LEXAN™ 牌号 IR2240 种类 PC
产品说明 Mid-flow polycarbonate resin with mold release. FDA food contact compliant. Available in limited transparent tints, limited package types, and must meet minimum order quantity requirements.

SABIC LEXAN™ PC IR2240 物性表

属性典型值UNITS测试手段
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min63MPaASTM D638
Tensile Stress, brk, Type I, 50 mm/min68MPaASTM D638
Tensile Strain, yld, Type I, 50 mm/min7%ASTM D638
Tensile Strain, brk, Type I, 50 mm/min130%ASTM D638
Tensile Modulus, 5 mm/min2410MPaASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span97MPaASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span2340MPaASTM D790
Tensile Stress, yield, 50 mm/min63MPaISO 527
Tensile Stress, break, 50 mm/min70MPaISO 527
Tensile Strain, yield, 50 mm/min6%ISO 527
Tensile Strain, break, 50 mm/min110%ISO 527
Tensile Modulus, 1 mm/min2350MPaISO 527
Flexural Stress, yield, 2 mm/min90MPaISO 178
Flexural Modulus, 2 mm/min2300MPaISO 178
IMPACT
Izod Impact, unnotched, 23°C3204J/mASTM D4812
Izod Impact, notched, 23°C800J/mASTM D256
Tensile Impact Strength, Type S577kJ/m²ASTM D1822
Instrumented Dart Impact Total Energy, 23°C63JASTM D3763
Izod Impact, notched 80*10*4 +23°C12kJ/m²ISO 180/1A
Izod Impact, notched 80*10*4 -30°C10kJ/m²ISO 180/1A
Charpy 23°C, Unnotch Edgew 80*10*4 sp=62mmNBkJ/m²ISO 179/1eU
THERMAL
Vicat Softening Temp, Rate B/50154°CASTM D1525
HDT, 0.45 MPa, 6.4 mm, unannealed137°CASTM D648
HDT, 1.82 MPa, 6.4 mm, unannealed132°CASTM D648
CTE, -40°C to 40°C, flow6.84E-051/°CASTM E831
CTE, -40°C to 40°C, xflow6.65E-051/°CASTM E831
CTE, -40°C to 40°C, flow6.84E-051/°CISO 11359-2
CTE, -40°C to 40°C, xflow6.65E-051/°CISO 11359-2
Vicat Softening Temp, Rate B/50143°CISO 306
Vicat Softening Temp, Rate B/120142°CISO 306
HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm125°CISO 75/Ae
PHYSICAL
Specific Gravity1.2-ASTM D792
Mold Shrinkage, flow, 3.2 mm0.5-0.7%SABIC method
Melt Flow Rate, 300°C/1.2 kgf10.5g/10 minASTM D1238
Density1.2g/cm³ISO 1183
Water Absorption, (23°C/saturated)0.35%ISO 62-1
Moisture Absorption (23°C / 50% RH)0.15%ISO 62
Melt Volume Rate, MVR at 300°C/1.2 kg9cm³/10 minISO 1133
FLAME CHARACTERISTICS
UL Yellow Card LinkE121562-220863--
Injection Molding
Drying Temperature120°C
Drying Time3-4Hrs
Drying Time (Cumulative)48Hrs
Maximum Moisture Content0.02%
Melt Temperature295-315°C
Nozzle Temperature290-310°C
Front - Zone 3 Temperature295-315°C
Middle - Zone 2 Temperature280-305°C
Rear - Zone 1 Temperature270-295°C
Mold Temperature70-95°C
Back Pressure0.3-0.7MPa
Screw Speed40-70rpm
Shot to Cylinder Size40-60%
Vent Depth0.025-0.076mm
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