G-9926 A/B is a medium viscosity, two-part epoxy casting system. It provides users with excellent insulating properties designed for applications requiring high heat dissipation, such as bushings. The product is featured with itshigh heat conductivity, room temperature cure capability, and high toughness. The finished product is available in color of being natural, blue and black. G-9926 A/B是一种双组分中等粘度环氧浇铸胶。该产品散热性能,能运用于轴衬等需要高散热性能的元件的浇铸。该产品绝缘性能好,能在常温固化,固化后产品硬度高。
固化后产品的颜色有无色、蓝色和黑色三种。
PROPERTIES OF UNCURED MATERIAL固化前材料性能
Properties 性能 | Test Method 测试方法 | Resin-A 环氧树脂-A | Hardener-B 固化剂-B | Mixed-A/B 混合物-A/B |
Color/Appearance 颜色/外观 | Visual 目测法 | Viscous paste 粘性糊状 | Light colored liquid浅色液态 | natural, blue and black 无色,蓝色和黑色 |
Specific Gravity 比重 | ASTM D-792 | 2.4 | 1.05 |
|
Viscosity @ 25°C, cps粘度(25°C) | ASTM D-2393 | 85,000-95,000 | 14 - 20 | 4000 - 6000 |
TYPICAL CURED PROPERTIES固化后属性
Cured 7 days @ 25 ºC (77ºF)(固化七天@25 ºC)
Property性能 | Test Method测试方法 | value数值 |
Hardness (Shore D)硬度 | ASTM D-2240 | 82 |
Elongation at break断裂延伸率,% |
| 2 - 4 |
Tensile strength拉伸强度,psi |
| 7500 |
Glass transition temperature 玻璃化转变温度, Tg, ºC | DMA | 70 |
Thermal Conductivity导热率, W/M-K |
| 1.35 – 3.8 ** |
Coefficient of thermal expansion 热膨胀系数, CTE |
| 47 E-06 |
Max. service temperature最大工作温度, ºC |
| 120 |
Water absorption吸水率, % weight |
| 0.08 |
Surface resistively表面电阻, ohms |
| 3.3E14 |
Volume resistivity体积电阻率, ohms-cm |
| 1.0E15 |
Dielectric constant介电常数, 60 Hz |
| 5.4 |
Dissipation factor耗散因子, Hz |
| 0.077 |
** Thermal conductivity can be increased based on customer application requirements.
**根据客户运用的需求,导热率可以进行调整,最高可达到3.8W/M-K
CURING SCHEDULE固化步骤
Resin/Hardener Ratio (by weight) 树脂与固化剂重量比 | 100 / 7 |
Resin/Hardener Ratio (by volume)树脂与固化剂体积比 | 100 / 16.5 |
Pot Life (500 gram mass), 25°C, hours 保质期(500g)25°C,小时 | 2 -2.5 |
CURING TIME TABLE 固化进度表
Temperature 温度 | Minimum Cure Time 最少固化时间 |
25 ºC (77ºF) | 24 hours |
60 ºC (158ºF) | 2 -3 hours |
SHELF METHOD保存方法
Store at 15 - 30 ºC in a dry place. After each use, tightly reseal.每次用完后,应密封保存于15 - 30 ºC的干燥地方。
SHELF LIFE储藏寿命
Provided this material is stored under the recommended storage conditions in their original containers, it will remain in useable condition for one year from date of shipping.采用原始包装,保存于15 - 30 ºC的干燥地方,保质期为一年(从发货之日算起)。