ISO 4156-3-2021 pdf – Straight cylindrical involute splines — Metric module, side fit — Part 3: Inspection

ISO 4156-3-2021 pdf – Straight cylindrical involute splines — Metric module, side fit — Part 3: Inspection

ISO 4156-3-2021 pdf – Straight cylindrical involute splines — Metric module, side fit — Part 3: Inspection. 1 Scope This document provides data, guidance and requirements for the inspection of straight (non-helical) side fitting cylindrical involute splines. Limiting dimensions, tolerances, manufacturing deviations and their effects on the fit between connecting coaxial spline elements are defined and tabulated. Linear dimensions are...

ISO 3008-4-2021 pdf – Fire resistance tests — Door and shutter assemblies — Part 4: Linear joint fire seal materials used to seal the gap between a fire door frame and the supporting construction

ISO 3008-4-2021 pdf – Fire resistance tests — Door and shutter assemblies — Part 4: Linear joint fire seal materials used to seal the gap between a fire door frame and the supporting construction

ISO 3008-4-2021 pdf – Fire resistance tests — Door and shutter assemblies — Part 4: Linear joint fire seal materials used to seal the gap between a fire door frame and the supporting construction. 1 Scope This document specifies a standard test methodology and resulting field of direct application which are applicable to linear joint fire seal materials used to...

ISO 1628-1:2021 pdf – Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — General principles

ISO 1628-1:2021 pdf – Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — General principles

ISO 1628-1:2021 pdf – Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — General principles. 1 Scope This document defines the general conditions for the determination of the reduced viscosity, intrinsic viscosity and K-value of organic polymers in dilute solution. It defines the standard parameters that are applied to viscosity measurement. This document is...

ISO 1463:2021 pdf – Metallic and oxide coatings — Measurement of coating thickness — Microscopical method

ISO 1463:2021 pdf – Metallic and oxide coatings — Measurement of coating thickness — Microscopical method

ISO 1463:2021 pdf – Metallic and oxide coatings — Measurement of coating thickness — Microscopical method. 5.10.2 Digital image processing Microscopes with a triocular tube, camera adapters with projecting lens and digital cameras connected to a computer with software for image capturing and processing are nowadays state of the art. Similar to 5.10.1, the measurement will be no more accurate...