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XK-D12

Features

Fillinggapsbetweenheatsourceandheatsink

Excellentelectricalinsulation,bondstrength≥13Mpa

Applicationtemperature:-45~175℃,Shortterm:250℃

Applications

Aerospaceequipments

Semiconductor

Telecommunication

Railtransit

Batterypack

Betweenwatercoolingplateandheatsource

Description

XK-D12 is a modifiedepoxy based, two-part liquid dispensable, thermally conductive adhesive with a thermal conductivity of 1.2W/mK. This material features high performance, electrical insulation, structural bonding and seal. XK-D12 provides strong bonding with room temperature cure and can be accelerated with elevated temperature. The high bonding strength eliminates the need of fasteners and maintains structural bond in severe environments. It will flow or fill gaps under low pressure resulting in low stress on component.

It is a trend that thermally conductive structural adhesive will be used in “CTP” battery pack? Not only for better heat transfer, but for simplifying module structure to increase energy density and extend service life.

GLPOLY thermally conductive structural adhesive XK-D12 is in trial production in AIWAYS Motor and Lixiang Motor, exhibiting the most excellent performance and strongest bonding strength among competitive products.

As the boom of electric vehicle, internal strucutre of power battery pack is undergoing great change, non-modularization becomes more and more popular, and it’s been applied initiately by CATL company. Then some automakers and battery manufacturers were following suit. What’s the difference between CTP battery pack and traditional module battery pack? Obviously, there is no extra housings, all the cells are bonded by thermally conductive structural adhesive, combining functions of gap filling, heat transfer and structure bond. GLPOLY thermally conductive structural adhesive is such a gap filling material that designs to improve thermal management and range of “CTP” battery pack.

What are advantages of GLPOLY thermally conductive structural adhesives?

Firstly, it has 8MPa bonding strength while competitive products only provides 5MPa, even lower, eliminating the need of mechanical fasten, simplifying structure and increasing energy density and service life.

Secondly, thermal conductivity is optional from 1.2 to 13W/mK, improving not only the bonding issue, but also heat transfer.

Thirdly, GLPOLY had carried out accelerated aging test to prove that this material provided a 25-years service life, PU based products would never achieved this.

GLPOLY is the first one to introduce automated production lines to eliminate human error, and keep consistency of products.

GLPOLY thermally conductive structural adhesive has been applied to EV battery pack in volume production with high performance and reliability. If you want to learn more about this product or have any queries, please feel free to contact GLPOLY.

1. Has no equals in features of bonding strength, roughness, thermally conductive and electrical insulation;

2. Bonding strength is 30% higher than that of competitive products, withstanding impact of 12m freefall superimposing speed of 120km/h ;

3. Eliminates the need of mechanical fasten, increasing volume by 20%, reducing components by 40%, improving productivity by 50%, competitive products can’t achieve these objectives;

4. Withstands 2500V at 0.28mm thick; dielectric strength is up to 14kV/mm, 40% higher than competitive products;

5. Performance degradation is less than 5% at 85 Celsius degree,RH85 for 1000 hours, and performance ofPUdeceases by40% for 500 hours;

6. 25-year service life, three times longer that that competitive products;

7. Flammability UL94 V-0, when it leaves fire, it goes out; some competitive products would be burned out;

8. Cures for 13 hours at room temperature, two times faster than that of competitive products;

GLPOLY thermally conductive structural adhesive is designed for “CTP” battery cell bond, providing 8MPa bonding strength, and compatible with automated dispense processes.



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