LEXAN™ Homopolymer HPS7

About
Low flow polycarbonate. For medical devices and pharmaceutical applications. Healthcare management of change, biocompatible (ISO10993 or USP Class VI). EtO, steam, e-beam, and gamma sterilizable. Contains mold release.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesLow liquidity,Steam sterilized,E-beam disinfection,Biocompatible,Radiation disinfection,Ethylene oxide disinfection
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density
1.20g/cm³ASTM D792
1.19g/cm³ISO 1183
Melt Flow Rate
300℃,1.20kg5.0g/10min
300℃,5.0kg24g/10min
Melt Volume Rate
300℃,1.2 kg5.00cm³/10minISO 1133
Shrinkage rate
MD0.50 to 0.70%
MD:3.2 mm0.50 to 0.70%
TD:3.2 mm0.50 to 0.70%
Water absorption rate
24hr0.14%ASTM D570
Saturation, 23 ℃0.26%ISO 62
Equilibrium, 23 ℃, 50% RH0.10%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus
2270MPaASTM D638
2450MPaISO 527-1-2
tensile strength
yield62.0MPaASTM D638
yield61.0MPaISO 527-2/50
fracture72.0MPaASTM D638
fracture71.0MPaISO 527-2/50
Tensile strain
yield6.5%ASTM D638
yield5.9%ISO 527-2/50
fracture130%ASTM D638
fracture130%ISO 527-2/50
Bending modulus
50 mm span2340MPaASTM D790
2200MPaISO 178
bending strength
95.0MPaISO 178
Yield, 50 mm span100MPaASTM D790

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
-30℃15kJ/m²
23℃75kJ/m²
Charpy Unnotch Impact strength
-30℃无断裂 
23℃无断裂 
Impact strength of cantilever beam notch
-30℃790J/mASTM D256
23℃940J/mASTM D256
-30℃15kJ/m²ISO 180-1A
23℃75kJ/m²ISO 180-1A
Notched impact strength of cantilever beam
23℃2700J/mASTM D4812
-30℃无断裂 ISO 180/1U
23℃无断裂 ISO 180/1U
Dart impact equipped with measuring instruments
23℃,Total Energy82.0JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed, 3.2 mm141ASTM D648
0.45 MPa, unannealed, 6.4 mm141ASTM D648
1.8 MPa, unannealed, 3.2 mm129ASTM D648
1.8 MPa, unannealed, 6.4 mm132ASTM D648
1.8 MPa, unannealed, 4.0 mm, 64 mm span128ISO 75-2/Af
Vicat Softening Temp
145ASTM D1525 12
B120146ISO 306/B120
Ball pressure test
73~77℃通过 IEC 60695-10-2
Linear coefficient of thermal expansion
MD:-40~40℃6.6E-51/℃ASTM E831
TD:-40~40℃7.5E-51/℃ASTM E831
TD:-40℃7.5E-51/℃ISO 11359-2

Process Conditions
injectionNominal valueUnitTest method
Drying temperature120°C
Drying time3.0 to 4.0hr
Recommended maximum moisture content0.020%
Recommended injection volume40 to 60%
Barrel rear temperature290 to 310°C
Barrel middle temperature300 to 320°C
Barrel front temperature310 to 330°C
Nozzle temperature305 to 325°C
Processing (melt) temperature310 to 330°C
Mold temperature80 to 115°C
Back pressure0.300 to 0.700MPa
Screw speed40 to 70rpm
Vent depth0.025 to 0.076mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. Tensile Bar
3. 2.0 in/min
4. Type I, 2.0 in/min
5. 0.051 in/min
6. 0.079 in/min
7. at Yield
8. 80*10*3 sp=62mm
9. 80*10*3 mm
10. 80*10*4 mm
11. Rate A (50°C/h), Loading 2 (50 N)
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