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AS 14448:2020

[Current]

Low modulus adhesives for exterior tile finishing (ISO 14448:2016, MOD)

The objective of this Standard is to specify a quality standard and test methods for a low modulus adhesive composed of chemical reaction resins and used for the installation of tiles to exterior walls.
Published: 03/04/2020
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Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirement
6 General test conditions and procedures
6.1 Testing conditions
6.2 Test materials
6.2.1 General
6.2.2 Cement mortar substrate
6.2.3 Ceramic tiles
6.2.4 Fibre cement flat sheets
6.3 Notched trowel
6.4 Pull head plate
7 Test methods
7.1 Shelf life
7.2 Mixing homogeneity inspection
7.3 Adhesive strength
7.3.1 Materials for the testing
7.3.1.1 Substrate
7.3.1.2 Ceramic tiles
7.3.2 Preparation of test pieces
7.3.2.1 Spreading of adhesive
7.3.2.2 Placing of tile
7.3.3 Curing of test assembly
7.3.3.1 Standard cure
7.3.3.2 Low temperature curing
7.3.4 Treating of test assembly
7.3.4.1 Immersion in warm alkaline water
7.3.4.2 Freeze-thaw cycles
7.3.4.3 Heat aging
7.3.5 Adhesive strength
7.3.5.1 Test machine
7.3.5.2 Bond the pull head plate
7.3.5.3 Adhesive strength
7.3.5.4 Calculation of adhesive strength
7.3.5.5 Record of failure mode
7.4 Cured film test
7.4.1 Preparation of sample
7.4.1.1 Preparation of film
7.4.1.2 Preparation of test pieces
7.4.1.3 Determination of thickness and distance between bench marks of test pieces
7.4.2 Tensile test
7.4.2.1 Tensile tester
7.4.2.2 Test procedure
7.4.2.3 Tensile strength
7.4.2.4 Elongation at break
7.4.2.5 Temperature dependency of tensile properties
7.4.2.5.1 Tensile tester
7.4.2.5.2 Test procedure
7.4.2.5.3 Tensile strength
7.4.2.5.4 Elongation at break
7.4.2.6 Alkaline water immersion test
7.4.2.6.1 Test procedure
7.4.2.6.2 Tensile strength
7.4.2.6.3 Elongation at break
7.4.2.7 Heat aging test
7.4.2.7.1 Heating oven
7.4.2.7.2 Test procedure
7.4.2.7.3 Tensile strength
7.4.2.7.4 Elongation at break
7.5 Heat stability
7.5.1 Materials for the testing
7.5.1.1 Substrate
7.5.1.2 Ceramic tiles
7.5.2 Preparation of test pieces
7.5.2.1 Spreading of adhesive
7.5.2.2 Placing of tile
7.5.2.3 Test procedure
7.6 Slip test
7.6.1 Materials for the testing
7.6.1.1 Substrate
7.6.1.2 Ceramic tiles
7.6.2 Preparation of test pieces and test procedure
7.6.2.1 Spreading of adhesive
7.6.2.2 Test procedure
7.7 Pot-life (2 component adhesives)
7.7.1 General
7.7.2 Apparatus
7.7.2.1 Beaker
7.7.2.2 Spatula
7.7.2.3 Water bath
7.7.2.4 Stopwatch
7.7.2.5 Test enclosure
7.7.2.6 Clean, degreased aluminium plate
7.7.3 Procedure
7.8 Open time (1 component adhesives)
7.8.1 Materials for the testing
7.8.1.1 Substrate
7.8.1.2 Ceramic tiles
7.8.2 Preparation of test pieces and testing procedure
7.8.3 Determination of open time
7.9 Density
8 Nomenclature of product
9 Labeling
10 Handling precaution
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Variations
Cited references in this standard
[Current]
Coated abrasives — Plain sheets
[Current]
Ceramic tiles — Definitions, classification, characteristics and marking
[Superseded]
Structural adhesives — Determination of the pot life (working life) of multi-component adhesives
[Current]
Fibre-cement flat sheets — Product specification and test methods
[Current]
Coated abrasives — Determination and designation of grain size distribution — Part 2: Macrogrit sizes P12 to P220
Content history
DR AS 14448:2020