LEXAN™ HFD4472 resin

About
LEXAN HFD4472 is a 20% glass filled, medium flow, impact modified, injection moldable grade designed for high flow and superior surface appearance. HFD4472 has enhanced mold release, impact ductility and broad color space.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesGood surface appearance,High impact resistance,Ductility,Good stripping performance,Moderate liquidity,HB
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.33g/cm³ASTM D792
Density1.33g/cm³ISO 1183
Melt Flow Rate
300℃,1.20kg10g/10minASTM D1238
Melt Volume Rate
300℃,1.2 kg9.00cm³/10minISO 1133
Shrinkage rate
TD:3.2 mm0.40 to 0.50%Internal Method
MD:3.2 mm0.20 to 0.30%Internal Method
Water absorption rate
Saturation, 23 ℃0.12%ISO 62
Equilibrium, 23 ℃, 50% RH0.040%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus5500MPaASTM D638
tensile strength
fracture56.0MPaASTM D638
fracture56.0MPaISO 527-2/5
yield54.0MPaASTM D638
yield54.0MPaISO 527-2/5
Tensile strain
fracture2.0%ISO 527-2/5
yield2.0%ASTM D638
Bending modulus
50 mm span4900MPaASTM D790
bending strength
Yield, 50 mm span93.0MPaASTM D790

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃13kJ/m²ISO 179/1eA
23℃21kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃59kJ/m²ISO 179/1eU
23℃59kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch ISO 180/1A
23℃800J/mASTM D4812
23℃190J/mASTM D256
-30℃13kJ/m²ISO 180-1A
23℃18kJ/m²ISO 180-1A
Notched impact strength of cantilever beam ISO 180/1U
-30℃43kJ/m²ISO 180/1U
23℃47kJ/m²ISO 180/1U
Dart impact equipped with measuring instruments
23℃,Total Energy30.0JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 3.2 mm128ASTM D648
0.45 MPa, unannealed, 3.2 mm132ASTM D648
Vicat Softening Temp
B120135ISO 306/B120
Ball pressure test
125℃Pass IEC 60695-10-2
Linear coefficient of thermal expansion
TD:23~80℃8.0E-51/℃ISO 11359-2
TD:-40~40℃8.0E-51/℃ASTM E831
MD:23~80℃3.0E-51/℃ISO 11359-2
MD:-40~40℃3.0E-51/℃ASTM E831
Relative temperature index
Electrical performance80.0UL 746
Strength mechanical performance80.0UL 746
Impact mechanical performance80.0UL 746

Electrical performanceNominal valueUnitTest method
Dielectric constant
1.9 GHz3.16 Internal Method
Dissipation factor
1.9 GHz9.9E-3 Internal Method

FLAME CHARACTERISTICSNominal valueUnitTest method
0.40 mmHB UL 94

Process Conditions
injectionNominal valueUnitTest method
Drying temperature121°C
Drying time3.0 to 4.0hr
Drying time, maximum48hr
Recommended maximum moisture content0.020%
Recommended injection volume40 to 60%
Barrel rear temperature266 to 288°C
Barrel middle temperature277 to 299°C
Barrel front temperature288 to 310°C
Nozzle temperature282 to 304°C
Processing (melt) temperature288 to 310°C
Mold temperature71 to 93°C
Back pressure0.345 to 0.689MPa
Screw speed40 to 70rpm
Vent depth0.025 to 0.076mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0.20 in/min
3. Type I, 0.20 in/min
4. 0.051 in/min
5. 80*10*3 sp=62mm
6. 80*10*3 mm
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