CONTENT HUB
A mapped index of the ASTM, ISO, TAPPI, AATCC, IPC, IEC, EN, API, USP and other standards relevant to contact angle, surface tension, surface energy and wettability with an honest statement of how Dropometer relates to each. Each standard links to a dedicated page explaining what it specifies, how the measurement is performed, and exactly where Dropometer fits its workflow. Compliance tier reflects measurement equivalence, not a formal accreditation claim.
Dropometer measures the property this standard specifies, using an equivalent method.
Water contact angle method for verifying corona treatment dose on polymer films before printing or lamination.
Verifies adhesive wettability on a solid substrate before bonding, using contact angle and surface free energy data.
Pendant drop surface tension method for paints, varnishes and liquid coating formulations, used for batch to batch QC trending.
Covers dynamic advancing and receding contact angle measurement for coatings and varnishes.
FDA guidance that uses surface tension trend data to determine critical micelle concentration in surfactant containing formulations.
IEC guidance for assessing hydrophobicity and hydrophilicity of electrical insulator surface materials.
Optical contact angle assessment of water on paper and board at a defined contact time, used to evaluate sizing and hydrophobicity.
Determines surface free energy of coatings from contact angle data across multiple test liquids.
Contact angle derived surface free energy method used to qualify wafer and substrate cleanliness before coating or bonding.
Angle of contact method for paper and paperboard surface wettability, relevant to coating and print runnability.
TAPPI water absorptiveness and sizing test applied to paper and paperboard surface characterization.
Dropometer supports part of this standard’s workflow or a related measurement.
Detects hydrophobic contamination on glass surfaces by contact angle measurement, used across optics, automotive and electronics glass QC.
Surface and interfacial tension test methods for solutions of surface active agents, covering ring, drop weight and related techniques.
Test method set for synthetic and natural rubber latices, including surface tension determination by the ring method.
Fast bubble technique for dynamic surface tension, used where surfactant behavior changes on short timescales.
Estimates critical surface tension of a substrate from contact angle data using a Zisman plot, predicts coating wettability and adhesion risk.
Portable goniometer contact angle method for surface wettability of coatings, substrates and pigments, catches cratering, pinholing and fisheye risk before it reaches the customer.
Ring method interfacial tension test for insulating oils, an early warning indicator of transformer oil contamination. IEC 62961 is carried on the same page as a paired reference.
Guide for crude oil emulsion, wettability and corrosion inhibitory properties. Dropometer supports the steel surface wettability portion of the guide, not the full emulsion and corrosion test battery.
Specifies contact angle measurement of water droplets on polymeric materials used in outdoor high voltage insulation, tracks hydrophobicity transfer across a pollution layer.
Determines surface tension of rubber and polymer latex dispersions by the ring method.
Roll off / tilt stage method for sliding angle of coatings and varnishes, part of the ISO 19403 series.
Classifies self-cleaning surfaces by combining high static contact angle with low sliding angle used for anti-soiling and easy-clean coatings.
Determines interfacial tension of mineral oil against water by the ring method, the ISO counterpart to ASTM D971 for insulating and industrial oil condition monitoring.
Dropometer supports adjacent measurements that inform this standard’s workflow.
Absorbency test for textiles, commonly run alongside repellency ratings to characterize finish performance.
Oil repellency rating test for textiles, run alongside water repellency (TM22) evaluation.
Qualitative spray rating test for fabric water repellency, a coarser readout that complements contact angle based repellency data.
Tape adhesion cross cut test for coatings, a mechanical pass or fail check that complements contact angle wetting data.
Water break test for hydrophobic surface films, a fast go or no go cleanliness check ahead of full contact angle measurement.
Solderability test standard for PCB surfaces. The wetting balance method plots surface tension resistance transitioning to wetting force as solder wets the board, and the standard's own glossary…
Areal surface texture and roughness specification, a geometry measurement that complements but does not replace wettability data.
Cobb method water absorptiveness test for paper and board, the ISO counterpart to TAPPI T441.
Dyne level wetting tension reference test for plastic films, the industry shorthand for corona treatment adequacy.
USP general chapter on wetting properties of pharmaceutical systems, covering powder and tablet wetting behavior alongside contact angle.