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4911
    发布时间: 2018-09-11 10:41    
4911

C-EP 4911             Technical Data Sheet

 

Single component epoxy adhesive单组分环氧树脂粘接剂

 

PRODUCT DESCRIPTION 产品介绍

C-EP 4911 is a one component, reworkable CSP/BGA underfill. It has fast flow at room temperature without pre-heating the substrates. When heated, it cures quickly at medium temperature to minimize thermal stress to other components on the PCB. The cured material provides excellent protection for solder joints against mechanical and thermal stress such as shock, drop, and vibration in hand-held devices. C-EP 4911是一种单组分,可返修的CSP/BGA底部填充胶。该材料在不需要衬底加热的情况下于室温即具有快的流动速率。C-EP 4911加热后在中等温度下即可固化以减少与PCB上的其它元件的热应力。该材料在固化后可对手提设备中的焊接部在承受冲击、落下、震动等机械和热应力时提供优异的保护。

 

PROPERTIES OF UNCURED MATERIAL 固化前材料性能

Properties 性能

Test Method 测试方法

C-EP 4911

Color/Appearance 颜色/外观

Visual

Liquid, Black 黑色液体

Specific Gravity 比重

ASTM D-792

1. 1

Viscosity 粘度@  25°C, cps

  ASTM D-2393

250

 

TYPICAL PROPERTIES OF CURED MATERIAL 固化后材料典型物理性能

Material cured at  130°Cx10 minutes 材料在130°C下固化10分钟

Property 性能

Test Method  测试方法

Value 数值      

Hardness 硬度(Shore D)

ASTM D-2240

80

Flow rate, room temperature, seconds

 

75-90

Glass transition temperature 玻璃化转变温度, Tg,  ºC

 

127

Coefficient of thermal expansion 热膨胀系数CTE, ppm

ASTM D3386

62/130

Flexural strength 弯曲强度, Mpa

ASTM D-790

120

Modulus 模量, N/mm2

 

2850

Thermal cycling, Up to 1600 cycles

-55 ºC ~ 125 ºC

No failure

Thermal/humidity bias test, Up to 500 hours

 

No loss in resistance

Volume resistivity 体电阻系数, ohms-cm

ASTM D-257

4.0 E+16

Surface resistivity 表面电阻, ohms

ASTM D-257

8.0 E+16

Dielectric constant

ASTM D150

3.55 (10 MHz)

 

DIRECTIONS FOR USE使用指南

Resin/Hardener Ratio (by weight)  树脂/固化剂(重量比) one component 单组分

Resin/Hardener Ratio (by volume) 树脂/固化剂(体积比) one component 单组分

Pot Life, 25°C 使用期 2-3 days 2-3

 

CURING SCHEDULE 固化进度表:

6-10 minutes at 130 ºC. 130 ºC 6-10分钟。

 

STORAGE INFORMATION 贮存方法

Store at -15 ºC to - 20 ºC in a unopened can and dry condition. Shelf life is 6 months. -15 ºC-20 ºC 于干燥环境中密封保存, 保质期为6个月。