The OCA25+ESR-O interface expansion rheometer developed and produced by German dataphysics company has successfully entered PetroChina Changqing Oilfield, and will play its progressiveness role in the research and development of petroleum products such as surfactant screening.

The OCA25+ESR-O interface expansion rheometer produced by Dataphysics is a classic scientific research instrument that applies the expansion principle to study the stability of surfactants. It has been applied in many research laboratories in various countries and has the characteristics of powerful functionality, strong scalability, high accuracy, and high degree of automation. Beijing Oudelino Instrument Co., Ltd. will provide high-quality after-sales service in the later stage.