Ultramid® A 246M BLACK 21 N

About
TECHNYL® A 246M Black 21 N is an unfilled polyamide 6.6, impact modified, for injection moulding. This grade offers an excellent impact resistance, even at low temperature.&&

Product Description
SupplierBASF
GenericPA66
Material StatusCommercial: Active
FeaturesHB,low-temperature impact resistance,High impact resistance
AvailabilitysNorth America,Africa & Middle East ,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Molding shrinkage
Parallel1.6%ISO 294-4
Normal1.3%ISO 294-4
Water Absorption
24 h,23℃1.1%ISO 62
Density1080kg/m³ISO 1183

MECHANICALNominal valueUnitTest method
Tensile Modulus
Dry1900MPaISO 527
Wet Cond600MPaISO 527
Tensile Strength
Yield yld, 50 mm/min, dry dry47MPaISO 527-2
Yield yld, 50 mm/min, wet cond42MPaISO 527-2
Yield yld, 2 in/min50MPaASTM D638
Broken BRK, dry dry44MPaISO 527-2
Broken BRK, wet Cond35MPaISO 527-2
Tensile Strain
Yield yld, 50 mm/min, dry dry20%ISO 527
Yield yld, 50 mm/min, wet cond210%ISO 527
Elongation at Break80%ASTM D638
Flexural Modulus
Dry1800MPaISO 178
Wet Cond700MPaISO 178
Dry1800MPaASTM D790
Flexural Strength
Dry70MPaISO 178
Wet Cond27MPaISO 178
Dry70MPaASTM D790

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
Dry, 23 ℃97kJ/m²ISO 179/1eA
Wet Cond, 23 ℃100kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength
-30℃16kJ/m²ISO 179/1eU
Izod Notched Impact strength
Dry, -30 ℃22KJ/m²ISO 180/1A
Dry, 23 ℃60KJ/m²ISO 180/1A
Wet Cond, 23 ℃80KJ/m²ISO 180/1A
Dry, 23 ℃100J/mISO 180/1A
Wet Cond, 23 ℃120J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature HDT
0.45 MPa200ISO 75-1/-2
1.80 MPa65ISO 75-1/-2
1.82 MPa63ISO 75-1/-2
Melting temperature263ISO 11357-3

ELECTRICALNominal valueUnitTest method
Surface Resistivity
Dry1E15ohmIEC 62631-3-2
Wet Cond1E14ohmIEC 62631-3-2
Volume Resistance
Dry1E13ohm·mIEC 62631-3-1
Wet Cond1E13ohm·mIEC 62631-3-1
Electric strength
Dry35kV/mmIEC 60243-1
Wet Cond22kV/mmIEC 60243-1
Relative permittivity
3.5E-4IEC 62631-2-1
4E-4IEC 62631-2-1
Dissipation Factor0.033
Compared Tracking Index
Dry575IEC 60112
Wet Cond600IEC 60112
Dry450IEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame Class Rating
1.6 mmHBcalssIEC 60695-11-10

Process Conditions
Injection MoldingNominal valueUnitTest method
Drying Temperature80
Maximum Moisture Content0.2%
Rear Temperature Zone 1265-275
Middle Temperature Zone 2270-280
Front Temperature Zone 3280-285
Mold Temperature60-80

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