APEL High Silicone Gasket Maker Sealant Heat 731559714253 572 2X 10.2OZ

( Brand: Apel ), ( Type: Gasket Maker ), ( Package Quantity: Pack Of 2 ), ( Country Of Origin: T Rkiye ), ( UPC: 731559714253 )

Review APEL High temp Red Silicone Gasket Maker Sealant Heat Resistant 572 2x 10.2oz fits RTV

The **Apel 731559714253 High-Temperature RTV Silicone Gasket Maker Sealant** is a premium, high-performance adhesive designed to deliver exceptional sealing, bonding, and gasket-making capabilities in demanding environments where extreme temperatures and harsh conditions demand reliability. This two-component, platinum-cured silicone sealant is engineered to withstand continuous exposure to temperatures ranging from -65 F to 572 F (-53 C to 300 C), making it an ideal solution for automotive, industrial, HVAC, and mechanical applications where traditional sealants would fail under thermal stress. Its high-temperature resistance ensures long-lasting performance, preventing leaks, vibrations, and moisture ingress in critical joints, flanges, and gasket interfaces whether under the hood of a high-performance vehicle, within exhaust systems, or in heavy-duty machinery exposed to cyclic heating and cooling.

Beyond its impressive thermal endurance, this sealant excels as a versatile **gasket maker**, offering superior elasticity and compression set resistance to maintain a consistent seal over time, even in dynamic or vibrating environments. Its non-sag formula ensures smooth application without dripping, allowing for precise, even coverage on complex surfaces, including metal, plastic, rubber, glass, and ceramics. The sealant s excellent adhesion properties bond securely to a wide range of substrates, providing a durable, flexible barrier against air, water, oil, and chemicals critical for applications like engine mounts, brake systems, turbochargers, and exhaust manifolds where reliability is non-negotiable. Additionally, its resistance to ozone, UV degradation, and thermal shock ensures that the seal remains intact and functional for extended periods, even in outdoor or high-stress industrial settings.

For professionals and DIY enthusiasts alike, this **10.2-ounce (2-pack) cartridge** offers a convenient, mess-free application experience with Apel s high-quality nozzle system, which delivers a consistent bead for clean, professional results. The platinum-cured formula guarantees a fast cure time while minimizing shrinkage and ensuring a durable, flexible seal that won t crack or degrade under thermal cycling. Whether used for automotive repairs, industrial sealing, or custom gasket fabrication, this sealant combines the best of high-temperature resilience, chemical resistance, and mechanical durability, making it a trusted choice for those who demand nothing less than perfection in their sealing solutions. Its versatility and performance set it apart from conventional silicones, ensuring peace of mind in the most challenging applications.

**Pros and Cons of buying a Apel 731559714253 High-Temp RTV Silicone Gasket Maker Sealant (Heat 572, 2x 10.2 oz)**

### **Pros**

1. **High-Temperature Resistance** This sealant is designed to withstand temperatures up to **572 F (300 C)**, making it ideal for automotive, industrial, and high-heat applications such as exhaust systems, manifolds, and engine components.

2. **Versatile Application** Suitable for sealing gaskets, flanges, and joints in engines, turbochargers, and other high-stress mechanical parts where traditional RTVs may fail under extreme heat.

3. **Durable and Long-Lasting** The high-temperature formulation ensures better adhesion and longevity compared to standard silicone sealants, reducing the need for frequent reapplication.

4. **Easy to Use** Comes in a **2x 10.2 oz (280g) tube**, providing a good quantity for multiple applications without excessive waste. The nozzle design allows for precise application.

5. **Chemically Resistant** Resistant to oil, fuel, and other automotive fluids, making it reliable in harsh environments.

6. **Fast Curing** Dries relatively quickly, allowing for faster assembly and reduced downtime in repair or maintenance work.

7. **Brand Reputation** Apel is a trusted name in automotive and industrial sealants, known for quality and reliability in performance applications.

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### **Cons**

1. **Limited Flexibility After Curing** While effective for high-heat applications, some high-temp RTVs can become brittle over time, especially if exposed to extreme temperature fluctuations repeatedly.

