近日有个客户咨询到在手机塑胶件的粘接时使用乐泰460，但是在做可靠性测试时不理想，测试条件是：50度温度，90-95%的湿度，测试经过96小时后的粘接效果。结果不是太理想。我查阅了一下460的TDS资料，里面显示50度的强度就大概只能达到常温下的60%，另外瞬干胶耐水性相对弱一下，测试不理想也是正常的。另外因为不记得客户说的是460还是406，顺便把406的资料也看了下，貌似应该比460的耐老化要强一些。下面分享两份TDS，有需要的朋友可以下载查看：
PRODUCT DESCRIPTION
LOCTITE® 460™ provides the following product characteristics:
| Technology | Cyanoacrylate |
| Chemical Type | Alkoxyethyl cyanoacrylate |
| Appearance (uncured) | Transparent, colorless to straw colored liquidLMS |
| Components | One part – requires no mixing |
| Viscosity | Medium |
| Cure | Humidity |
| Application | Bonding |
| Key Substrates | Metals, Plastics and Elastomers |
LOCTITE® 460™ has low odor and low blooming properties and is particularly suitable for applications where vapor control is difficult. The product provides rapid bonding of a wide range of materials, including metals, plastics and elastomers. LOCTITE® 460™ is particularly suited for bonding porous or absorbent materials such as wood, paper, leather and fabric.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Specific Gravity @ 25 °C 1.1
Flash Point – See MSDS
Viscosity, Cone & Plate, mPa·s (cP):
Temperature: 25 °C, Shear Rate: 3,000 s-1 25 to 55LMS
Viscosity, Brookfield – LVF, 25 °C, mPa·s (cP):
Spindle 1, speed 30 rpm 30 to 60
下载附件查看PDF文件：
乐泰CA 460 TDS (66.9 KB, 7 次)
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乐泰406 TDS (66.4 KB, 7 次)
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华为网盘下载：http://dl.dbank.com/c02q58wf1s
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