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乐泰® HHD 3542™ is a reactive hot-melt adhesive based on polyurethane prepolymers. It is designed for robotic dispensing and has a relatively long open time. Immediately after solidifying in the bond line, the adhesive provides good initial strength. Then the secondary moisture cure cross-links the bonds for excellent elongation and structural durability. Fully cured product does not remelt. TYPICAL PROPERTIES OF UNCURED MATERIAL Specific Gravity @ 25 °C 1.1 Viscosity, Brookfield - Thermosel, 100 °C, mPa•s (cP): Spindle 27 3,500 to 7,500 Flash Point - See SDS TYPICAL CURING PERFORMANCE Open Time @ 25 °C, minutes, 1 mm bead
乐泰®
HHD 3542™是一种基于活性的热熔胶
聚氨酯预聚物。它是为机器人设计的
并且具有较长的开放时间。立即
在粘结线固化后,粘合剂提供良好的效果
初始强度。然后二次水分固化交联
优异的伸长率和结构耐久性的粘合。
完全固化的产品不会重熔。
固化材料的典型特性
25°C比重1.1
粘度,Brookfield - Thermosel,100℃,mPa•s(cP):
主轴27 3,500至7,500
闪点 - 见SDS
典型的固化性能
开放时间@ 25℃,分钟,1毫米珠<4
应用温度,°C 90至110
治疗速度与时间
下图显示了交联粘合拉伸强度
随着时间的推移在基板上以22℃/ 50%RH显影 |