Kyowa Interface Science Co., Ltd. is a Japanese specialist manufacturer of scientific instruments that support research and development in surface and interface science. With more than 50 years of sales experience in contact angle meters and surface tension meters, the company helps customers analyze and evaluate the properties that matter in coating processes. Its instruments are used across a range of industries, particularly in wet coating, to investigate challenges from upstream development through downstream production and identify practical ways to optimize processes.

The product portfolio includes contact angle, surface tension and dynamic surface tension meters; zeta potential analyzers; friction testers; tensile and universal testing machines; LB film fabrication systems and coating oil quantity meters; and antifogging evaluation equipment. The company also offers software and options for automatic measurement-data storage and transfer. Beyond equipment, Kyowa provides contract measurement services, sample testing, demonstrations, rentals, calibration, repairs and maintenance. Its website shares technical resources, application data, seminars and support information to help users apply interface science to issues involving wetting, adhesion, dispersion, emulsification, friction and coating performance.