Radel® R-7159

About
Radel® R-7159 polyphenylsulfone (PPSU) was developed specifically for aircraft interior applications. The product complies with the FAA regulation 14CFR Part 25 Appendix F, offering vertical burn resistance, very low smoke generation and, through the use of proprietary additives, low heat release values in the Ohio State University (OSU) rate of heat release method. It also generates low flaming-mode toxic gas emissions. The material offers good resistance to most fluids found in the aviation industry. It is available in pigmented grades to match OEM color standards and in a natural-color grade that is designed to accept aircraft paint systems for aesthetic parts. Painting enhances the chemical resistance of the polymer and provides the final step in color coordination. Natural: Radel® R-7159 NT 50 Black: Radel® R-7159 BK 937&&

Product Description
SupplierSolvay
GenericPPSU
Material StatusCommercial: Active
FeaturesExcellent Processability,Good flexibility,Low smoke,High liquidity,Sprayable,Flame Characteristics,Low toxicity,Solvent resistance,Resistance to detergents
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.35g/cm³ASTM D792
Melt Flow Rate
380℃,2.16kg22g/10minASTM D1238

MECHANICALNominal valueUnitTest method
Tensile modulus2280MPaASTM D638
tensile strength
yield74.5MPaASTM D638
Tensile strain
fracture30 to 50%ASTM D638
Bending modulus2480MPaASTM D790
bending strength101MPaASTM D790

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch130J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed200ASTM D648

FLAME CHARACTERISTICSNominal valueUnitTest method
OSU peak heat release rate< 55.0kW/m²FAR 25, AppF
OSU total heat release (2 minutes)< 20.0kW·min/m²FAR 25, AppF
Vertical combustion -60 seconds FAR 25.853
Droplet combustion time无滴漏 FAR 25.853
Burning time0.0hrFAR 25.853
length< 7.62cmFAR 25.853
Toxic gas emissions BSS 7239/ATS 1000/ABD 0031
CO< 10ppmBSS 7239/ATS 1000/ABD 0031
HCL< 1ppmBSS 7239/ATS 1000/ABD 0031
HCN< 1ppmBSS 7239/ATS 1000/ABD 0031
HF< 1ppmBSS 7239/ATS 1000/ABD 0031
NO+NO2< 1ppmBSS 7239/ATS 1000/ABD 0031
SO2< 1ppmBSS 7239/ATS 1000/ABD 0031
Smoke density
Dmax, 4 minutes< 5.0DsFAR 25, AppF

Process Conditions
injectionNominal valueUnitTest method
Drying temperature149 to 177°C
Drying time4.0hr
Barrel rear temperature354 to 371°C
Barrel middle temperature360 to 377°C
Barrel front temperature366 to 382°C
Nozzle temperature360 to 377°C
Processing (melt) temperature366 to 388°C
Mold temperature107 to 163°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Flammability test results are not intended to reflect hazards presented by these or any other material under actual fire conditions.
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