API Recommended Practice 10F describes testing practices to evaluate the performance of cementing float equipment for the petroleum and natural gas industries.This specification is applicable to float equipment that will be in contact with water-based fluids used for drilling and cementing wells. It is not applicable to float equipment performance in non-water-based fluids.This edition of API RP 10F is an identical adoption of ISO 18165:2001, Petroleum and natural gas industries-Equipment for well cementing-Part 3: Performance testing of cementing float equipment.