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  2. Polyvinylidene fluoride - Wikipedia

    en.wikipedia.org/wiki/Polyvinylidene_fluoride

    PVDF is a specialty plastic used in applications requiring the highest purity, as well as resistance to solvents, acids and hydrocarbons. PVDF has low density 1.78 g/cm 3 in comparison to other fluoropolymers, like polytetrafluoroethylene. It is available in the form of piping products, sheet, tubing, films, plate and an insulator for premium wire.

  3. Membrane fouling - Wikipedia

    en.wikipedia.org/wiki/Membrane_fouling

    Fouling of a membrane in different steps 1–5. 1) virgin membrane 2) pore narrowing 3) pore blocking 4) cake layer formation 5) cleaned membrane Membrane fouling is a process whereby a solution or a particle is deposited on a membrane surface or in membrane pores in a processes such as in a membrane bioreactor, [1] reverse osmosis, [2] forward osmosis, [3] membrane distillation, [4 ...

  4. Potential energy surface - Wikipedia

    en.wikipedia.org/wiki/Potential_energy_surface

    A potential energy surface (PES) or energy landscape describes the energy of a system, especially a collection of atoms, in terms of certain parameters, normally the positions of the atoms. The surface might define the energy as a function of one or more coordinates; if there is only one coordinate, the surface is called a potential energy ...

  5. Polysulfone - Wikipedia

    en.wikipedia.org/wiki/Polysulfone

    DCDPS is the precursor to polymers known as Udel (from bisphenol A), PES, and Radel R. Udel is a high-performance amorphous sulfone polymer that can molded into a variety of different shapes. It is both rigid and temperature-resistant, and has applications in everything from plumbing pipes, to printer cartridges , to automobile fuses .

  6. International Centre for Diffraction Data - Wikipedia

    en.wikipedia.org/wiki/International_Centre_for...

    The PDF contains more than a million unique material data sets. Each data set contains diffraction, crystallographic and bibliographic data, as well as experimental, instrument and sampling conditions, and select physical properties in a common standardized format.

  7. Environmental stress cracking - Wikipedia

    en.wikipedia.org/wiki/Environmental_stress_cracking

    A number of different methods are used to evaluate a polymer's resistance to environmental stress cracking. A common method in the polymer industry is use of the Bergen jig, which subjects the sample to variable strain during a single test. The results of this test indicate the critical strain to cracking, using only one sample. [5]

  8. Integrity engineering - Wikipedia

    en.wikipedia.org/wiki/Integrity_engineering

    Integrity Engineers may be required to manage, develop, or conduct the following: [1] A high-level integrity management philosophy that includes verification and assurance of facilities (basic repair methods and strategies, Static equipment repair and temporary repairs, Fabric maintenance, Corrosion Engineering, Inspection Engineering, Chemical management, and Maintenance Management)

  9. Integrity testing - Wikipedia

    en.wikipedia.org/wiki/Integrity_Testing

    Download QR code; Print/export Download as PDF; Printable version; In other projects ... Integrity testing may refer to: Employment integrity testing;