strength at yield 73° FpsiD6383100
Hardness 73° FShoreD785D 63 a 68
Coefficient of linear thermal expansion1/KD6962.0 X 10-4