Vydyne® R550

About
Vydyne R550 is general-purpose, hydrolysis-resistant, 50% glass-fiber reinforced PA66 resin. Available in natural, it is also lubricated for improved flow and offers superior surface appearance. Glass-reinforced Vydyne resins provide higher heat distortion temperature, resistance to creep and better dimensional stability when compared with unreinforced PA66. These products have good chemical resistance to a broad range of chemicals including gasoline, hydraulic fluids and most solvents.&&

Product Description
SupplierAscend
GenericPA66
Material StatusCommercial: Active
FeaturesGood Rigidity,Hydrolysis stability,Good liquidity,Good stripping performance,Lubricating,HB
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.58g/cm³ISO 1183
Shrinkage rate ISO 294-4
TD:23℃,2.0 mm0.90%ISO 294-4
MD:23℃,2.0 mm0.40%ISO 294-4
Water absorption rate
Equilibrium, 23 ℃, 50% RH1.2%ISO 62
23℃,24hr0.50%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus
23℃16800MPaISO 527-2
tensile strength
Fracture, 23 ℃240MPaISO 527-2
Tensile strain
Fracture, 23 ℃2.5%ISO 527-2
Bending modulus
23℃16000MPaISO 178
bending strength
23℃350MPaISO 178
Poisson’s ratio0.40 ISO 527-2

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃14kJ/m²ISO 179/1eA
23℃15kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃91kJ/m²ISO 179/1eU
23℃95kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch ISO 180
-30℃16kJ/m²ISO 180
23℃17kJ/m²ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed255ISO 75-2/A
0.45 MPa, unannealed260ISO 75-2/B
Melting temperature260ISO 11357-3
Linear coefficient of thermal expansion
TD:23~55℃,2 mm1.0E-41/℃ISO 11359-2
MD:23~55℃,2 mm1.2E-51/℃ISO 11359-2
0.75 mm125UL 746
1.5 mm125UL 746
3.0 mm125UL 746
Relative temperature index
Electrical performance UL 746
Strength mechanical performance UL 746
Impact mechanical performance UL 746
0.75 mm110UL 746
1.5 mm110UL 746
3.0 mm110UL 746
0.75 mm130UL 746
1.5 mm130UL 746
3.0 mm130UL 746

Electrical performanceNominal valueUnitTest method
Volume resistivity
0.75 mm1.0E+13ohms·cmIEC 60093
Dielectric strength
1 mm22kV/mmIEC 60243
Arc resistance
3.0 mmPLC 5 ASTM D495
Compared to the leakage tracing index
3.00 mm600VIEC 60112
High Arc Burning Index (HAI) UL 746
0.75 mmPLC 0 UL 746
1.5 mmPLC 0 UL 746
3.0 mmPLC 0 UL 746
High voltage arc marking rate
HVTRPLC 1 UL 746
Hot wire ignition
HWI UL 746
0.75 mmPLC 4 UL 746
1.5 mmPLC 4 UL 746
3.0 mmPLC 4 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
0.75 mmHB UL 94
1.50 mmHB UL 94
3.00 mmHB UL 94

Supplementary informationNominal valueUnitTest method
Automotive materials
thickness d = 1mm+ FMVSS 302

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80°C
Drying time4.0hr
Proposed maximum recycled material ratio25%
Barrel rear temperature280 to 310°C
Barrel middle temperature280 to 310°C
Barrel front temperature280 to 310°C
Nozzle temperature280 to 310°C
Processing (melt) temperature285 to 305°C
Mold temperature65 to 95°C

Notes
1. Typical properties: these are not to be construed as specifications.
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