Axiall PVC UV-6676

About
AXIALL’s Georgia Gulf UV-6676 is a weatherable, high flow injection molding compound, specially formulated for outdoor UV exposure. This compound was designed to be used in various accessory parts, such as fence post caps, rain gutter parts, deck parts, etc.&&

Product Description
SupplierAxiall Corporation
GenericPVC,刚硬
Material StatusCommercial: Active
FeaturesWeather resistance is good,High liquidity
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.40g/cm³ASTM D792
Shrinkage rate
MD0.30 to 0.40%ASTM D955
Weathering resistancef2 UL 746C

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch ASTM D256
-20℃,3.2mm53J/mASTM D256
23℃,3.2mm960J/mASTM D256
Drop hammer impact
23℃14.7JASTM D3029
Falling impact resistance
23℃89.0J/cmASTM D4226

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed70.0ASTM D648
0.45 MPa, unannealed72.0ASTM D648
Relative temperature index
Electrical performance, 1.50 mm85.0UL 746
Strength mechanical performance, 1.50 mm85.0UL 746
Impact mechanical performance, 1.50 mm90.0UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelV-0 5VA UL 94
Extreme oxygen index35%ASTM D2863

MECHANICALNominal valueUnitTest method
Tensile modulus2210MPaASTM D638
tensile strength40.0MPaASTM D638
Bending modulus2280MPaASTM D790
bending strength65.5MPaASTM D790
Rockwell hardness
R-level97 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Drying temperature66°C
Drying time2.0 to 4.0hr
Drying time, maximum6.0hr
Recommended injection volume35 to 75%
Proposed maximum recycled material ratio50%
Barrel rear temperature163°C
Barrel middle temperature174 to 191°C
Barrel front temperature182 to 193°C
Nozzle temperature177 to 193°C
Processing (melt) temperature202 to 210°C
Mold temperature16 to 49°C
Injection pressure82.7 to 138MPa
Hold pressure48.3 to 82.7MPa
Back pressure0.345 to 1.38MPa
Screw speed25 to 80rpm
Clamping force3.4kN/cm²
Screw length to diameter ratio16.0:1.0 to 24.0:1.0 
Screw compression ratio1.5:1.0 to 2.5:1.0 

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