FASTData January 1999 Release

Test Type: Cone Calorimeter, Test Number: T5633, Description File: t5633

Descriptions
FDMS:	Obtaining Data
Documentation Abstract:	Computer-Aided Molecular Design of Fire Resistant Aircraft Materials.
Material:	Polystyrene Disk (7.3cm diameter)
Lab:	National Institute of Standards and Technology
Sponsor:	National Institute of Standards and Technology
Date:	10/26/1992
Test Ref No:	T5633
Tested by:	Jack Lee
Approved by Scientific Officer:	James Brown

Test Results (summary)

Mass Lost:	3075.25 g/m²	Total Heat Released:	89.4236 MJ/m²
Peak RHR:	471.634 kW/m²	Peak Mass Loss Rate:	16.7494 g/m²s

Summary Data From Ignition

	Units	Test Mean	60 s	180 s	300 s
Heat Release	kW/m²	275.199	203.643	327.266	295.968
Mass Loss Rate	g/m²s	0.0122517	0.00605756	0.0110171	0.00988809
Heat of Combustion	MJ/kg	28669000	31.9608	29.0329	29.8202
Specific Ext. Area	m²/kg	-	-	-	-
Carbon Dioxide	kg/kg	1.92613	2.40856	2.28206	2.07172
Carbon Monoxide	kg/kg	0.0553413	0.0456344	0.0522056	0.0606616

Observations and Comments

Flaming out time 8 minutes
Sample started to smoke at 50 seconds
Sample started to flashing at 125 seconds
No soot collected-TUH is down-Spark ignited used

Details of Test Procedure Used

Heat Flux:	40 kW/m²	Nominal Flow:	24 l/s
Orifice Constant:	0.0393211	Heat per Unit Mass O₂:	12.98 J/kg
Heater Orientation:	H	Spark Ignitor Used:	Y
Grid Used:	N	Frame Used:	N
Conditioning:	50 RH @ 296 K	Test Conditions:	50 RH
Specimen Thickness:	-	Specimen Area:	0.0043 m²

Test Results

Initial Mass:	0.0127 g	Time of Peak RHR:	330 s
Final Mass:	-	Peak RHR:	471.634 kW/m²
Mass Lost:	3075.25 g/m²	Peak Mass Loss Rate:	16.7494 g/m²s
Ignition Time:	151 s	Peak Extinction Area:	-
Flameout Time:	483 s	Total Heat Released:	89.4236 MJ/m²

Test Quality Indicators

Publication Status:	Unpublished
Statistical Basis of Data:	Data available for the same test method, but different test conditions
Material Development/ Production Status:	Experimental material
Evaluation Status:	Data have been validated
Laboratory Accreditation Status:	The laboratory is recognized by (inter)national accreditation bodies
Completeness of Material Description:	Partial information on material
Completeness of Test Procedure Description:	Standard test procedure

Test Results (summary)

Data Plots

Heat release rate per unit area

Heat release rate

Mass Loss Rate Per Unit Area

Rate of Mass Loss

CO2 Yield

Carbon Dioxide Yield

CO Yield

Carbon Monoxide Yield

Smoke Extinction Area

Smoke specific extinction area i

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Building and Fire Research Laboratory
National Institute of Standards and Technology
Gaithersburg, MD 20899