This document specifies a method for the determination of the gross heat of combustion (QPCS) of products at constant volume in a bomb calorimeter. This method is intended to be applied to solid products. NOTE Liquids can be tested with similar equipment and using conditions described in ASTM D240[1], as described in IEC 61039[2] using ISO 1928[3] test equipment. Annex A specifies the calculation of the net heat of combustion, QPCI, when required. Information on the precision of the test method is given in Annex B.
Tämän julkaisun valmistelusta Suomessa vastaa Rakennustuoteteollisuus RTT ry, puh. 09 12 991 (vaihde).
Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test apparatus
6 Reagents and materials
7 Test specimens
7.1 General
7.2 Sampling
7.3 Determination of surface density
7.4 Grinding
7.5 Type of specimen
7.6 Conditioning
7.7 Number of test specimens
7.8 Determination of mass
7.9 Crucible method
7.10 “Cigarette” method
8 Test procedure
8.1 General
8.2 Calibration procedure
8.3 Standard test procedure
9 Expression of results
9.1 Corrections for manual apparatus
9.2 Corrections for isothermal calorimeter (see Annex C)
9.3 Calculation of the gross heat of combustion of the specimen
9.4 Calculation of the gross heat of combustion of the product
10 Test report
11 Validity of test results
Annex A Calculation of net heat of combustion (normative)
Annex B Precision of test method (informative)
Annex C Calculation by graph of the corrective term, c, necessarybecause of the cooling of the calorimeter (informative)
Annex D Example of determination of the gross heat ofcombustion of a non-homogeneous product (informative)
EN 13238:2010 Reaction to fire tests for building products - Conditioning procedures and general rules for selection of substrates
ISO 554:1976 Standard atmospheres for conditioning and/or testing -- Specifications
EN 13238:2010 Reaction to fire tests for building products - Conditioning procedures and general rules for selection of substrates
ISO 554:1976 Standard atmospheres for conditioning and/or testing -- Specifications