FASTData January 1999 Release

Test Type: Cone Calorimeter, Test Number: T5756, Description File: t5756



Descriptions
FDMS: Obtaining Data
Documentation
Abstract:
Computer-Aided Molecular Design of Fire Resistant Aircraft Materials.
Material:PMMA
Lab:National Institute of Standards and Technology
Sponsor:National Institute of Standards and Technology
Date:1/12/1993
Test Ref No:T5756
Tested by:Jack Lee
Approved by
Scientific Officer:
James Brown

Test Results (summary)

Mass Lost:2891.43 g/m2 Total Heat Released:67.3458 MJ/m2
Peak RHR:552.008 kW/m2Peak Mass Loss Rate:23.0304 g/m2s

Summary Data From Ignition

Units Test Mean 60 s 180 s 300 s
Heat Release kW/m2 408.904 360.835 374.076 224.446
Mass Loss Rate g/m2s 0.0204205 0.0152901 0.0162082 0.0097249
Heat of CombustionMJ/kg24260900 22.4973 23.6416 23.6416
Specific Ext. Aream2/kg - - - -
Carbon Dioxidekg/kg 2.0853 2.59653 1.91181 1.14709
Carbon Monoxidekg/kg 0.0116688 0.00656002 0.0110204 0.00661222

Observations and Comments

Flaming out time at 5 minutes 24 seconds.
TUH is down
NO SOOT COLLECTED
Spark ignited used with pan holder-wool

Details of Test Procedure Used

Heat Flux: 20.1 kW/m2 Nominal Flow:24 l/s
Orifice Constant: 0.0423245 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:0.0028 m2

Test Results

Initial Mass: 0.0094 g Time of Peak RHR: 120 s
Final Mass: 0.00130399 g Peak RHR: 552.008 kW/m2
Mass Lost: 2891.43 g/m2 Peak Mass Loss Rate: 23.0304 g/m2s
Ignition Time:39 s Peak Extinction Area:-
Flameout Time:207 s Total Heat Released: 67.3458 MJ/m2

Test Quality Indicators

Publication Status:Unpublished
Statistical Basis of Data:Replicate data available for the same test method and 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