Please select and order
€84.27
excl. VAT
Add to cart
Norm

ÖNORM EN 993-15

Issue date: 2005 08 01

Methods of test for dense shaped refractory products - Part 15: Determination of thermal conductivity by the hot-wire (parallel) method

This European Standard describes a hot-wire (parallel) method for the determination of thermal conductivity of refractory products and materials. It is applicable to den...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 18 Pages
Language:
German | English | Download GER/ENG
This European Standard describes a hot-wire (parallel) method for the determination of thermal conductivity of refractory products and materials. It is applicable to dense and insulating shaped products and to powdered or granular materials (see 6.2), for thermal conductivities of less than 25 W/m.K. The limits are imposed by the thermal diffusivity of the test material and therefore by the dimensions of the test pieces; higher thermal conductivities can be measured if larger pieces are used. Electrically conducting materials cannot be measured. NOTE 1 The thermal conductivity of products with a hydraulic or chemical bond can be affected by the appreciable amount of water that is retained after hardening or setting and is released on firing. These materials may therefore require pre-treatment; the nature and extent of such pre-treatment and the period for which the test piece is held at the measurement temperature as a preliminary to carrying out the test, are details that are outside the scope of this standard and should be agreed between the parties concerned. NOTE 2 In general it is difficult to make measurements on anisotropic materials and the use of this method for such materials should also be agreed between the parties concerned.
ÖNORM EN 993-15
2005 08 01
Methods of test for dense shaped refractory products - Part 15: Determination of thermal conductivit...
Norm
ÖNORM EN 993-15
1998 07 01
Methods of testing dense shaped refractory products - Part 15: Determination of thermal conductivity...
Norm