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Experimental validation of diffusion, chemical and mechanical properties of the composite or it's components may be required. Then, it is important to obtain crystal clear and applicable results. To provide insight in our all-in approach we list below - besides the ASTM methods - the additional and derived results. In many circumstances these derived outcomes appear to be essential for the operation of equipment!
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| Option |
Parameter |
Remarks |
| 1a. |
Liquid, Vapour, Gas Diffusivity
(Maxwell-Stefan, Fick)
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Test Methods: ASTM D1434, ASTM E96, ASTM D570 -
Gravimetric & Electrical Impedance Spectroscopy (EIS). Additional Results: Steady and Unsteady Permeability, Degree of Plasticizing, Penetration Time, Penetration Depth, Time Lag, Indication of Multicomponent - Mixtures Diffusion Behaviour. |
| 1b. |
Liquid, Vapour, Gas Solubility Thermodynamics
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Test Methods: ASTM D1434, ASTM E96, ASTM D570 -
Gravimetric & Electrical Impedance Spectroscopy (EIS). Additional Results: Equilibrium Solubility, Temperature Dependence (Arrhenius), Pressure Dependence, Enthalpy and Entropy of Mixing + Heat of Condensation, Chemical Potentials, Swelling Stresses. |
| 2. |
Chemical Resistance
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Test Methods: ASTM C581, Additional Results: Quantitative insight in reaction kinetics. |
| 3. |
Mechanical Properties |
Test Methods: Stress Tests: ASTM D638, ASTM D790, Thermal Analysis (Differential Scanning Calometry,
Dynamic Mechanical Analysis,
Thermomechanical analysis,
Thermogravimetric analysis,
Differential Thermal analysis), etc.
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| 4. |
Material Ageing - Unstressed
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Test Methods: Combination of several ASTM test methods. Additional Results: Mechanical properties as a function of time, Blister and Osmosis (Bulges) assessment, Buckling/Decompression assessment, Adhesion (Primers, Sizings & Binders) assessment, etc. |
| 5. |
Material Ageing -
Stressed
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Test Methods: Combination of several ASTM test methods. Additional Results: Mechanical properties (incl. Creep) as a function of time, Blister and Osmosis (Bulges) assessment, Buckling/Decompression assessment, Adhesion (Primers, Sizings & Binders) assessment, etc. |
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