Test report no

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1 Exova Brandhaus Industriepark Höchst, C369 Frankfurt am Main D-6596 Germany T : +49 () F : +49 () E : Brandhaus@exova.com W: Test report no. -48 issued 4.. Applicant: Bluestar Silicones 55 avenue des Fréres Perret 699 SAINT FONS Cedex France Date of order: 3.. Date of sampling: Date of delivery: 3.. Date of tests: Order No official taking out of the samples from a representative of the Exova Brandhaus. Testing the flame spread of building products in vertical configuration according to ISO Testing the heat release-, smoke production- and mass loss rate of a material according to DIN ISO 566 (Cone-Calorimeter). 3. Testing the smoke density and toxicity of a material in the test chamber according to EN ISO (NBS-Box) 4. Classification according to new railway standard CEN/TS Description / designation of the test object Silicone Heat Cure Rubber FR 875 E Description of the relevant test procedure ISO ISO EN ISO CEN/TS Registered Office: Exova GmbH, Industriepark Höchst, C369, Frankfurt, D-6596, Registered Company No. HRB 8349 Ust-Id Nr. DE

2 Test report no. -48 issued 4.. Page of. Description of the test material. Details of the customer: Silicone Heat Cure Rubber Name of the product: FR 875 E Trial number reference: PAO 79 Sample thickness: Colour: Intended end use: mm white cream fire resistance application. By the specimen preparation in Exova Brandhaus determined values: Rubber panelsgummiplatten Colour: Thickness:. Square weight: white - cream mm (average),7 Kg/m² (average) Testing after climatic storage at 3 C and 5 % humidity for at least 48 hours. 4..

3 Test report no. -48 issued 4.. Page 3 of. Test results.. Test paper according to ISO : no Test results: Ignition after [s] Reaching the 5 mm station after [s] the mm station after [s] the 5 mm station after [s] the mm station after [s] the 5 mm station after [s] 9 75 the 3 mm station after [s] 3 the 35 mm station after [s] the 4 mm station after [s] the 45 mm station after [s] the 5 mm station after [s] the 55 mm station after [s] the 6 mm station after [s] the 65 mm station after [s] the 7 mm station after [s] the 75 mm station after [s] Flames extinguish after [s] Final spread of flame up to [mm] Total duration of the test [s] drips off / pieces fall off No burning after [s] Burning after [s] Smoke generation after [s] Charring / discolouring / melting after [s] Charring / discolouring / melting up to [mm] Further remarks: Curve out of the material. 4..

4 Test report no. -48 issued 4.. Page 4 of.. Determined burning characteristic: specimen no Q sb MJ/m² 3,43 3,78 3,4 CFE kw/m² 3,9 8,,6 average 3,45,6 n.d. = not determinable because 5 mm mark not raeched. Q sb = Heat for sustained burning CFE = Critical flux at extinguishment Appearance of the specimen after the tests: 4..

5 Test report no. -48 issued 4.. Page 5 of.. Test results Test results Cone-Calorimeter according to ISO 566 Clima storage (3 C/5%r.F.): >4h Nominal heat flux [KW/m²]: 5 Heat flux calibration constant C:,4 Testroom temperature / -humidity: C / 4% rel. LF Single test results of 3 tests: 3 Average Time to ignition [s] Mass of specimen [g] 8 6,3 9, 7,8 Mass loss rate [g/m²s],9,49,,53 Mass loss [g] 4,83 4,8 4,99 4,67 Marhe after start [KW/m²] 6,77 69,8 68,83 66,9 Heat release rate (8 s) [KW/m²] 79,69 83,88 8,9 8,83 Heat release rate (3 s) [KW/m²] 66,79 66,3 67,93 67, Heat release rate (top) [KW/m²] 6,39 5,48,69,9 Effective heat of combustion [MJ/Kg] 5, 56,83 53, 54,5 Total heat release THR THR 8,69 8, 3,9 9, Specific extinction area [m²/kg] 69,39 789,34 687,8 7,67 Carbon monoxid [g/g],5,5,,7 Carbon dioxid [g/g],83,96,83,87 Total smoke production TSP 4,5 43,4 4,59 48,66 End of test [s] ,67 4..

