POLIXEL High Temperature Silicone Gasket Maker Oil 797606643310

( Brand: Polixel ), ( Part Type: Gasket Oil ), ( Itemweight: 118 ), ( Packageheight: 32 ), ( Packagelength: 146 ), ( Packagewidth: 54 ), ( UPC: 797606643310 )

Review POLIXEL Red High Temperature Silicone Gasket Maker Oil Resistant fits RTV

The **Polixel 797606643310 High-Temperature RTV Silicone Gasket Maker** is a premium, high-performance adhesive and sealant designed for demanding industrial, automotive, and mechanical applications where durability, flexibility, and resistance to extreme conditions are critical. This two-part, room-temperature vulcanizing (RTV) silicone compound is formulated to create robust, long-lasting gaskets, seals, and joints that maintain their integrity under prolonged exposure to high temperatures, vibration, moisture, and chemical exposure. Ideal for professionals in automotive repair, aerospace, HVAC systems, and manufacturing, this product delivers exceptional adhesion to a wide range of materials, including metals, plastics, ceramics, and rubber, ensuring a secure and leak-proof seal even in harsh environments. Its high-temperature resistance capable of withstanding continuous exposure up to **300 C (572 F)** and intermittent peaks far beyond makes it a reliable choice for sealing engine components, exhaust systems, brake assemblies, and high-heat industrial machinery. The silicone s natural flexibility prevents cracking or degradation over time, while its non-corrosive and non-conductive properties safeguard sensitive electronics and metal surfaces from degradation. Whether used for custom gasket fabrication, repair work, or preventive maintenance, this high-performance RTV silicone offers a clean, odorless application with minimal curing time, allowing for efficient workflows without compromising on quality. Its ease of use, combined with its superior thermal and chemical resistance, positions it as an indispensable tool for technicians and engineers who demand precision and reliability in their sealing solutions.

The **Polixel 797606643310 High-Temperature RTV Silicone Gasket Maker** is a specialized product designed for creating durable, flexible seals in high-temperature applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High-Temperature Resistance**

The product is explicitly formulated to withstand elevated temperatures, making it suitable for automotive, industrial, and mechanical applications where traditional gaskets may fail. This includes engine components, exhaust systems, and high-heat joints.

2. **Durability and Longevity**

RTV (Room Temperature Vulcanizing) silicone cures under ambient conditions without requiring heat, forming a strong, elastic seal that resists cracking, peeling, and degradation over time. This extends the lifespan of the components it seals.

3. **Versatility**

It can be used for a wide range of materials, including metal, plastic, glass, and rubber, making it adaptable for various sealing needs. It is also non-conductive, which is beneficial for electrical insulation in some applications.

4. **Easy Application**

The product is typically applied with a caulking gun or brush, similar to other silicone sealants, and cures quickly (usually within hours). This makes it user-friendly for DIYers and professionals alike.

5. **Chemical Resistance**

High-temperature RTV silicone often resists oils, fuels, and some chemicals, which is critical in automotive and mechanical environments where exposure to these substances is common.

6. **Flexibility**

Once cured, the silicone remains flexible, accommodating minor movements or vibrations without losing its sealing integrity. This is particularly useful in engine applications where thermal expansion and contraction occur.

7. **Non-Tacky Finish**

After curing, the surface is smooth and non-tacky, reducing the risk of contamination or sticking to adjacent parts.

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### **Cons**

1. **Limited Low-Temperature Performance**

While it excels at high temperatures, its performance may degrade in extremely cold conditions, becoming brittle or losing flexibility. This could lead to seal failure in applications with wide temperature fluctuations.

2. **Curing Time**

Although RTV silicone cures at room temperature, the full curing process can take up to 24 hours or longer, depending on environmental conditions. This may require patience during assembly or repair work.

3. **Shrinkage During Curing**

Some RTV silicones experience slight shrinkage as they cure, which could lead to gaps in the seal if not applied carefully. Proper application techniques (e.g., overfilling slightly) can mitigate this issue.

4. **Cost**

High-temperature RTV silicone is generally more expensive than standard silicone sealants or other gasket materials like butyl rubber or paper gaskets. The cost may be a consideration for large-scale or budget-sensitive projects.

