DOWSIL TC-5121C Thermal Grease | Single-Part 2.8W/mK Pump-Out Resistant Electronics Cooling

Basic Product Properties

TC-5121 C is a single-part, non-curing thermal grease with greenish-yellow viscosity. It delivers 2.8W/mK thermal conductivity, low thermal resistance (0.09℃·cm²/W), and pump-out resistance, designed for mid-to-high-end electronics thermal interfaces.

Product Description

Featuring a filled polydimethylsiloxane matrix with optimized polymer structure, this compound utilizes thermally conductive metal oxides to create efficient heat-transfer bridges between components and heat sinks. By minimizing interfacial thermal resistance and maintaining stable heat sink seals, it enhances device efficiency and reliability in compact, high-power designs.

Advanced Properties

Pump-Out Resistance: Optimized polymer matrix minimizes material migration during thermal cycling.
Ultra-Thin Bond Lines: Enables minimal Bond Line Thickness (BLT) for maximized contact efficiency.
Process Flexibility: Non-curing formulation eliminates oven requirements; compatible with screen/stencil printing and dispensing.

Application Scenarios

1. 1. Gaming GPU Cooling: Used on NVIDIA/AMD high-end GPU dies, where 2.8W/mK conductivity manages transient power spikes.
2. 5G Base Station PAs: Deployed in Ericsson Air 6488 RF power amplifiers for GaN device thermal management.
3. EV On-Board Chargers: Ensures cycling stability in BYD e-platform 40kW fast-charging modules.

Typical Properties Table

1. Who are we?

We are Shenzhen Huazhisheng New Material Technology Co., Ltd., a professional industrial adhesives and sealants supplier based in China since 2018. we serve global markets: Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%).

2. What products do you offer?

we supply high-performance adhesives and sealants from global leaders including:

Cemedine, Dow Corning, Shin-Etsu, Araldite, and Momentive,etc.

3. How do you guarantee product quality?

Quality assurance through:

Mandatory pre-production samples approval

Final inspection by QC team before shipment

International certifications: SGS, UL, FDA, RoHS, REACH

4. Why choose us over other suppliers?

Reliable Supply:Authentic products from top manufacturers

Expert Support:Technical guidance for product selection

Global Compliance:Certifications meeting target market standards

Efficient Service:Customized solutions & professional support

5. What services do you provide?

Delivery​:EXW/FOB/CIF

Payment​:USD/EUR/CNY/HKD via T/T, L/C

Support​:Technical consultation & logistics coordination

Shenzhen Huazhisheng New Materials Technology Co., Ltd. is a leading provider of environmentally friendly adhesives and technical solutions, specializing in the application of modified silicone rubber, epoxy adhesives, thermal materials, bonding adhesives, encapsulation adhesives, and UV adhesives across various industries such as electronics, home appliances, LED lighting, automotive, consumer electronics, rail transit, aerospace, and electrical power. Huazhisheng New Materials adheres to the corporate sustainable development strategy of "Progress, Innovation, Professionalism, and Integrity," and integrates the philosophy of "Quality, Efficiency, Environment-Friendly, and Reliability" throughout the entire product lifecycle. Our products have passed SGS, UL, FDA, DIN, and non-toxic certifications, and have been awarded multiple global patents, making us one of the primary suppliers of adhesives and new materials in China's new energy, electronics, automotive, industrial, packaging, environmental protection, construction, and high-speed rail sectors.
With an innovative perspective, we offer customized solutions, continuously develop leading technologies, and provide comprehensive support to clients across various industrial sectors. We are committed to collaborating with our clients to drive industrial transformation and upgrading, ensuring your sustained competitive edge.
Based on advancements in various polymer chemical materials, Huazhisheng New Materials has established a leading position in four key areas: coating, bonding, sealing, and thermal conductivity. Our efficient and environmentally friendly adhesive products and technical solutions help industrial enterprises enhance production efficiency and benefits, protect your electronic products from external chemical agents and harsh usage environments, and extend their lifespan, ensuring continuous and stable operation.