HOME KNOWLEDGE CENTER TPE TEST METHODS TPE Test Methods TPE test capabilities of Elastron R&D Lab: TGA - THERMOGRAVIMETRIC ANALYSIS Test Standard: ISO 11358-1 Aim: Thermogravimetric analysis is done to determine the temperature and speed of polymer decomposition and as well as the amount of volatile, medium volatile substances, additives and/or fillers in the polymer structure. Test Device: Thermogravimetric Analyser DSC - DIFFERENTIAL SCANNING CALORIMETRY – DETERMINATION OF MELTING AND CRYSTALIZATION TEMPERATURES Test Standard: ISO 11357-1, ISO 11357-3 Aim: The melting and crystallization temperatures and enthalpies of crystalline or semi-crystalline polymers are determined. Test Device: Differential Scanning Calorimetry DSC - DIFFERENTIAL SCANNING CALORIMETRY – DETERMINATION OF GLASS TRANSITION TEMPERATURE (TG) Test Standard: ISO 11357-1, ISO 11357-2 Aim: Glass transition temperatures (Tg) of amorphous or semi-crystalline polymers are determined. Test Device: Differential Scanning Calorimetry FTIR - FOURIER TRANSFORM INFRARED SPECTROSCOPY - QUALITATIVE ANALYSIS Test Standard: ASTM E 1252 Aim: Structures and functional groups of polymers are defined. Test Device: FTIR- Fourier Transform Infrared Spectrophotometer HARDNESS TEST Test Standard: ASTM D 2240 Aim: Hardness of thermoplastic elastomers are determined in Shore A and Shore D units. Test Device: Shore meter (A&D) DENSITY MEASUREMENT Test Standard: ASTM D 792 Aim: Specific gravities of thermoplastic elastomers (TPE) and other polymers in solid form are calculated with the help of alcohol. Test Device: Analytical Balance and Density Kit COMPRESSION SET Test Standard: ASTM D 395 – Method B Aim: After a force is applied to the thermoplastic elastomer material in different time and temperatures, ability to prevent elastic properties of material is measured. The permanent deformation remaining is measured after applied some pressure in a known temperature and time. Test Device: Compression Set Apparatus FOGGING TEST Test Standard: ISO 6452, PV 3015 – Gravimetric (mg), Refract metric (%) Aim: Amount of volatile structures, that they can migrate to the environment during usage, inside thermoplastic elastomers, is determined by fogging test. Test Device: Fogging Tester TENSILE STRENGTH AND ELONGATION TESTS Test Standard: ASTM D 412 Aim: Under static load, elastic and plastic behaviour of thermoplastic elastomers are determined. Test Device: Extensometer TEARING TEST Test Standard: ASTM D 624 Aim: The resistance of thermoplastic elastomers against tearing is measured. Test Device: Extensometer MELTING FLOW INDEX (MFI) Test Standard: ASTM D 1238 Aim: The melting flow index of a melted thermoplastic elastomer is measured. Test Device: MFI Device CHEMICAL AGING TEST Test Standard: ASTM D 471 Aim: The resistance of thermoplastic elastomers against some chemicals (liquid) and their effects are measured. Test Device: Chemical Aging Test Cabinet, Air Aging Ovens IZOD AND CHARPY IMPACT TESTS Test Standard: ASTM D 256 Aim: The resistance of material against impact is measured. The kinetic energy necessary for cracking and breaking the material is calculated. Test Device: Impact test device COLOR MEASUREMENT (l.a.b.) Test Standard: - Aim: Ligthness and darkness value-l value, red-green values-a value and yellow-blue value-b value are measured for thermoplastic elastomers. Test Device: Colorimeter GLOSS MEASUREMENT Test Standard: ASTM D 523 Aim: The gloss of the thermoplastic elastomers' surfaces is measured. Test Device: Gloss meter pH MEASUREMENT Test Standard: - Aim: The change effect the pH value of the liquids in contact with thermoplastic elastomers is measured. Test Device: pH Meter KINEMATIC VISCOSITY TEST Test Standard: - Aim: Viscosity of liquids or dissolved solids are measured. Test Device: Kinematic Viscometer MOONEY VISCOSITY TEST Test Standard: ASTM D 1646 Aim: Mooney viscosity value of rubber is measured. Test Device: Mooney Viscometer HUMIDITY DETERMINATION Test Standard: - Aim: Humidity of thermoplastic elastomers is measured with the help of weight loss quantitatively. Test Device: Moisture Determination Device HORIZONTAL FLAMMABILITY TEST Test Standard: UL 94- HB Aim: The flammability performances of thermoplastic elastomers are determined as horizontally. Test Device: Horizontal Flame Chamber SOXHLET EXTRACTION Test Standard: - Aim: Fluids within the thermoplastic elastomer is extracted, the liquid material dissolved in the solvent inside solid material is quantitatively measured. Test Device: Soxhlet Extraction Mechanism POLYMER GEL CONTENT TEST Test Standard: - Aim: Crosslink percentage of thermoplastic vulcanizates is calculated. Test Device: Soxhlet Extraction Mechanism ODOUR TEST Test Standard: VDA 270 Aim: Thermoplastic elastomers are graded according to their odour class. Test Device: Oven, Beaker UV AGING TEST Test Standard: ASTM G 154 Aim: The changes of thermoplastic elastomers under UV light are observed in a accelerated aging way. Test Device: Accelerated UV Test Device SCRATCH AND ABRASION TEST Test Standard: - Aim: Scratch and abrasion properties of thermoplastic elastomers are determined by different type edges. Test Device: Abrasion Test Device WEATHEROMETER TEST Test Standard: ASTM D 2565, ASTM D 4459, ISO4582 Aim: Prolonged exposure to the ambient conditions of thermoplastic elastomers like temperature, light or humidity are simulated. The colour change and/or other surface changes as cracking/scratching are analysed. Test Device: Weathering Cabinet KNOWLEDGE CENTER What is TPE (Thermoplastic Elastomer)? 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