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Determination of Limiting Oxygen Index (LOI) of Polymers Using ASTM D2863
LOI is defined as the minimum oxygen concentration value expressed in volume percent (in a…
Assessing Material Flammability Using Underwriters Laboratories Standard 94 (UL 94)
UL 94 tests measure the flammability characteristics of materials, primarily plastics, by exposing test specimens…
Determination of Density and Specific Gravity of Polymers/Plastics: Compliance with ASTM D 792 and IS 13360
Specific Gravity-Specific gravity is defined as the ratio of the weight of the given volume…
DYNAMIC MECHANICAL ANALYSIS (DMA)
Dynamic mechanical analysis (DMA) is a thermal analysis technique used to measure changes in the…
Testing and Evaluation of Coefficient of Friction (COF) Following ASTM D 1894
Coefficient of friction- It is the ratio of the frictional force to the force, usually…
Testing of CPVC Pipes for Potable Hot and Cold Water Distribution Systems as per IS 15778
Chlorinated polyvinyl chloride is used to make CPVC plumbing systems, which are produced in accordance…
How to Calculate Hardness: Rockwell & Durometer Methods Explained
Hardness is defined as the “resistance of a material to deformation” particularly permanent deformation, indentation…
Determination of Surface & Volume Resistivity
The determination of surface and volume resistivity is essential in understanding a material's electrical properties.…
How to analyze Morphology of Polymers using SCANNING ELECTRON MICROSCOPE (SEM)
Principle : The principle of a scanning electron microscope or SEM functions by scanning a…