LEXAN™ HF1840R resin

About
LEXAN HF1840R polycarbonate resin, MVR (300C/1.2kg) 36 cm3/10min, extreme low viscosity, injection molding, mold release, transparent. FDA foodcontact compliant in limited colors. FDA 21CFR177.1580, European food contacto regulation EC Directive 2002/72/EC.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesLow Viscosity,Food contact compliance
AvailabilitysEurope
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.20g/cm³ISO 1183
Melt Volume RateISO 1133
250℃,1.2 kg6.00cm³/10min
300℃,1.2 kg36.0cm³/10min
Shrinkage rate
MD0.50 to 0.70%Internal Method
Water absorption rateISO 62
Saturation, 23 ℃0.35%
Equilibrium, 23 ℃, 50% RH0.15%

IMPACTNominal valueUnitTest method
Charpy Notched Impact StrengthISO 179/1eA
-30℃11kJ/m²
23℃55kJ/m²
Charpy Unnotch Impact strengthISO 179/1eU
-30℃无断裂
Impact strength of cantilever beam notchISO 180/1A
Notched impact strength of cantilever beamISO 180/1U
23℃无断裂

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed, 100 mm span133ISO 75-2/Be
0.45 MPa, unannealed, 64 mm span130ISO 75-2/Bf
1.8 MPa, unannealed, 100 mm span121ISO 75-2/Ae
1.8 MPa, unannealed, 64 mm span120ISO 75-2/Af
Vicat Softening Temp
A50145ISO 306/A50
B50139ISO 306
B120140ISO 306/B120
Ball pressure test
125℃PassIEC 60695-10-2
Linear coefficient of thermal expansion
MD:23~80℃7.0E-51/℃ISO 11359-2
Thermal conductivity coefficient0.20W/m/KISO 8302
Relative temperature index80.0UL 746
Electrical performance80.0UL 746
Impact mechanical performance80.0UL 746

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Volume resistivity> 1.0E+15ohms·cmIEC 60093
Dielectric strengthIEC 60243-1
0.8 mm in oil35kV/mm
1.6 mm in oil27kV/mm
3.2 mm in oil17kV/mm
Relative permittivityIEC 60250
50 Hz2.70
60 Hz2.70
1 MHz2.70
Dissipation factorIEC 60250
50 Hz1.0E-3
60 Hz1.0E-3
1 MHz0.010

optical performanceNominal valueUnitTest method
Refractive index1.586ISO 489
Transmittance
2540 µm88.0 to 90.0%ASTM D1003
Haze
2540 µm< 0.80%ASTM D1003

MECHANICALNominal valueUnitTest method
Ball hardness
H358/3095.0MPaISO 2039-1
Tensile modulus2300MPaISO 527-1-2
tensile strengthISO 527-2/50
yield60.0MPa
fracture55.0MPa
Tensile strainISO 527-2/50
yield6.0%
fracture70%
Bending modulus2300MPaISO 178
bending strength85.0MPaISO 178
Taber abraser
1000 cycles, 1000 g, CS-17 wheels10.0mgInternal Method

Process Conditions
injectionNominal valueUnitTest method
Drying temperature120°C
Drying time2.0 to 4.0hr
Recommended maximum moisture content0.020%
Hopper temperature60.0 to 80.0°C
Barrel rear temperature260 to 280°C
Barrel middle temperature270 to 290°C
Barrel front temperature280 to 300°C
Nozzle temperature270 to 290°C
Processing (melt) temperature280 to 300°C
Mold temperature80.0 to 100°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Tensile Bar
3. 0.079 in/min
4. Yield
5. 80*10*3 sp=62mm
6. 80*10*3
7. 120*10*4 mm
8. 80*10*4 mm
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