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3873™ is a self-shimming, thermally conductive adhesive.
When used with Activator 7387™, it cures rapidly to
form a high strength, high modulus, thermoset acrylic polymer.
A uniform bondline thickness of 0.127mm results from the
incorporation of solid glass spheres. Recommended
applications include the bonding of various heat generating
devices (power devices) to thermal spreaders.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Specific Gravity @ 25 °C 2.08
Flash Point - See MSDS
Viscosity, Brookfield - HBT, 25 °C, mPa•s (cP):
Spindle TB, speed 0.5 rpm 750,000 to 2,000,000LMS
Spindle TB, speed 5.0 rpm 200,000 to 600,000LMS
TYPICAL CURING PERFORMANCE
Cure Speed vs. Substrate
The rate of cure will depend on the substrate used. The graph
below shows the shear strength developed with time on grit
blasted steel lap shears compared to different materials and
tested according to ISO 4587.
Storage
Store product in the unopened container in a dry location.
Storage information may be indicated on the product container
labeling.
Optimal Storage: 2 °C to 8 °C. Storage below 2 °C or
greater than 8 °C can adversely affect product properties
3873™是一种自动补片导热胶。
当与Activator 7387™一起使用时，它可以快速固化
形成高强度，高模量，热固性丙烯酸聚合物。
均匀的粘合线厚度为0.127mm
掺入固体玻璃球。推荐的
应用包括各种发热的结合
设备（电源设备）到散热器。
固化材料的典型特性
比重@ 25°C 2.08
闪点 - 参见MSDS
粘度，Brookfield-HBT，25℃ |
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