6 Test report no. -48 issued 4.. Page 6 of.. Diagrams: [ kw ] Versuchsdauer [ sec ] AHRE (kw) AHRE (kw) AHRE (kw) [ kw/m ] HRR HRR HRR Versuchsdauer [ sec ] 35 3 [ MJ/m ] 5 5 THR THR THR Versuchsdauer [ sec ] 4..

7 Test report no. -48 issued 4.. Page 7 of.3. Test results NBS-Box according to ISO 5659 Clima storage (3 C/5%r.F.): >4h Testmodus: 5 KW/m² Test duration: s Testroom temperature/humidity: C / 4% rel. LF Single test results of 3 tests: 3 Average Initial mass [g] 5, 5,3 5,9 5,43 Final mass [g],6,3,6,5 Mass loss [g],5 3, 3,3,93 Mass loss [%] 6,6 9,6,8 9 Max. spec. opt. density up to 4 minutes DS 57,88 64, 67,7 63,3 Max. spec. opt. density DS 4,5 38,9 47,68 33,4 Time to max. opt. density [s] 77 96,67 Valeur obscurcissement fumée Conventional Index of Toxicity Conventional Index of Toxicity VOF4 [min] (CIT) 4 min (CIT )8 min 9,83 3,5 7,78,54,49,4,4,3,79,967,893 Time to ignition [s] Time to extinguishing [s] Remarks: none. 4..

8 Test report no. -48 issued 4.. Page 8 of.3. Measurement of the smoke density: specimen weight [ g ] ignition [ s ] extinguish [ s ] 5, - - 5, ,9 - - DS specimen DS specimen DS specimen minutes DS max 4 minutes VOF

9 Test report no. -48 issued 4.. Page 9 of.3.3 Measurement of the toxicity: Analytic procedure: Measurement of the toxicity with FTIR at 5 kw/m², flaming Temperature sample extraction point: <4 C Clima (3 C/5%r.F.): >48 h Testroom temperature / humidity 3 C 5 % rel. gas conc. after 4 min conc. after 8 min no. ppm ppm Carbon Dioxid CO average Carbon Monoxide CO average Hydrogen Fluoride 3 HF average Hydrogen Chloride 3 HCl average Hydrogen Cyanide 3 HCN average Nitrous Gases NO-NO 3 average Suflor Dioxide Hydrogen Sulfide SO -H S 8 3 average HBR average 4..

10 Test report no. -48 issued 4.. Page of Assessment The in chapter described material fulfilles after the tests the requirements of the class HL according to CEN TS _9 for R - and R6 - material. Table 7 Set of material requirements, R Test method Parameter reference Unit Requirement Definition HL HL HL 3 T ISO CFE KW/m² Minimum T3. ISO 566-: 5 KW/m² T. EN ISO : 5 kw/m² T. EN ISO : 5 kw/m² T. EN ISO : 5 kw/m² Marhe KW/m² Maximum D s (4) dimensionless VOF4 min CIT G dimensionless Table 7 Set of material requirements, R6 Test method Parameter reference Unit Maximum Maximum 6 3 Maximum,,9,75 Requirement Definition HL HL HL 3 T ISO CFE KW/m² Minimum T3. ISO 566-: 5 KW/m² T. EN ISO : 5 kw/m² T. EN ISO : 5 kw/m² Marhe KW/m² Maximum D s max dimensionless CIT G dimensionless Maximum Maximum -,8,5 Special comment The fire test result is valid for the in section described material. In the composition with other materials (for example coatings, deposits) the burning behaviour could be influenced unfavourable so that the classification above is not valid any longer. The burning behaviour in composition with other materials has to be tested separately. Frankfurt, the 4.. i. V. P.Scheinkönig / M. Ronzheimer Tester in charge Dipl.-Ing. T. Zachäus Laboratory Supervisor The results of the tests relate only to the behaviour of the test specimen which is designated on the top. Test reports are only allowed to be published or reproduced, not changed in form and tenor without permission of the Exova Brandhaus. The abridged account of a test report is only allowed with the agreement of the Exova Brandhaus. This test report is a translation of the German version -48 (issued 4..). In case of doubt only the German version is valid This test report contains pages 4..