High Temperature Conductivity Heat Sink Paste 300°C
The High Temperature Conductivity Heat Sink Paste 300°C is a premium thermal compound designed to optimize heat transfer between electronic components and heat sinks. Formulated for demanding applications, this silicone-based paste fills microscopic air gaps and surface irregularities to deliver reliable cooling performance at elevated temperatures.
Key Benefits
- Improves thermal conductivity to reduce component operating temperatures
- Maintains performance and stability at temperatures up to 300°C
- Non-corrosive and non-curing for long-term reliability
- Easy application and clean removal for service and maintenance
- Compatible with a wide range of heat sink materials
Applications
- CPU and IC heat sinks
- MOSFET cooling systems and power transistors
- LEDs, power amplifiers and voltage regulators
- Rectifiers and industrial power electronics
- Any electronic assembly requiring high temperature thermal interface material
Features
- High thermal conductivity: efficient heat transfer (typical ≥ 1.0 W/m·K)
- Maximum operating temperature: 300°C continuous
- Silicone-based compound available in white or grey
- Non-curing and chemically stable to prevent corrosion and degradation
- Fills voids to ensure maximum contact area between mating surfaces
Specifications
- Type: Thermal Conductive Paste
- Thermal Conductivity: High efficiency (≥ 1.0 W/m·K)
- Maximum Temperature: 300°C
- Color: White / Grey
- Material Type: Silicone-based compound
- Net Weight: Approx. 5 g to 10 g depending on packaging
- Usage: Electronic component heat dissipation
- Storage Temperature: 5°C to 25°C
- Shelf Life: 24 months sealed
How to Apply
- Clean both mating surfaces to remove old compound, dust and oils.
- Apply a small, even amount of paste to the component or heat sink.
- Seat the heat sink and secure per manufacturer instructions to spread the paste thinly and evenly.
- Rework or remove by gently wiping with isopropyl alcohol if maintenance is required.
Compatibility and Safety
- Compatible with metal, ceramic and most plastic heat sink materials.
- Non-corrosive formulation reduces risk of damage to components.
- Avoid contact with sensitive optical components; use appropriate protective gloves and eye protection when handling.
- Keep out of reach of children. Follow local disposal regulations for electronic materials.
Packaging and Ordering
- Available in small syringes or sample tubes (net weight typically 5 g to 10 g).
- Contact your distributor for bulk packaging options and technical data sheets.
Why Choose This Thermal Paste
If you need a thermal interface material that remains stable at high temperatures and provides consistent thermal conductivity, this heat sink paste is an ideal choice for demanding electronic and industrial applications. It ensures efficient cooling, reduces thermal resistance, and prolongs component life under elevated operating conditions.
Note: Images are for illustration purposes only.












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