| 产品特性：ML7681 | 是否进口：否 | 产地：上海 |
| 厂家(产地)：沙伯基础(原GE) | 牌号：ML7681 | 销售方式：品牌经销 |
| 类型：标准料 | 品名：ML7681 | 加工级别：注塑级 |
| 特性级别：标准级、 高抗冲、 高滑动 | 用途级别：电子电器部件、 家电部件 | 品牌：沙伯基础 |
| 产品规格：ML7681 |
Lexan* Resin ML7681 | Asia Pacific: DEVELOPMENTAL |
Polycarbonate with high flow, good processability, good impact and thermal properties, non-Chlorine and non-Bromine flame retardant, UL rated V-0 and V-1. Available in limited translucent colors only. |
Property |
| TYPICAL PROPERTIES (1) | ||||
MECHANICAL | Value | Unit | Standard | |
Tensile Stress, yld, Type I, 50 mm/min | 53 | MPa | ASTM D 638 | |
Tensile Stress, brk, Type I, 50 mm/min | 54 | MPa | ASTM D 638 | |
Tensile Strain, yld, Type I, 50 mm/min | 6 | % | ASTM D 638 | |
Tensile Strain, brk, Type I, 50 mm/min | 102 | % | ASTM D 638 | |
Tensile Modulus, 50 mm/min | 2250 | MPa | ASTM D 638 | |
Flexural Stress, yld, 1.3 mm/min, 50 mm span | 95 | MPa | ASTM D 790 | |
Flexural Modulus, 1.3 mm/min, 50 mm span | 2200 | MPa | ASTM D 790 | |
Tensile Stress, yield, 50 mm/min | 52 | MPa | ISO 527 | |
Tensile Stress, break, 50 mm/min | 51 | MPa | ISO 527 | |
Tensile Strain, yield, 50 mm/min | 5.8 | % | ISO 527 | |
Tensile Strain, break, 50 mm/min | 98 | % | ISO 527 | |
Tensile Modulus, 1 mm/min | 2200 | MPa | ISO 527 | |
Flexural Stress, yield, 2 mm/min | 93 | MPa | ISO 178 | |
Flexural Modulus, 2 mm/min | 2300 | MPa | ISO 178 | |
IMPACT | Value | Unit | Standard | |
Izod Impact, notched, 23掳C | 710 | J/m | ASTM D 256 | |
Izod Impact, notched, -30掳C | 230 | J/m | ASTM D 256 | |
Instrumented Impact Total Energy, 23掳C | 65 | J | ASTM D 3763 | |
Charpy 23掳C, V-notch Edgew 80*10*4 sp=62mm | 51 | kJ/m虏 | ISO 179/1eA | |
THERMAL | Value | Unit | Standard | |
Vicat Softening Temp, Rate B/50 | 136 | 掳C | ASTM D 1525 | |
HDT, 1.82 MPa, 3.2mm, unannealed | 120 | 掳C | ASTM D 648 | |
CTE, -40掳C to 40掳C, flow | 7.1E-05 | 1/掳C | ASTM E 831 | |
CTE, -40掳C to 40掳C, xflow | 6.9E-05 | 1/掳C | ASTM E 831 | |
CTE, 23掳C to 80掳C, flow | 6.8E-05 | 1/掳C | ISO 11359-2 | |
CTE, 23掳C to 80掳C, xflow | 6.9E-05 | 1/掳C | ISO 11359-2 | |
Vicat Softening Temp, Rate B/50 | 137 | 掳C | ISO 306 | |
Vicat Softening Temp, Rate B/120 | 138 | 掳C | ISO 306 | |
PHYSICAL | Value | Unit | Standard | |
Specific Gravity | 1.19 | - | ASTM D 792 | |
Mold Shrinkage, flow, 3.2 mm | 0.6 - 0.8 | % | SABIC Method | |
Mold Shrinkage, xflow, 3.2 mm | 0.6 - 0.8 | % | SABIC Method | |
Melt Flow Rate, 300掳C/1.2 kgf | 25 | g/10 min | ASTM D 1238 | |
Density | 1.19 | g/cm鲁 | ISO 1183 | |
Water Absorption, (23掳C/sat) | 0.24 | % | ISO 62 | |
Moisture Absorption (23掳C / 50% RH) | 0.09 | % | ISO 62 | |
Melt Volume Rate, MVR at 300掳C/1.2 kg | 24 | cm鲁/10 min | ISO 1133 | |
ELECTRICAL | Value | Unit | Standard | |
Comparative Tracking Index (UL) {PLC} | 3 | PLC Code | UL 746A | |
FLAME CHARACTERISTICS | Value | Unit | Standard | |
UL Recognized, 94V-1 Flame Class Rating (3) | 1 | mm | UL 94 | |
UL Recognized, 94V-0 Flame Class Rating (3) | 1.2 | mm | UL 94 | |
Source GMD, last updated:09/11/2008 |
Processing |
| Parameter | ||
Injection Molding | Value | Unit |
Drying Temperature | 120 | 掳C |
Drying Time | 3 - 4 | hrs |
Drying Time (Cumulative) | 48 | hrs |
Maximum Moisture Content | 0.02 | % |
Melt Temperature | 270 - 295 | 掳C |
Nozzle Temperature | 265 - 290 | 掳C |
Front - Zone 3 Temperature | 270 - 295 | 掳C |
Middle - Zone 2 Temperature | 260 - 280 | 掳C |
Rear - Zone 1 Temperature | 250 - 270 | 掳C |
Mold Temperature | 70 - 95 | 掳C |
Back Pressure | 0.3 - 0.7 | MPa |
Screw Speed | 40 - 70 | rpm |
Shot to Cylinder Size | 40 - 60 | % |
Vent Depth | 0.025 - 0.076 | mm |
