Overview

The Optical Contact Angle (OCA 35) instrument is a device for measuring hydrophobicity – the contact angle – of a surface. This instrument allows for automatic measurements, images and videos of wetting behavior (e.g. advancing and receding contact angle), as well as a series of system analysis and tests (e.g. surface tension). This automated instrument reduces subjective factors (like human error) often seen with traditional manual contact angle instruments. Measurement time is also reduced with an automated stage and droplet system, allowing for a higher through-put. Analysis is facilitated by SCA software.

Instrument Uses Measure a material’s contact angle Correlate measurements to a material’s surface tension Requirements Best with clean, even surfaces Often used with water, but other solutions may be compatible