Buildings and civil engineering works — Sealants — Determination of curing behaviour

ISO 19861:2015 specifies a method for the determination of the curing behaviour of sealants used in joints in building construction.

Bâtiments et ouvrages de génie civil — Mastics — Détermination du comportement de durcissement

General Information

Status
Published
Publication Date
05-Nov-2015
Technical Committee
ISO/TC 59/SC 8 - Sealants
Drafting Committee
ISO/TC 59/SC 8 - Sealants
Current Stage
9093 - International Standard confirmed
Start Date
07-Jul-2021
Completion Date
12-Feb-2026

Overview - ISO 19861:2015 (Determination of curing behaviour of sealants)

ISO 19861:2015 specifies a laboratory method for determining the curing behaviour of sealants used in joints in building and civil engineering works. The standard defines procedures for both one‑part (single component) and multi‑component sealants, describing specimen preparation, conditioning, testing intervals, measurement methods and reporting requirements. Conditioning is carried out at (23 ± 2) °C and (50 ± 10) % RH to ensure repeatability of results.

Key topics and technical requirements

  • Scope: Test method for curing behaviour of sealants in building construction joints.
  • Specimen types:
    • One‑part sealants: 15 specimens in plastic or metal cylindrical cups (35–75 mm internal diameter, 35–50 mm deep, wall thickness 1–3 mm).
    • Multi‑component sealants: drawn down slab ≥ 6 mm thickness, 50 mm × 300 mm.
  • Conditioning: All specimens brought to (23 ± 2) °C over 24 h and cured at (23 ± 2) °C / (50 ± 10) % RH.
  • Test procedure:
    • One‑part: remove cured skin on three cups at intervals (16 h, 24 h, 48 h, 72 h, 96 h, 168 h) and measure cure depth; time to 2 mm cure in depth determined by linear interpolation of averaged data.
    • Multi‑component: hardness testing per ISO 868 (Shore A/00); measure before and around manufacturer recommended cure time and until hardness reaches 33% of ultimate (28 day) hardness; time to 33% determined by linear interpolation.
  • Instrumentation: scaled measuring device (0.5 mm) for depth; Shore durometer capable of A scale (or 00 for extremely soft materials).
  • Reporting: laboratory ID, test date/number, reference to ISO 19861, sealant name/type/colour/batch, one‑part cure depths at specified intervals and time to 2 mm, multi‑component hardness readings and time to 33% ultimate, any deviations.

Applications and who uses ISO 19861:2015

  • Sealant manufacturers - validate cure performance claims, support technical data sheets and R&D.
  • Independent test laboratories - provide standardized cure characterisation for product certification and quality control.
  • Specifiers, architects and engineers - assess suitability of sealants for joint design and installation schedules.
  • Contractors and quality assurance teams - verify on‑site product behaviour against laboratory expectations.

Practical benefits include predictable joint performance, informed material selection, and documented cure times to support construction scheduling and warranty claims.

Related standards

  • ISO 868 - Plastics and ebonite - Determination of indentation hardness (Shore hardness)
  • ISO 6927 - Sealants - Vocabulary

Keywords: ISO 19861:2015, curing behaviour, sealants, cure in depth, Shore hardness, sealant testing, one‑part sealant, multi‑component sealant, building construction.

Standard

ISO 19861:2015 - Buildings and civil engineering works -- Sealants -- Determination of curing behaviour

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Standard

ISO 19861:2015 - Buildings and civil engineering works -- Sealants -- Determination of curing behaviour

English language
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Frequently Asked Questions

ISO 19861:2015 is a standard published by the International Organization for Standardization (ISO). Its full title is "Buildings and civil engineering works — Sealants — Determination of curing behaviour". This standard covers: ISO 19861:2015 specifies a method for the determination of the curing behaviour of sealants used in joints in building construction.

ISO 19861:2015 specifies a method for the determination of the curing behaviour of sealants used in joints in building construction.

ISO 19861:2015 is classified under the following ICS (International Classification for Standards) categories: 91.100.50 - Binders. Sealing materials. The ICS classification helps identify the subject area and facilitates finding related standards.

ISO 19861:2015 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


INTERNATIONAL ISO
STANDARD 19861
First edition
2015-11-01
Buildings and civil engineering
works — Sealants — Determination of
curing behaviour
Bâtiments et ouvrages de génie civil — Mastics — Détermination du
comportement de durcissement
Reference number
©
ISO 2015
© ISO 2015, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2015 – All rights reserved

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Test materials . 1
5.1 One part sealants . 1
5.2 Multi component sealants . 1
6 Preparation of test specimens . 2
6.1 General . 2
6.2 One part sealants . 2
6.3 Multi component sealants . 2
7 Conditioning of test specimens . 2
8 Test procedure . 2
8.1 One part sealants . 2
8.2 Multi component sealants . 2
9 Expression of results . 3
9.1 One part sealants . 3
9.2 Multi component sealants . 3
10 Test report . 3
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the developm
...


ISO Secretariat: SAC
Buildings and Civil Engineering Works — Sealants — Determination of
changes in adhesion, cohesion and appearance of elastic
weatherproofing sealants after exposure of statically cured specimens to
artificial weathering and mechanical cyclingDetermination of Curing Behavior
Élément introductif — Élément central — Élément complémentaire

Copyright notice
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Violators may be prosecuted.
Bâtiments et ouvrages de génie civil -- Mastics -- Détermination du
comportement de durcissement
ISO/FDIS 19861
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO
collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any
patent rights identified during the development of the document will be in the Introduction and/or on
the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO's adherence to the WTO principles in the Technical Barriers
to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 59, Buildings and civil engineering works,
Subcommittee SC 8, Sealants.
iii
ISO/FDIS 19861
Buildings and Civil Engineering Works — Sealants —
Determination of changes in adhesion, cohesion and appearance
of elastic weatherproofing sealants after exposure of statically
cured specimens to artificial weathering and mechanical
cyclingDetermination of Curing Behavior
1 Scope
This International Standard specifies a method for the determination of the curing behaviour of
pedestrian walkway sealants used in joints in building construction.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 868, Plastics and ebonite — Determination of indentation hardness by means of a durometer (Shore
hardness)
ISO 6927, Buildings and civil engineering works — Sealants — Vocabulary
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 6927 apply.
4 Principle
Test specimens are p
...

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