When it comes to automotive and industrial sealing, reliability matters. Whether you’re repairing an engine, sealing a gearbox, or fixing a water pump, using the right gasket maker is essential. The PHOXCHEM® High Temp RTV Silicone Gasket Maker offers a high-performance, heat-resistant solution that delivers long-lasting durability, superior flexibility, and excellent resistance to extreme temperatures and fluids.
What is PHOXCHEM® High Temp RTV Silicone Gasket Maker?
PHOXCHEM® High Temp RTV Silicone Gasket Maker is a premium room-temperature vulcanizing (RTV) silicone sealant engineered to create strong, durable, and heat-resistant gaskets. Unlike traditional pre-cut gaskets, this high-performance RTV silicone forms a custom-fit seal for your specific application—helping eliminate leaks, reduce maintenance costs, and improve overall sealing reliability.

Key Features & Benefits
- Quick Drying Formula: Ensures efficient application with fast skin-over time.
- Low Odor: Safe, minimal smell during curing.
- Sensor Safe: Non-corrosive, won’t damage parts.
- OEM Approved: Meets industry standards.
- High-Temperature Resistance: Withstands temperatures up to 343°C (650°F), ideal for engines, exhaust manifolds, cylinder heads, and valve covers.
- Oil & Fluid Resistance: Excellent protection against engine oil, transmission fluid, coolant, and other automotive chemicals.
- Vibration & Shock Resistance: Remains stable and intact even in high-vibration environments, preventing leaks and ensuring a secure bond.
How to Use PHOXCHEM® High Temp RTV Silicone Gasket Maker
- Prepare the Surface: Ensure surfaces are clean, dry, and free from oil or old gasket material.
- Apply the Silicone: Cut the nozzle to the desired bead size and apply an even bead to one of the surfaces.
- Assemble the Parts: Allow the silicone to set for a few minutes before assembling the parts.
- Curing Time: Let it cure for 24 hours before exposing it to fluids or high temperatures for optimal performance.
Why Choose PHOXCHEM® High Temp RTV Silicone Gasket Maker?
Compared to standard gaskets, PHOXCHEM RTV Silicone provides a custom fit, enhanced durability, and resistance to extreme conditions. It is a must-have product for mechanics, DIY enthusiasts, and professionals in the automotive and industrial sectors.
For a reliable, leak-proof seal that lasts, trust PHOXCHEM RTV Silicone Gasket Maker. Get yours today and experience the ultimate in sealing technology!