LEXAN™ 牌号 OQ3820 种类 PC
产品说明 High Viscosity, UV-stabilized grade for ophthalmic lenses.

SABIC LEXAN™ PC OQ3820 物性表

属性典型值UNITS测试手段
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min62MPaASTM D638
Tensile Stress, brk, Type I, 50 mm/min72MPaASTM D638
Tensile Strain, yld, Type I, 50 mm/min6.3%ASTM D638
Tensile Strain, brk, Type I, 50 mm/min125%ASTM D638
Tensile Modulus, 50 mm/min2270MPaASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span93MPaASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span2410MPaASTM D790
Tensile Stress, yield, 50 mm/min61MPaISO 527
Tensile Stress, break, 50 mm/min71MPaISO 527
Tensile Strain, yield, 50 mm/min6%ISO 527
Tensile Strain, break, 50 mm/min140%ISO 527
Tensile Modulus, 1 mm/min2400MPaISO 527
Flexural Stress, yield, 2 mm/min94MPaISO 178
Flexural Modulus, 2 mm/min2200MPaISO 178
IMPACT
Izod Impact, notched, 23°C918J/mASTM D256
Izod Impact, notched, -30°C14J/mASTM D256
Instrumented Dart Impact Total Energy, 23°C85JASTM D3763
Izod Impact, unnotched 80*10*3 +23°CNBkJ/m²ISO 180/1U
Izod Impact, unnotched 80*10*3 -30°CNBkJ/m²ISO 180/1U
Izod Impact, notched 80*10*3 +23°C70kJ/m²ISO 180/1A
Izod Impact, notched 80*10*3 -30°C12kJ/m²ISO 180/1A
Charpy 23°C, V-notch Edgew 80*10*3 sp=62mm75kJ/m²ISO 179/1eA
Charpy -30°C, V-notch Edgew 80*10*3 sp=62mm15kJ/m²ISO 179/1eA
Charpy 23°C, Unnotch Edgew 80*10*3 sp=62mmNBkJ/m²ISO 179/1eU
Charpy -30°C, Unnotch Edgew 80*10*3 sp=62mmNBkJ/m²ISO 179/1eU
THERMAL
Vicat Softening Temp, Rate B/50150°CASTM D1525
HDT, 0.45 MPa, 3.2 mm, unannealed139°CASTM D648
HDT, 1.82 MPa, 3.2mm, unannealed129°CASTM D648
CTE, -40°C to 40°C, flow7.74E-051/°CASTM E831
CTE, -40°C to 40°C, xflow7.74E-051/°CASTM E831
CTE, -40°C to 40°C, flow7.6E-051/°CISO 11359-2
CTE, -40°C to 40°C, xflow7.89E-051/°CISO 11359-2
Ball Pressure Test, 75°C +/- 2°CP-IEC 60695-10-2
Vicat Softening Temp, Rate B/50143°CISO 306
Vicat Softening Temp, Rate B/120144°CISO 306
HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm126°CISO 75/Ae
PHYSICAL
Specific Gravity1.19-ASTM D792
Mold Shrinkage, flow, 3.2 mm0.6-0.8%SABIC method
Mold Shrinkage, xflow, 3.2 mm0.5-0.7%SABIC method
Melt Flow Rate, 300°C/1.2 kgf7.4g/10 minASTM D1238
Density1.2g/cm³ISO 1183
Water Absorption, (23°C/saturated)0.32%ISO 62-1
Moisture Absorption (23°C / 50% RH)0.15%ISO 62
Melt Volume Rate, MVR at 300°C/1.2 kg6cm³/10 minISO 1133
Injection Molding
Drying Temperature120°C
Drying Time3-4Hrs
Drying Time (Cumulative)48Hrs
Maximum Moisture Content0.02%
Melt Temperature310-330°C
Nozzle Temperature305-325°C
Front - Zone 3 Temperature310-330°C
Middle - Zone 2 Temperature300-320°C
Rear - Zone 1 Temperature290-310°C
Mold Temperature80-115°C
Back Pressure0.3-0.7MPa
Screw Speed40-70rpm
Shot to Cylinder Size40-60%
Vent Depth0.025-0.076mm
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