Coefficient of Friction (COF)

The coefficient of friction is a dimensionless variable that is useful in characterizing a material’s frictional properties. COF measurement is frequently performed for plastic films, sheeting, lubricants, paper, etc.

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    Coefficient of Friction – COF

    The coefficient of friction is a dimensionless variable that is useful in characterizing a material’s frictional properties. COF measurement is frequently performed for plastic films, sheeting, lubricants, paper, etc. Test data are dependent on the surface properties of materials like the sample’s surface cleanliness, roughness, surface energy, and the sliding angle. It is an important parameter that is crucial for product design, manufacturing, and evaluating a product’s performance.

    COF is a measure of the frictional forces between two surfaces when in contact. The static COF is the necessary force to initiate motion between the two surfaces. The kinetic COF is the resistance to movement between the materials after they are set in relative motion. ASTM D1894 is the most frequently used testing standard while custom testing and equipment are available.  

      Common Uses:

    • Improve processes and optimize production by evaluating product contact with machinery and conveyor belts
    • Characterize plastic films, sheeting, paper, rubber, etc.
    • Test of household items like tiles, textile, etc
    • Test the effect of modifiers like adhesives, coatings, and lubricants
    • Test moving part materials in engine components, screen wipers, etc.

    Industries:

    • Polymers
    • Plastic Films and Sheeting
    • Adhesive
    • Lubricants
    • Consumer Goods
    • Automobile
    • Process and Manufacturing Industry

    Laboratories:

    • DDL Testing Laboratory, Inc.
    • Intertek Group, Plc.
    • Applied Technical Services
    • Element Materials Technology
    • Polymer Solutions Inc (SGS)

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      FAQ on Coefficient of Friction (COF)

      Where can I do coefficient of friction (CoF) measurements of materials?

      Our material testing labs regularly provide the coefficient of friction (CoF) measurement services for plastic films, sheeting, lubricants, paper, and other materials.

      What is the coefficient of friction of materials?

      The coefficient of friction (CoF) is a measure of the frictional forces between two surfaces when in contact. The static COF is the necessary force to initiate motion between the two surfaces. The kinetic COF is the resistance to movement between the materials after they are set in relative motion.

      What is the coefficient of friction measurement of materials used for?

      COF measurement is frequently performed for plastic films, sheeting, lubricants, paper, etc. . It is a crucial parameter that is used during product design, manufacturing, and evaluating a product’s performance.