Surface & interfacial science instruments & contract testing services; Emulsion & dispersion stability analysis (-10C to +80C), surface tension, interfacial tension & interfacial rheology, contact angle & wettability, dynamic contact angle, dynamic surface tension, critical micelle concentration of surfactants, surface energy, advancing & receding contact angle, zeta potential and surface charge of solids incl. filters, membranes, fibers, and powders. Instruments such as Emulsion & Dispersion Stability Analyzer MS20 MultiScan - an automated optical scanning instrument (-10C to +80C) to replace manual stability testing done by eye plus freeze & thaw studies, Contact Angle Goniometers, Drop Shape Analysis Systems, Force Tensiometers, Spinning Drop Tensiometers for ultra-low interfacial tension chemistries, Bubble Pressure Tensiometers, and ZPA 20 Zeta Potential Analyzer. Contract testing services available with fully-equipped testing labs in New York City and Charlotte, NC.