ISO 13640:2025

Building and civil engineering sealants — Specifications for test substrates ISO 13640:2025

Publication date:   Nov 5, 2025

Scope

This document specifies the procedures for producing substrates of mortar, glass and anodized aluminium used for testing sealants.
This document defines the composition and the method of preparation of the test substrates to ensure the reproducibility of the tests conducted on sealants.
The substrates defined in this document are indicators of the sealant's performance and not substrates which reproduce the characteristics of the construction materials.