5. **UV Degradation (Outdoor Use)**

While it resists heat, prolonged exposure to ultraviolet (UV) radiation can cause the silicone to degrade over time, especially if used in outdoor applications without protection (e.g., paint or coatings).

6. **Not Suitable for All Materials**

While versatile, it may not adhere well to certain porous or oily surfaces without proper surface preparation (e.g., cleaning with acetone or sanding). Poor adhesion can compromise the seal.

7. **Potential for Overuse**

Applying too much product can lead to excess silicone squeezing out and contaminating adjacent parts. Precision in application is required to avoid mess or functional issues.

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### **Conclusion**

The **Polixel 797606643310 High-Temperature RTV Silicone Gasket Maker** is an excellent choice for applications requiring a reliable, flexible seal in high-heat environments. Its durability, chemical resistance, and ease of use make it ideal for automotive repairs, industrial machinery, and mechanical assemblies where traditional gaskets would fail. However, its limitations such as sensitivity to cold temperatures, curing time, and higher cost should be considered based on the specific use case.

For projects involving engines, exhaust systems, or high-temperature joints, the benefits of this product outweigh its drawbacks. If the application involves extreme cold, prolonged outdoor exposure, or requires minimal curing time, alternative sealing solutions (e.g., butyl gaskets or specialized high-performance compounds) may be more suitable.

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### **Recommendation**

- You are working on an automotive or mechanical repair involving high-temperature components (e.g., engine gaskets, exhaust manifolds, or turbocharger seals).

- You need a durable, flexible seal that resists oils, fuels, and chemicals.

- You prioritize long-term reliability and are willing to invest in a high-quality sealant.

- Your application involves extreme cold or wide temperature fluctuations where low-temperature flexibility is critical.

- You are working on a large-scale project where cost is a major concern, and a more economical alternative (e.g., butyl tape or paper gaskets) would suffice.

- You require immediate curing (e.g., for time-sensitive repairs) and cannot wait for the silicone to fully set.

For most high-temperature sealing needs, this product is a strong recommendation due to its proven performance and versatility. Always follow the manufacturer s application instructions to ensure optimal results.

Details:

Bonds well to clean metal, plastic, and composites, making it versatile for repairs. Easy To Apply Ready Use: No mixing required apply straight from the 3.4 oz tube. Spreads smoothly, skins over in 15 minutes, and fully cures 24 hours. Also great for sealing BBQ grills, oven doors, fireplace fittings, and muffler repairs.

Flexible Durable Seal That won't Crack: Cures into a strong yet flexible rubber seal that accommodates vibration and thermal expansion. Perfect for sealing where heat and oil are present. Product Features: Ultra High Temperature Oil Resistance: Formulated to perform in extreme conditions, this red RTV silicone sealant continuously withstands temperatures up 650 F 343 C and resists engine oil, transmission fluid, coolant, other automotive chemicals. POLIXEL Red High Temperature RTV Silicone Gasket Maker - Oil Resistant Sealant for Engines, Exhaust Manifolds, Pans, Gearboxes, Pumps, Superchargers Automotive Parts 3.4 oz.

Eliminates leaks and prevents part corrosion. Versatile Beyond The Engine: A reliable high-temp adhesive for both automotive and household projects. Unlike hard gaskets, it won't shrink, crack, or become brittle over time, ensuring a long-lasting, leak-free barrier even under stress. Ideal for creating durable, custom-fit gaskets on engine valve covers, oil pans, transmission housings, exhaust manifolds, and thermostat housings.

specifications automobilefluids:

• for models: Rtv
• brand: Polixel
• part type: Gasket Oil
• itemweight: 118
• packageheight: 32
• packagelength: 146
• packagewidth: 54
• upc: 797606643310

general automobilefluids:

• condition: New
• Automotive Tools Supplies > Fluids Chemicals > Gasket Makers/Removers/Sealers

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• # reviews: 1826
• city: Brooklyn, New York
• rating: 99.7%

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• sold: 0
• quantity: 3
• started: April 3, 2026
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