TAROMID A 280 G4

About
Polyamide 66 medium viscosity 20% glass fibres reinforced, good mechanical and thermal properties. UL94 HB approuved at 0,75 mm – NC (HW version only). Available: all colors, UV-stabilized (L), heat stabilized (H), release agent (W).&&

Product Description
GenericPA66
Material StatusCommercial: Active
FeaturesWeather resistance is good,Good stripping performance,Heat Stabilized,HB
AvailabilitysEurope
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.24 to 1.26g/cm³ISO 1183
Melt Flow Rate
280℃,2.16kg14g/10minASTM D1238,ISO 1133
Shrinkage rate 
TD1.2 to 1.6%
MD0.50 to 0.60%
Water absorption rate ISO 62
23℃,24hr0.80%ISO 62
Saturation, 23 ℃6.0%ISO 62
Granule Humidity< 0.15%Internal Method

MECHANICALNominal valueUnitTest method
Tensile modulus7200MPaISO 527-1-2
tensile strength
fracture130MPaISO 527-2/50
Tensile strain
fracture3.0%ISO 527-2/50
Bending modulus6600MPaISO 178
bending strength200MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃4.5kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-25℃20kJ/m²ISO 179/1eU
23℃30kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch
23℃60J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed230ISO 75-2/A
Continuous use temperature IEC 60216
90.0IEC 60216
130IEC 60216
140IEC 60216
180IEC 60216
Vicat Softening Temp 
A50254ISO 306/A50
B50250ISO 306
Melting temperature256ISO 11357-3
Linear coefficient of thermal expansion
MD:-30~30℃4.0E-51/℃ISO 11359-2

Electrical performanceNominal valueUnitTest method
Volume resistivity8.0E+15ohms·cmIEC 60093
Dielectric strength
2 mm22kV/mmIEC 60243-1
Dielectric constant4.10 IEC 60250
Compared to the leakage tracing index
Solution A500VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
0.75 mmHB UL 94
Igniting temperature of the hot wire
2 mm750IEC 60695-2-13
Extreme oxygen index26%ASTM D2863

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 270°C
Mold temperature80 to 100°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0.039 in/min
3. 120°C/hr
4. 20000 hrs
5. Heat Stabilized, 20000 hrs
6. Short Term
7. Heat Stabilized, Short Term
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