Paints and varnishes. Evaluation of degradation of coatings. Designation of quantity and size of defects, and of intensity of uniform changes in appearance - General introduction and designation system Ingestion-build-86103 Part 1: Overview of biometric

Part 1: Overview of biometric systems and biometric profiles

the means by which learner information can be packaged in order to be exchanged with disparate systems using DD 8788-3

d) angle cut concave type (T4)

single element

Paints and varnishes. Evaluation of degradation of coatings. Designation of quantity and size of defects, and of intensity of uniform changes in appearance - General introduction and designation system Ingestion-build-86103 Part 1: Overview of biometric1 Scope This part of ISO 4628 defines a system for designating the quantity and size of defects and the intensity of changes in appearance of coatings and outlines the general principles of the system used throughout ISO 4628. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes, for example yellowing. The other parts of ISO 4628 provide pictorial standards or other means for