Fasto TG200 is a premium-grade, one-component, silicone-based thermally conductive paste designed to improve heat transfer efficiency between heat-generating components and heat-dissipating surfaces. Its non-curing, high-performance formulation effectively fills microscopic air gaps, ensuring rapid heat dissipation while providing excellent electrical insulation and long-term stability.
With superior thermal conductivity, weather resistance, and high-temperature performance, Fasto TG200 is an ideal thermal interface material for LED assemblies, power electronics, heat sinks, power amplifiers, thermistors, and various electrical and electronic devices requiring continuous thermal management.
Provides efficient heat transfer between components and heat sinks, improving thermal management.
Non-Curing Silicone Technology
Remains soft and workable throughout service life without hardening, cracking, or shrinking.
Excellent Electrical Insulation
Offers reliable dielectric protection while maintaining thermal conductivity.
Wide Temperature Resistance
Performs effectively from -50°C to +200°C continuous service temperatures, with intermittent resistance up to approximately 250°C.
Easy Application
Thick, stable consistency allows easy spreading and precise application using standard tools.
Weather & Environmental Resistance
Resists moisture, oxidation, weathering, and environmental degradation for long-term performance.
High Breakdown Voltage
Provides excellent electrical isolation between conductive components.
Benefits
Enhances heat dissipation efficiency
Reduces operating temperatures of electronic components
Extends equipment and component life
Improves reliability of LEDs and power electronics
Minimizes thermal resistance between mating surfaces
Protects sensitive electronics through electrical insulation
Stable performance under continuous thermal cycling
Easy to apply during assembly and maintenance operations
Application details are available on request. Please contact our technical team.
Surface Preparation
Ensure all contact surfaces are clean, dry, and free from dust, grease, oil, rust, scale, release agents, and contaminants.
Clean surfaces using a suitable Fasto cleaner for optimum performance.
Ensure mating surfaces are properly aligned before application.
Application Method
Apply Fasto TG200 evenly on the heat-generating component or contact surface using a spatula or suitable applicator.
Spread the paste uniformly to eliminate trapped air between the heat source and heat sink.
Assemble components immediately after application.
Apply only the required quantity to achieve complete surface contact.
Remove excess material after assembly if necessary.
Application Conditions
Recommended application temperature: 5°C to 40°C
Optimum application temperature: 15°C to 25°C
Thermal Interface Guidelines
Apply a thin, uniform layer to achieve maximum heat transfer efficiency.
Avoid excessive application, as surplus material may reduce thermal performance.
Ensure complete contact between heat-emitting and heat-radiating surfaces.
Suitable for both vertical and horizontal assembly applications.
Ideal for filling microscopic surface irregularities and air gaps.
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What is Fasto SP70 used for?
Fasto SP70 is a two-component silicone potting compound specially designed for potting solar PV junction boxes. It protects electrical connections from moisture, dust, UV radiation, thermal cycling, and environmental exposure.
Why is potting required in solar junction boxes?
Potting creates a protective barrier around electrical components inside the junction box, preventing moisture ingress, corrosion, electrical leakage, and mechanical damage while improving long-term reliability.
How can I select the right potting compound for my solar application?
The ideal potting compound should provide UV resistance, electrical insulation, moisture protection, thermal stability, and long-term outdoor durability. Fasto SP70 is specifically engineered to meet these requirements for solar junction box applications.
What industries commonly use Fasto SP70?
Fasto SP70 is primarily used in:
Solar PV module manufacturing
Renewable energy equipment
Electrical and electronic assemblies
Outdoor power systems
8. What are the key benefits of using Fasto SP70?
Key benefits include:
Excellent weather resistance
Superior UV stability
Strong moisture protection
Electrical insulation
Long-term outdoor durability
Reliable performance in harsh environments
Protection against vibration and mechanical stress
