VENYL SG407 – 7731

About
VENYL SG407 – 7731 is a 40 % glass fibre reinforced polyamide 6 intended for Injection moulding. APPLICATIONS VENYL SG407 – 7731 has been developed especially for very demanding applications in automotive industry and electrical parts. Products requiring excellent combination between thermal and mechanical properties. VENYL SG407 – 7731 is available in both grey and natural (VENYL SG407) but other colours can be provided on request.&&

Product Description
GenericPA6
Material StatusCommercial: Active
FeaturesRenewable resources,HB
AvailabilitysEurope
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.43g/cm³ISO 1183
Shrinkage rate0.30 to 0.70%
Water absorption rate
Equilibrium, 23 ℃, 50% RH1.8%

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength16kJ/m²ISO 179
Charpy Unnotch Impact strength50kJ/m²ISO 179

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed205ISO 75-2/A
0.45 MPa, unannealed215ISO 75-2/B
Melting temperature
DSC220ISO 3146

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+13ohmsDIN 53482
Volume resistivity1.0E+14ohms·cmDIN 53482
Compared to the leakage tracing index
Solution A500VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
1.60 mmHB UL 94
Glowing wire flammability index
2.0 mm650IEC 60695-2-12

MECHANICALNominal valueUnitTest method
Tensile modulus10500MPaISO 527-2
tensile strength
fracture195MPaISO 527-2
Tensile strain
fracture3.0%ISO 527-2
Bending modulus9500MPaISO 178
bending strength300MPaISO 178
Rockwell hardness
Level L106 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Barrel rear temperature245 to 265°C
Barrel middle temperature250 to 270°C
Barrel front temperature255 to 275°C
Nozzle temperature255 to 275°C
Mold temperature90 to 120°C
Injection pressure85.0 to 110MPa
Injection speedFast 
Hold pressure50.0 to 70.0MPa
Screw length to diameter ratio15.0:1.0 to 20.0:1.0 

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