FASTData January 1999 Release

Test Type: Cone Calorimeter, Test Number: T5632, Description File: t5632



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:T5632
Tested by:Jack Lee
Approved by
Scientific Officer:
James Brown

Test Results (summary)

Mass Lost:2907.17 g/m2 Total Heat Released:82.0778 MJ/m2
Peak RHR:353.891 kW/m2Peak Mass Loss Rate:12.4424 g/m2s

Summary Data From Ignition

Units Test Mean 60 s 180 s 300 s
Heat Release kW/m2 221.888 191.711 264.225 257.286
Mass Loss Rate g/m2s 0.00953558 0.00601505 0.00898567 0.00871314
Heat of CombustionMJ/kg27836000 30.0917 28.7582 29.3088
Specific Ext. Aream2/kg - - - -
Carbon Dioxidekg/kg 1.9814 2.36707 2.28164 2.23584
Carbon Monoxidekg/kg 0.0534417 0.0431553 0.0514637 0.0594378

Observations and Comments

Flaming out time 10 Minutes and 19 seconds
Stopped test at 12 minutes and 9 seconds
Sample started to smoke at 2 minutes and 20 seconds
Sample started to flashing at 3 minutes and 20 seconds
No soot collected-TUH is down-Spark ignited used

Details of Test Procedure Used

Heat Flux: 30 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: 0.0116 g Time of Peak RHR: 435 s
Final Mass: - Peak RHR: 353.891 kW/m2
Mass Lost: 2907.17 g/m2 Peak Mass Loss Rate: 12.4424 g/m2s
Ignition Time:246 s Peak Extinction Area:-
Flameout Time:621 s Total Heat Released: 82.0778 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Publication Status:Unpublished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

Mass Loss Rate Per Unit Area

CO2 Yield

CO Yield

Smoke Extinction Area


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