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AS
AS 2464.5-1985

AS 2464.5-1985

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Methods of testing thermal insulation Steady-state thermal transmission properties by means of the heat flow meter

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

03-03-2024

Superseded by

AS/NZS 4859.1:2002

Language(s)

English

Published date

01-01-1985

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 2464.5:1985 METHODS OF TESTING THERMAL INSULATION - STEADY– STATE THERMAL TRANSMISSION PROPERTIES BY MEANS OF THE HEAT FLO
1 - CONTENTS
2 - METHOD
2 - 1 SCOPE.
2 - 2 REFERENCED DOCUMENTS.
2 - 3 DEFINITIONS.
2 - 3.1 Layered specimen
2 - 3.2 Homogeneous specimen
2 - 4 SYMBOLS.
2 - 5 GENERAL REQUIREMENTS FOR SPECIMENS.
2 - 5.1 For determination of thermal resistance and thermal conductance.
2 - 5.2 For determination of apparent thermal resistivity and apparent thermal conductivity
3 - 5.3 For determination of thermal resistivity and thermal conductivity.
3 - 6 CERTIFICATION OF RESULTS.
3 - 6.1 General.
3 - 6.2 Reporting of results.
3 - 7 APPARATUS.
3 - 7.1 General.
4 - 7.2 Warm plate.
5 - 7.3 Cold plate.
5 - 7.4 Heat flow meter.
5 - 7.5 Clamping.
6 - 7.6 Edge insulation.
6 - 7.7 Temperature sensors.
6 - 7.8 Measuring system.
6 - 7.9 Thickness-measuring device.
7 - 7.10 Proven performance.
7 - 8 SELECTION AND PREPARATION OF SPECIMENS.
7 - 8.1 Selection.
7 - 8.2 Surface finish.
7 - 8.3 Conditioning.
7 - 8.4 Measurements on specimens.
8 - 8.5 Limitations on specimen thickness.
15 - 9 CALIBRATION.
15 - 9.1 One-specimen configuration.
15 - 9.2 Two-specimen configuration.
16 - 9.3 Calibration curve.
16 - 9.4 Calibration drift.
16 - 10 PROCEDURE.
16 - 10.1 Temperature difference and gradient.
16 - 10.2 Edge insulation.
16 - 10.3 Temperature control.
16 - 10.4 Settling time and measurement interval.
17 - 11 CALCULATIONS.
17 - 11.1 Density and change in mass.
17 - 11.2 Thermal properties.
17 - 12 REPORT.
18 - 13 REFERENCES.
19 - APPENDIX A - SUGGESTED METHODS FOR PREPARING TEST SPECIMENS OF LOOSE MATERIALS WHEN NO METHOD IS SPECIFIED IN THE MATERIAL SP
19 - A1 METHOD A.
19 - A2 METHOD B.
20 - APPENDIX B - TESTS ON SPECIMENS TO DETERMINE APPLICABILITY OF THE METHOD
20 - B1 SCOPE.
20 - B2 DISTORTION OF THEHEAT FLOWIN THE SPECIMEN.
20 - B3 TEST FOR THERMAL SHORT-CIRCUITS.
20 - B3.1 General.
20 - B3.2 Simple test.
20 - B4 DETERMINING THE THERMAL CONDUCTIVITY AND THERMAL RESISTIVITY OF A MATERIAL.
20 - B4.1 General.
21 - B4.2 Dependence on specimen thickness.
21 - B4.3 Dependence on temperature difference.
21 - B4.4 Method of determining dependence on temperature difference.
21 - B4.5 Determination of minimum thickness for which thermal properties of the material may be defined
21 - B4.6 Procedure.
22 - APPENDIX C - TYPES OF HEAT FLOW METERS
22 - APPENDIX D - HEAT FLOW METER EQUATIONS
23 - APPENDIX E - RESPONSE OF HEAT FLOW METERS

AS 2464.5-1985 sets out a method for determining the steady-state thermal transmission properties of thermal insulation materials.

Committee
BD-058
DocumentType
Standard
ISBN
0 7262 3820 1
Pages
22
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This standard sets out a method for determining the steady-state thermal transmission properties of thermal insulation materials within the limits set by Clause 5, by means of a heat flow meter.NOTES:1. This is a secondary or comparative method for measuring the thermal transmission properties of specimen(s), since only the ratio of the thermal resistance of the specimen(s) to that of a standard specimen(s) is measured. The thermal resistances of the standard specimens must be determined in accordance with AS 2464.6.2. For purposes of certification, this method is limited to specimens with thermal resistances greater than 0.10 m2.K/W in any direction.

Under Revision See DR 02026 CP

AS 2464.6-1983 Methods of testing thermal insulation - Steady-state thermal transmission properties by means of the guarded hot plate
AS 2352-1980 Glossary of terms for thermal insulation of buildings
AS 2464.7-1990 Methods of testing thermal insulation Determination of the average thermal resistance of low-density mineral wool thermal insulation - Batt and blanket type
AS 2464.4-1981 Methods of testing thermal insulation Length, width and thickness of batt or blanket type thermal insulation

AS 4073-1993 Urea-formaldehyde foam thermal insulation - In situ set foam
AS 3700 SUPP 4-1992 Masonry in buildings (known as the SAA Masonry Code) - Extracts from AS 3700 - Masonry construction requirements (Supplement to AS 3700-1988)
AS 3700 SUPP 5-1992 Masonry in buildings (known as the SAA Masonry Code) - Extracts from AS 3700 - Masonry housing requirements (Supplement to AS 3700-1988)
AS 3742-1990 Mineral wool thermal insulation - Batt and blanket
AS 4075-1993 Urea-formaldehyde foam thermal insulation - Installation requirements for in situ set foam
AS 3700 SUPP 3-1992 Masonry in buildings (known as the SAA Masonry Code) - Extracts from AS 3700 - Masonry materials requirements (Supplement to AS 3700-1988)
AS 2464.3-1983 Methods of testing thermal insulation Thermal resistance of low-density loose-fill insulation
AS 1366.1-1992 Rigid cellular plastics sheets for thermal insulation Rigid cellular polyurethane (RC/PUR) (Reconfirmed 2018)
AS 1366.4-1989 Rigid cellular plastics sheets for thermal insulation Rigid cellular polystyrene - Extruded (RC/PS-E) (Reconfirmed 2018)
AS 4508-1999 Thermal resistance of insulation for ductwork used in building airconditioning (Reconfirmed 2018)
AS 2464.6-1983 Methods of testing thermal insulation - Steady-state thermal transmission properties by means of the guarded hot plate
AS 1366.2-1992 Rigid cellular plastics sheets for thermal insulation Rigid cellular polyisocyanurate (RC/PIR) (Reconfirmed 2018)
AS 1366.3-1992 Rigid cellular plastics sheets for thermal insulation Rigid cellular polystyrene - Moulded (RC/PS - M) (Reconfirmed 2018)

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