德国巴斯夫ASA是由苯乙烯、丙烯腈和压克力橡胶共聚合而成,在技术上而言,ASA不仅维持了ABS之主要特性,并结合压克力耐候之优点,使得产品之应用上可延伸至户外之用途,继具有超过30年制造ABS之经验,ASA承继了奇美ABS之良好质量及特性,耐候性、长久使用性、色差稳定性、以及与PC/PVC良好之兼容性,使得ASA成为更广泛以及更***值树脂;凡汽车部件、建筑部品、户外运动用品、园艺部品、户外天线部品、电子电机产品、卫浴用品等等。此外ASA也减少了涂装及电镀二次加工之加工费用,使产品具有降低成本及环保之特色。
Luran SC KR2861/1C 物性表:
Property, Test ConditionStandardUnitValues
Rheological Properties | |||
Melt Volume Rate 220 °C/10 kg | *** 1133 | cm?/10 min | 3.5 |
Mechanical Properties | |||
Izod Notched Impact Strength, 4mm bar, 0.25mm Notch Radius, 23 °C | *** 180/A | kJ/m2 | 60 |
Izod Notched Impact Strength, 4mm bar, 0.25mm Notch Radius, -30 °C | *** 180/A | kJ/m2 | 15 |
Charpy Notched Impact Strength, 23° C | *** 179 | kJ/m? | 60 |
Tensile stress at yield, 23° C | *** 527 | MPa | 53 |
Tensile strain at yield, 23° C | *** 527 | % | 4.9 |
Tensile Modulus | *** 527 | MPa | 2300 |
Tensile Creep Modulus (1000h) | *** 899 | MPa | 1600 |
Tensile Creep Modulus (1h) | *** 899 | MPa | 2000 |
Elongation at Break (MD) | % | >50 | |
Flexural Strength | *** 178 | MPa | 78 |
Ball Indentation Hardness | *** 2039-1 | MPa | 95 |
Thermal Properties | |||
Vicat Softening Temperature VST/B/50 (50°C/h, 50N) | *** 306 | °C | 120 |
Vicat Softening Temperature, VST/A/50 (50°C/h, 10N) | *** 306 | °C | 136 |
Heat Deflection Temperature; (annealed) method Af, 1.8 MPa | *** 75 | °C | 106 |
Heat Deflection Temperature; (annealed) method Bf, 0.45 MPa | *** 75 | °C | 125 |
Linear Mold Shrinkage | *** 294-4 | % | 0.3 - 0.7 |
Coefficient of Linear Thermal Expansion | *** 11359 | 10-6/°C | 70 - 90 |
Thermal conductivity | DIN 52612-1 | W/(m K) | 0.17 |
Electrical Properties | |||
Dielectric Constant (100 Hz) | IEC 60250 | - | 3.4 |
Dissipation Factor (100 Hz) | IEC 60250 | - | 60 |
Dissipation Factor (1 MHz) | IEC 60250 | - | 150 |
Volume Resistivity | IEC 60093 | Ohm*m | 1E12 |
Surface Resistivity | IEC 60093 | Ohm | 1e+013 |
Other Properties | |||
Density | *** 1183 | kg/m3 | 1150 |
Water absorption saturated at 23°C | *** 62 | % | 0.9 |
Processing | |||
Processing (Melt) Temperature | *** 294 | °C | 260 - 300 |
Mold Temperature | *** 294 | °C | 80 |
Injection velocity | *** 294 | mm/s | 200 |
Drying Temperature | °C | 100 - 110 | |
Drying Time | hr | 2 - 4 |
ASA的加工条件:
A, 干燥:90-95℃,3小时,依以下变数而变(a)湿度(b)回收料比例(c)储存条件
B, 射出机套筒设定温度
D,射压50-70kg/cm²、保压40-60kg/cm²、背压5-15kg/cm²