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Testing

Testing. Mechanical tests. Tensile properties. Tensile test procedure (ASTM 638). Flexural properties of plastics (ASTM D790). Compressive properties of rigid plastic (ASTM D695). Shear Strength (ASTM D732). Izod Impact (ASTM D256). Indentation hardness (Durometer)

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Testing

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  1. Testing Mechanical tests • Tensile properties • Tensile test procedure (ASTM 638)

  2. Flexural properties of plastics • (ASTM D790)

  3. Compressive properties of rigid plastic (ASTM D695)

  4. Shear Strength (ASTM D732) • Izod Impact (ASTM D256)

  5. Indentation hardness (Durometer) • (ASTM D2240) • Rockwell hardness • (ASTM D785)

  6. Stress concentrations • Deflection temperature (ASTM D648)

  7. Weathering and aging • Outdoor weathering (ASTM D1435) • Accelerate weathering (ASTM G23)

  8. Permanent effect of heat (ASTM D794) • Water absorption (ASTM D570) Thermal conductivity Electrical properties • Tests for electrical resistance (ASTM D257)

  9. Dielectric constant and dissipation factor (ASTM D150) • Arc resistance (ASTM D495) • Dielectric strength (ASTM D149) Specimen conditioning • Conditioning procedure (ASTM D618)

  10. Viscosity

  11. Flammability tests • Underwriter’s laboratories (UL 94) • Oxygen index (ASTM D2843)

  12. Steiner 25-ft Tunnel test (ASTM E84) (UL723) • Corner wall test (Factory mutual)

  13. Thickness measurement Chemical analysis • Infrared (IR) • Chromatography – Gas, Liquid, Paper, Column, Thin Layer • Thermogravimetric Analysis (TGA) • Mass spectrometer • Nuclear Magnetic Resonance (NMR) • Atomic absorption • Other analysis techinquess

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