AS 2464.7-1990

1 - AS 2464.7-1990 METHODS OF TESTING THERMAL INSULATION - DETERMINATION OF THE AVERAGE THERMAL RESISTANCE OF LOW-DENSITY MINERAL
1 - PREFACE
1 - FOREWORD
1 - METHOD
1 - 1 SCOPE.
2 - 2 REFERENCED DOCUMENTS.
2 - 3 PRINCIPLE.
2 - 3.1 Determination of thermal resistance.
2 - 4 DEFINITIONS.
2 - 4.1 Lot
2 - 4.2 Low density mineral wool
2 - 4.3 Pack
2 - 5 APPARATUS.
2 - 5.2.1 Guarded hotplate.
2 - 5.2.2 Heat flow meter.
2 - 6 SAMPLING AND PREPARATION OF TEST SPECIMEN.
2 - 6.1 Selection of sample.
2 - 6.2 Preparation of test specimen.
2 - 7 PROCEDURE.
3 - 8 CALCULATION OF PACK AVERAGE THERMAL RESISTANCE.
3 - 8.1 Pack average thermal resistance.
3 - 8.2 Procedure for determining the constants a, b and c.
4 - 8.3 Average thermal resistance.
5 - 9 REPORT.

This Standard sets out a method for determining the average thermal resistance of a pack of low-density mineral wool batt or blanket type thermal insulation. This method is for low-density mineral wool thermal insulation, exclusive of any membrane facings, air films or structural materials.

Available Superseded 20 January 2003
Under Revision See DR 02026 CP