TAROMID A 280

About
Polyamide 66 medium viscosity, general purpose. Available: all colors, lubricated (W), heat stabilized (H) and UV-stabilized (L), laser printable (LP)improved glyco-hydrolysis stability (I).&&

Product Description
GenericPA66
Material StatusCommercial: Active
FeaturesWeather resistance is good,Hydrolysis stability,Lubricating,Laser engraving,Heat Stabilized,V-2
AvailabilitysEurope
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.13 to 1.15g/cm³ASTM D792 , ISO 1183
Melt Flow Rate
280℃,1.20kg30g/10minASTM D1238,ISO 1133
Shrinkage rate ASTM D955
MD1.6 to 2.2%ASTM D955
TD1.6 to 2.5%ASTM D955
Water absorption rate 
23℃,24hr1.0%ASTM D570,ISO 62
saturated7.0%ASTM D570
Saturation, 23 ℃7.0%ISO 62
Granule Humidity< 0.15%Internal Method

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃4.0kJ/m²ASTM D256,ISO 179
Charpy Unnotch Impact strength ISO 179 , ASTM D256
-20℃> 300kJ/m²ASTM D256,ISO 179
23℃> 300kJ/m²ASTM D256,ISO 179
Impact strength of cantilever beam notch ASTM D256 , ISO 180
-20℃,3.2mm30J/mASTM D256,ISO 180
23℃,3.2mm42J/mASTM D256,ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed90.0ASTM D648,ISO 75-2/A
Continuous use temperature IEC 60216
90.0IEC 60216
120IEC 60216
130IEC 60216
160IEC 60216
Vicat Softening Temp 
A50254ASTM D1525,ISO 306
B50240ASTM D1525 8 , ISO 306/B50 8
Ball pressure test
165℃通过 VDE 0470
Melting temperature256ASTM D211,ISO 121
Linear coefficient of thermal expansion
MD:-30~30℃8.0E-51/℃ASTM D696

Electrical performanceNominal valueUnitTest method
Volume resistivity9.0E+15ohms·cmASTM D257
Dielectric strength
2 mm24kV/mmASTM D149
Compared to the leakage tracing index IEC 60112
Solution A> 600VIEC 60112
Solution B600VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
1.60 mmV-2 UL 94
Igniting temperature of the hot wire
2 mm750IEC 60695-2-13
Extreme oxygen index26%ASTM D2863

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level121 ASTM D785
Tensile modulus3100MPaASTM D638 , ISO 527-2
tensile strength ASTM D638 , ISO 527-2
yield88.0MPaASTM D638 , ISO 527-2
fracture85.0MPaASTM D638 , ISO 527-2
Tensile strain
fracture60%ASTM D638 , ISO 527-2
Bending modulus3100MPaASTM D790 , ISO 178
bending strength 
130MPaISO 178
fracture130MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
Drying temperature  
80 to 90°C
Pre-drying equipment80 to 100°C
Drying time  
1.0hr
Pre-drying equipment3.0hr
Processing (melt) temperature250 to 280°C
Mold temperature70 to 90°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. 6x4x50 mm
3. 20000 hrs
4. Short Term
5. Heat Stablized, 20000 hrs
6. Heat Stabilzed, Short Term
7. Rate A (50°C/h), Loading 1 (10 N)
8. Rate A (50°C/h), Loading 2 (50 N)
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