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07.13.2020

Dow launches new high-performance thermal gel for 5G technology that promotes environmental sustainability and efficient assembly

High thermal conductivity silicone gel eliminates silicone oil bleeding and has ultra-low levels of VOCs once fully cured

MIDLAND, Mich. – July 13, 2020 Dow (NYSE: Dow) introduced today new DOWSIL™ TC-3065 Thermal Gel, a one-part, thermally conductive gel developed to dissipate high amounts of heat away from sensitive electronic components. DOWSIL™ TC-3065 Thermal Gel easily fills gaps due to its excellent wetting ability and can replace fabricated elastomeric thermal pads that may fail to protect electronics from the high heat associated with 5G’s greater power densities. After full curing, Dow’s new thermal gel eliminates silicone oil bleeding and has ultra-low levels of volatile organic compounds (VOCs). To achieve high levels of manufacturing efficiency, DOWSIL™ TC-3065 Thermal Gel supports automatic dispensing and heat curing after assembly. Applications for this innovative new material include telecommunications and data communications equipment.

“Thermal interface materials for 5G technologies need to quickly dissipate high amounts of heat, and electronics manufacturers also need advanced material solutions that support sustainability and efficient assembly,” said Samuel Liu, marketing manager and Communication segment leader, Dow. “New DOWSIL™ TC-3065 Thermal Gel provides an attractive balance of properties that checks all the boxes. This strong new addition to Dow’s growing portfolio of thermally conductive silicones can help drive the development of next-generation applications in a way that is both efficient and environmentally responsible.”

New thermal gel supports automatic dispensing

Photo: New thermal gel supports automatic dispensing

DOWSIL™ TC-3065 Thermal Gel is a soft, stress relieving and shock damping silicone gel with a thermal conductivity of 6.5W/mk. It has an excellent extrusion rate (60 g/m) and supports auto-dispensing. DOWSIL™ TC-3065 Gel resists slumping during vertical assembly and completely fills uneven spacing. This dispensable material accommodates higher part-to-part tolerances that can challenge fabricated thermal pads with their constrained dimensions. It is supplied as a non-flowable gel and supports a bond line thickness as thin as 150 microns when high pressure is applied.

dow_61553153676-part-content-product-gel-320x199

DOWSIL™ TC-3065 Thermal Gel can be dispensed onto substrates such as aluminum heat sinks and encapsulated chips that have an epoxy surface. After assembly it can achieve complete curing by applying 100°C for 30 minutes (or 80°C for 60 minutes) or from the heat generated by the component. If rework is required, DOWSIL™ TC-3065 Thermal Gel can be removed completely without leaving behind a residue after curing. At room temperature the working time or open time is generally five days, which helps reduce scrap rates during electronic assembly.

New DOWSIL™ TC-3065 Thermal Gel balances adhesion with re-workability to support advanced technologies that require reliable performance. Unlike some thermally conductive elastomeric pads, this new gel will not bleed silicone oil after full curing, which helps to avoid contamination of device surfaces that can degrade performance. DOWSIL™ TC-3065 Thermal Gel is resistant to humidity and other harsh environments and will not crack during long-term aging.

DOWSIL™ TC-3065 Thermal Gel can be used for optical transceivers, ethernet switches and routers, high-speed solid-state disks (SSD) and other network devices.

DOWSIL™ TC-3065 Thermal Gel is available worldwide through Dow and its extensive network of distribution partners.

To learn more, visit dow.com/electronics.
 

About Dow
Dow (NYSE: DOW) combines global breadth, asset integration and scale, focused innovation and leading business positions to achieve profitable growth. The Company’s ambition is to become the most innovative, customer centric, inclusive and sustainable materials science company. Dow’s portfolio of plastics, industrial intermediates, coatings and silicones businesses delivers a broad range of differentiated science-based products and solutions for its customers in high-growth market segments, such as packaging, infrastructure and consumer care. Dow operates 109 manufacturing sites in 31 countries and employs approximately 36,500 people. Dow delivered sales of approximately $43 billion in 2019. References to Dow or the Company mean Dow Inc. and its subsidiaries. For more information, please visit www.dow.com or follow @DowNewsroom on Twitter.

 

For further information, please contact:

Eileen Zeng, Dow
+86.21.3851.1604
eyzeng@dow.com

Jo Duran
+1.413.448.2260, Ext. 200
jduran@ahminc.com