3M 7240FR
描述信息
3M Scotch-Weld TM 7240 FR B/A环氧胶粘剂是一种高性能、双组分增韧胶粘剂
技术性能
产品形态Product form
液态Liquid
固化方式Cure Method
Two component mix cure
材料体系chemical system
Epoxy base
压缩剪切强度Compressive Shear Strength
45-50 MPa
混合计算方式Mix By
by Volume
混合比例Mix ratio
2:1
时间类型Type
Work time
温度temperature
23 ℃ ℃
胶粘剂操作时间Adhesive work life
45 min min
重量weight
20 g g
剪切力Shear
22.4 MPa MPa
基材Substrate
2024 T3 clad aluminium
制样固化温度sample cure temperature
35 ℃ ℃
制样固化时间sample cure time
24 hr hr
失效模式failure mode
内聚破坏
强度类型Strength Item
弹性/杨氏模量值(E)
强度值/模量值Strength Value
3500-4000 MPa MPa
温度temperature
23 ℃ ℃
认证说明Comments
On removal of the flame, the adhesive ‘self extinguished’ in less than 15 seconds
认证项目Item
Flammability
时间类型Type
Handling time
时间time
6 hr hr
温度temperature
23 ℃ ℃
有效期Shelf life
12 Month Month
存储条件Storage
stored in the original carton at 21 °C and 50% relative humidity
粘度viscosity
100-200 Pa·s Pa·s
类型type
A part
密度Density
1.05-1.10 g/cm^3 g/cm^3
组分Part
B Part
提供高剪切和剥离粘性和优异的耐久性
包含300个μm玻璃珠对准确胶线控制