Reaffirmed 2023

1. SCOPE

1.1 This standard prescribes the general procedures and design of equipment for determining the thermal conductivity of dry samples of thermal insulating materials, provided that:

a) the materials are sufficiently uniform with regard to their aggregates and pores; and

b) the thermal conductivity of the material does not exceed 1.5 W/mK.

1.2 The equipment described in this standard is suitable for hot face temperature between 675 K and 1 275 K.

1.3 The thermal conductivity coefficients obtained apply only to the particular sample tested.

2. REFERENCES

The standards listed below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below.

3069 : 1994 Glossary of terms, symbols and units relating to thermal insulation materials (first revision)

3346 : 1980 Method for the determination of thermal conductivity of thermal insulation materials (two slab, guarded hot plate method) (first revision)