2. **Not Ideal for Low-Temperature Use** If the application involves freezing conditions, this sealant may not perform as well as a general-purpose silicone.

3. **Messy Application** Like most RTVs, it can be slightly messy to apply, requiring careful handling to avoid overuse or accidental spills.

4. **Limited Color Options** Typically comes in clear or off-white, which may not be suitable for aesthetic applications where colored sealants are preferred.

5. **Potential for Overuse** Since it s a high-performance product, using too much can lead to excess material that may not cure properly or could interfere with mechanical movement.

6. **Shorter Shelf Life Once Opened** Once the tube is opened, the sealant should be used within a reasonable timeframe to prevent degradation.

7. **Cost** Compared to standard RTV silicone sealants, high-temp versions are generally more expensive, which may be a consideration for budget-conscious buyers.

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### **Conclusion**

The **Apel 731559714253 High-Temp RTV Silicone Gasket Maker Sealant** is an excellent choice for **high-heat automotive and industrial applications** where standard sealants would fail. Its **superior temperature resistance, durability, and reliability** make it a worthwhile investment for serious mechanics, DIY enthusiasts working on high-performance engines, or professionals dealing with exhaust systems, turbochargers, or other heat-intensive components.

However, if the application involves **low temperatures, frequent movement, or aesthetic concerns**, a different type of sealant (such as a flexible silicone or a general-purpose RTV) might be more appropriate. The **cost and potential messiness** are minor drawbacks compared to its performance benefits.

### **Recommendation**

- You need a **high-temperature sealant** for **exhaust systems, engine gaskets, or turbochargers**.

- You work on **high-performance or modified vehicles** where standard sealants would not hold up.

- You prioritize **long-term durability and heat resistance** over flexibility or color options.

- Your application involves **extreme cold or frequent temperature swings**.

- You need a **flexible, low-modulus sealant** for moving parts.

- You are working on a **budget-sensitive project** where a cheaper, general-purpose silicone would suffice.

For most **automotive high-heat sealing needs**, this is a **strong, reliable choice** that justifies its cost. Always follow the manufacturer s instructions for best results.

Details:

Superior adhesion flexibility. Excellent bonding to wide range of applications, resists cracking, shrinking and migration caused by thermal cycling, resistance oil, water toxic chemicals, pressure resistant, makes air tight leak proof gaskets in seconds. It is resistant up to 482 F when exposed continuously and 572 temporarily heat. Forms to any shape instantly, it will not shrink or crack, high resistance and fast curing properties.

It is very resistant to the physical strain after being cured. EASY TO USE: Waterproof, gasket seal on most surfaces.: PHYSICAL STRAIN: High Temperature Heat Resistant from 104 F to 572. SUGGESTED APPLICATIONS: It can be easily used in sealing the stoves, applications where high heat resistance is required such as heating devices, pumps and motors, chimneys, hot water boilers, electric home appliances, rear main bearing cap split line, automatic transmission pan, case halves inside cover, damper key way sealing, differential manifolds, oil pan corner seals, thermostat, valve cover gasket, pump exhaust manifold connection points.

PRODUCT FEATURES: It is cured acetic system and when formation of a flexible silicone gasket can be observed. RTV HIGH-TEMP SILICONE: Is a gasket maker and sealant, heat resistant Room Temperature Vulcanized Silicone, used with sealing purposes in heating systems, automobiles, other vehicles especially adhesion works of the motor components.

specifications automobilefluids:

• for models: Rtv
• brand: Apel
• type: Gasket Maker
• package quantity: Pack Of 2
• country of origin: T Rkiye
• upc: 731559714253

general automobilefluids:

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

seller automobilefluids:

• rating: 99.6%
• city: Alexandria, Virginia
• # reviews: 6508

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• wallet: Paypal
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• policy: No Returns

offer automobilefluids:

• started: May 18, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock

shipping automobilefluids:

• type: Fixed
• service: Standard
• class: Standard
• cost: $0.00
• transit: 3-9 Days