Ultramid® A 20 V25 NATURAL

About
TECHNYL® A 20 V25 Natural is a Red Phosphorous flame retardant polyamide 66, reinforced with 25% of glass fiber, heat stabilized, for injection moulding. This grade provides robust UL 94 V-0 and a full UL yellow card while offering good mechanical properties. This grade is suitable for moulding insulating parts for electrical devices, and more generally for thin parts under stress.&&

Product Description
SupplierBASF
GenericPA66
Material StatusCommercial: Active
FeaturesFlame Characteristics,Heat Stabilized,V-0
AvailabilitysEurope,Asia Pacific,North America,Africa & Middle East ,Latin America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.38g/cm³ISO 1183/A
Water absorption
Equilibrium, 23 ℃, 50% RH2.1%ISO 62
23℃,24hr0.75%ISO 62
Molding shrinkage
Parallel0.35%
Vertical normal1.2%

MECHANICALNominal valueUnitTest method
Tensile modulus
23 ℃, dry9400MPaISO 527-2/1A
6300MPaISO 527-2/1A
Tensile Strength
Break, 23 ℃, dry dry150MPaISO 527-2/1A
Break, 23 ℃, wet cond100MPaISO 527-2/1A
Tensile Strain
Fracture, 23 ℃, dry dry2.5%ISO 527-2
Fracture, 23 ℃, wet cond5.2%ISO 527-2
Flexural modulus
23 ℃, dry8500MPaISO 178
23 ℃, moist cond5700MPaISO 178
Flexural strength
23 ℃, dry255MPaISO 178
23 ℃, moist cond170MPaISO 178

IMPACTNominal valueUnitTest method
Charpy notched impact strength 
-30 ℃, dry7.0kJ/m²ISO 179/1eA
23 ℃, dry8.0kJ/m²ISO 179/1eA
23 ℃, moist cond9.0kJ/m²ISO 179/1eA
Charpy impact strength of simply supported beams ISO 179/1eU
-30 ℃, dry50kJ/m²ISO 179/1eU
23 ℃, dry55kJ/m²ISO 179/1eU
23 ℃, moist cond60kJ/m²ISO 179/1eU
Izod notched impact strength
23 ℃, dry8.0kJ/m²ISO 180/1A
23 ℃, moist cond9.0KJ/m²ISO 180/1A

THERMALNominal valueUnitTest method
Hot deformation temperature HDT
1.8 MPa, unannealed244ISO 75-2/-1
Melting temperature263ISO 11357-1/-3

ELECTRICALNominal valueUnitTest method
Surface resistivity
Dry1E13ohmsIEC 62631-3-2
Wet Cond1E12ohmsIEC 62631-3-2
Volume resistivity
Dry1E13ohm·mIEC 62631-3-1
Wet Cond1E11ohm·mIEC 62631-3-1
Electric strength
0.8 mm30kV/mmIEC 60243-1
Relative permittivity 
Dry, 100Hz3.4IEC 62631-2-1
Wet Cond, 100Hz4IEC 62631-2-1
 
Dry0.02E-4IEC 62631-2-1
Wet Cond0.05E-4IEC 62631-2-1
Compared tracking index
Solution A400IEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
0.80 mmV-0calssUL 94
1.60 mmV-0calssUL 94
3.20 mmV-0calssUL 94
Glow Wire Flammability Index IEC 60695-2-12
0.80 mm960IEC 60695-2-12
1.6 mm960IEC 60695-2-12
3.2 mm960IEC 60695-2-12
1.6 mm725IEC 60695-2-13
31%ISO 4589-2
French Fire IndexF3 NF F16-101
French Smoke IndexI3 NF F16-101

Process Conditions
Injection moldingNominal valueUnitTest method
Drying Temperature80°C
Recommended maximum water content0.20%
Injection molding cylinder temperature 1265 to 275°C
Injection molding cylinder temperature 2270 to 280°C
Injection molding cylinder temperature 3280 to 290°C
Mold temperature60 to 90°CISO 294

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