BS 874-2.1:1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 for determining thermal insulating properties. Tests for thermal conductivity and related properties Guarded hot-plate method
Hardcopy , PDF
English
28-11-1986
15-03-2001
Foreword
Committees responsible
Method
0 Introduction
1 Scope
2 Definitions
3 Restrictions on the determination of thermal
conductivity and resistivity
4 Principle
5 Laboratory environment
6 Apparatus
7 Test specimens
8 Procedure
9 Expression of results
10 Test report
Appendices
A Auxiliary edge guard for guarded hot-plates
B Description of composite materials
Figures
1 Guarded hot-plate apparatus
2 Typical guarded heater plate
3 Alternative cold plate designs
4 Alternative thermocouple and thermopile layouts in
the guarded heater plate
5 Linear gradient edge guard
Absolute method for determining steady-state thermal transmission properties of insulating materials over the temperature range -20°C to 100°C.
| Committee |
B/540
|
| DevelopmentNote |
Supersedes BS 874(1983) (07/2004) Supersedes BS 874(1973) & 84/76476 DC. (12/2007)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 7008-1:1988 | Acquisition and presentation of comparable data for basic properties of plastics. Method for single-point data |
| BS 6993-2:1990 | Thermal and radiometric properties of glazing Method for direct measurement of U-value (thermal transmittance) |
| BS 874-3.2:1990 | Methods for determining thermal insulating properties. Tests for thermal transmittance and conductance Calibrated hot-box method |
| BS 874:1973 | Methods for determining thermal insulating properties with definitions of thermal insulating terms |
| DEFSTAN 02-804(PT2)/1(2000) : 2000 | REQUIREMENTS FOR CORK THERMAL INSULATION MATERIAL - PART 2: CORK PRODUCTS CORK SLABS NON-FIRE RETARDED |
| BS 5970:1992 | Code of practice for thermal insulation of pipework and equipment (in the temperature range -100°C to +870°C) |
| BS 4370-2:1993 | Methods of test for rigid cellular materials Methods 7 to 9 |
| BS 874-2.2:1988 | Methods for determining thermal insulating properties. Tests for thermal conductivity and related properties Unguarded hot-plate method |
| BS 4046:1991 | Specification for compressed straw building slabs |
| BS 874-3.1:1987 | Methods for determining thermal insulating properties. Tests for thermal transmittance and conductance Guarded hot-box method |
| BS 4745:1990 | Method for determination of thermal resistance of textiles |
| BS 5669-4:1989 | Particleboard Specification for cement bonded particleboard |
| DEFSTAN 02-802(PT2)/1(2000) : 2000 | REQUIREMENTS FOR ACOUSTIC AND THERMAL INSULATION MATERIAL - PART 2: MINERAL WOOL PRODUCTS MINERAL WOOL ACOUSTIC ABSORPTION LINER |
| BS 5803-3:1985 | Thermal insulation for use in pitched roof spaces in dwellings Specification for cellulose fibre thermal insulation for application by blowing |
| BS 903-1:1995 | Physical testing of rubber Guide to the selection and use of methods of test for rubber |
| DEFSTAN 02-804(PT1)/1(2000) : 2000 | REQUIREMENTS FOR CORK THERMAL INSULATION MATERIAL - PART 1: CORK PRODUCTS COMPOSITION CORK SHEET FIRE RETARDED |
| BS 5422:1990 | Method for specifying thermal insulating materials on pipes, ductwork and equipment (in the temperature range -40°C to +700°C) |
| DEFSTAN 02-802(PT3)/1(2000) : 2000 | REQUIREMENTS FOR ACOUSTIC AND THERMAL INSULATION MATERIAL - PART 3: MINERAL WOOL PRODUCTS ROCK WOOL PROTECTION SLABS |
| BS 874-1:1986 | Methods for determining thermal insulating properties Introduction, definitions and principles of measurement |
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