Book Test

TESTS ON PLASTIC MATERIALS AND PRODUCTS

Hardness (Durometer) (ASTM D 2240)

  • Rockwell Hardness (ASTM D 785)
  • Tensile Properties (ASTM 638)
  • Tensile, Elongation and Modulus Properties (ASTM D 412)
  • Tensile Properties of Thin sheets (ASTM 882)
  • Flexural strength & Flextural Modulus (ASTM D790)
  • Izod Impact Strength (ASTM D256)
  • Charpy Impact Strength( ASTM D6110)
  • Density and Specific Gravity (ASTM D 792)
  • Melt Flow Rate or Melt Flow Index (ASTM D 1238)
  • Vicat Softening temperature of plastics (ASTM D1525)
  • Deflection Temperature of Plastic ( ASTM D0648)
  • Rate of Burning and/or Extent and Time of Burning (ASTM D0635)
  • Resistance of Plastics to Chemical Reagents ( ASTM D0543)
  • Water Absorption of Plastics (ASTM D0570)
  • Tear Resistance (Graves Tear) of Plastic Film and Sheeting (ASTM D1004)
  • Tear-Propagation Resistance (Trouser Tear) of Plastic Film and Thin Sheeting (ASTM D1938)
  • Carbon Black content In Olefin Plastics (ASTM D1603)
  • Identification of Polymer by Infrared Spectrophotometry
  • Identification of Polymer by chemical tests
  • Hardness (Durometer) (ASTM D 2240) :

  • Determination of hardness2 hardness can be done for substances classified as vulcanized (thermoset) rubber, thermoplastic elastomers, cellular materials, elastomeric materials, gel-like materials, and plastics. Durometer scale is a type of measurement for rubber and plastic material hardness. Generally flexible plastic materials fall under the Scale Shore A. Hard plastics use Shore D. Hardness of other materials such as Foams and soft sponges can be checked using scales Shore OO and by scale Asker C.
  • Rockwell Hardness ASTM D 0785:

  • Determination of this Ball indentation hardness is generally used for harder plastics, It measures the resistance of plastics towards indentation and provides necessary hardness values. Generally Type R indenter is used for Plastics hardness measurements.
  • Tensile Properties ASTM 638 :

    Tensile properties of Plastics provide very useful information for its engineering design purpose. Characteristics such as Tensile strength, Elongation, Elongation at Yield, Modulus of elasticity and other tensile properties can be determined.

    Tensile, Elongation and Modulus Properties (ASTM D 412) ::

    The compression set taking place under constant stress / strain in media / air is evaluated. The test is intended to measure the ability of rubber to retain elastic properties after prolonged

    IMPACT energy tests Izod Impact Strength ASTM D256 :

    Plastics show significantly different Absorption energy when subjected to an impact load. A measure of impact resistance of material is useful for Quality estimation purposes.

    Charpy Impact Strength( ASTM D6110) :

    The Charpy Impact test indicates the energy of break standard test specimen under Standard conditions with notching.

    Density and Specific Gravity (ASTM D 792)

    This test is of prime importance for the Identification of material. It is also used to indicate us the physical changes if any, loss of plasticisers, absorption of solvent or because of any other cause.

    Melt Flow Rate or Melt Flow Index (ASTM D 1238):

    MFI is largely influenced by the material’s physical properties, molecular structure and the rheological character. The test helps to determine the uniformity of the flow rate of polymer at a particular condition.

    Vicat Softening temperature of plastics (ASTM D1525) :

    A measure of the Vicat softening temperature of plastics is useful for the characterization of plastics by its heat-softening qualities.

    Deflection Temperature of Plastic ( ASTM D0648) :

    The test method covers a procedure to determine the temperature at which plastics deform when it is subjected high temperature and load.

    Rate of Burning and/or Extent and Time of Burning (ASTM D0635) :

    Rate of burning of plastics, and also rate and extent of burning characterises are studied for understanding processing character and deterioration

    Resistance of Plastics to Chemical Reagents ( ASTM D0543) :

    Evaluation of Plastic products functioning under chemical contact for mechanical property changes is important for such products. Extend of deterioration in properties can be estimated after immersion in the specified chemicals.

    Water Absorption of Plastics (ASTM D0570) ::

    An estimation of water absorbed in Plastic material when immersed into it, can be evaluated at MAEONL.

    Tear Resistance (Graves Tear) of Plastic Film and Sheeting (ASTM D1004) :

    Tear resistance which is the ultimate resistance to rupture is estimated. The force to initiate tear for flexible plastic films and sheetings is determined.

    Carbon Black content In Olefin Plastics (ASTM D1603) :

    Quantification of carbon black contained in Olefinic plastics can be performed at MAEONL. This test is useful for investigative, reconstructions and quality control purposes.

    Carbon Black content In Olefin Plastics (ASTM D1603) :

    Quantification of carbon black contained in Olefinic plastics can be performed at MAEONL. This test is useful for investigative, reconstructions and quality control purposes.

    Identification of Polymer by Infrared Spectrophotometry :

    The polymers in a given material or product can be determined by Infrared spectrophotometry. The infrared spectrum of the test specimen is superimposed on a reference spectrum and compared for determination of polymer used.

    Thermogravimetric analysis (TGA) ASTM D6370-99 (2014): :

    The composition of compound of rubber / plastics such s Low boiling fractions, polymer, carbon and fillers are quantitatively determined by TGA – Thermogravimetry. A small mass of test sample is subjected to controlled heating under specific environment and the mass loss over a temperature range is measured.

    Determination of Temperature of Crystallisation and Melting of plastics by DSC technique (ASTM D3418-15)

    Maeon laboratories offer testing of plastics for the determination of Transition temperatures, such as Entahalpies of Fusion and Crystallization of Polymers – including Tm, Tg, Tc. Other measurements from DSC include Specifc Heat, Thermal stability, Decompostion temperature, Oxidative Induction Times etc…

    Testing for Dielectric Breakdown voltage and Dielectric Strength (ASTM D149-09(2013):

    Maeon labs has facility for determining Dielectric properties of insulating materials plastic composites and elastomer compounds used commercially for insulation purposes. Sheets, extrusions, coatings, hoses and cellular materials can be tested for this parameter.

    UV weatherability test for Plastics:

    Maeon laboraties has test facilities to induce property changes in polymeric materials, which are associated with end-use conditions, such as sunlight, moisture and heat. The deterioration caused is evaluated for its end use.

    Determination of Temperature of Crystallisation and Melting of plastics by DSC technique (ASTM D3418-15):

    Maeon laboratories.

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