APEL GM700 High Performance Rtv Silicone Gasket Maker Heat 023632530370 Sealant

( Brand: Apel ), ( Manufacturer Part Number: GM700 ), ( Part Type: Gasket Heat ), ( UPC: 023632530370 ), ( Size: 1 Pack )

Review APEL High Performance Rtv temp Silicone Gasket Maker And Sealant Heat Re

The **Apel GM700 High-Performance RTV High-Temp Silicone Gasket Maker Sealant** is a premium, industrial-grade adhesive designed to deliver exceptional sealing performance in demanding high-temperature environments. Formulated with a high-quality platinum-cured RTV (Room Temperature Vulcanizing) silicone base, this sealant provides an ultra-durable, flexible, and chemically resistant barrier that withstands extreme conditions without degrading or losing its integrity. Ideal for automotive, aerospace, HVAC, and mechanical applications, the GM700 excels in sealing gaps, joints, and flanges where conventional adhesives would fail under prolonged exposure to heat, vibration, or moisture. Its low-modulus elasticity ensures a tight, vibration-dampening seal that resists cracking or shrinking, even after repeated thermal cycling between -50 C and 315 C (-58 F and 600 F), making it perfect for engine bays, exhaust systems, brake components, and high-temperature insulation applications. The non-corrosive, non-conductive formula prevents metal degradation and electrical interference, while its fast cure time typically within 24 hours allows for quick assembly without compromising long-term reliability. Whether used for gasket replacement, leak prevention, or structural bonding in high-stress environments, the Apel GM700 delivers a professional, long-lasting solution that outperforms standard silicone sealants in both performance and durability.

**Pros and Cons of buying a Apel GM700 High-Performance RTV High-Temp Silicone Gasket Maker Sealant**

The Apel GM700 is a high-performance RTV (Room Temperature Vulcanizing) silicone gasket maker and sealant designed for high-temperature applications. Here are its key advantages:

1. **High-Temperature Resistance:** It can withstand temperatures up from -65 F to 600 F (-54 C to 315 C), making it suitable for automotive, industrial, and high-heat applications like exhaust systems, engine gaskets, and brake systems.

2. **Durability and Longevity:** The sealant is formulated to resist degradation from heat, vibration, and oxidation, ensuring long-lasting performance and reducing the need for frequent reapplication.

3. **Versatility:** It can be used for a wide range of applications, including sealing metal-to-metal joints, filling gaps in gaskets, and creating custom gaskets. It bonds well to various surfaces like metal, rubber, glass, and plastic.

4. **Easy Application:** The product is designed for easy application with a caulking gun, spreading smoothly and adhering well without excessive sagging or dripping, even in vertical or overhead applications.

5. **Chemical Resistance:** It resists exposure to oils, fuels, and other automotive fluids, making it ideal for engine and transmission applications where chemical resistance is critical.

6. **Non-Shrinking:** Unlike some sealants that shrink as they cure, the Apel GM700 maintains its volume, ensuring a consistent and reliable seal over time.

7. **Fast Curing Time:** While not instantaneous, it cures relatively quickly, allowing for faster completion of projects compared to slower-sealing alternatives.

8. **High Compression Set Resistance:** It maintains its elasticity and sealing properties under compression, which is essential for applications where the seal is subjected to repeated stress or movement.

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1. **Cost:** It is more expensive than lower-grade or generic silicone sealants. The premium price reflects its high-performance capabilities, but it may not be cost-effective for minor or infrequent sealing tasks.

2. **Limited Flexibility:** Although it is flexible, it may not be as pliable as some specialized gasket materials (e.g., certain rubber compounds) in extreme bending or dynamic applications where flexibility is paramount.

3. **Application Skill Required:** While easy to apply, achieving a perfect seal especially in tight or irregular spaces may require some practice. Improper application can lead to weak seals or uneven curing.

4. **Cleanup Difficulty:** Silicone-based sealants can be challenging to remove once cured. Solvents or abrasives may be required to clean up excess material, which can be messy and time-consuming.

5. **Sensitivity to Moisture:** Although RTV sealants generally cure in the presence of moisture, excessive humidity or direct exposure to water during application can affect curing time or adhesion in some cases.

6. **Not Suitable for All Materials:** While it bonds well to many surfaces, it may not adhere perfectly to certain porous or non-cleaned surfaces (e.g., dirty metal or oil-contaminated areas). Proper surface preparation is essential.

7. **Environmental Considerations:** Like many silicone products, it may contain volatile organic compounds (VOCs) or other chemicals that could pose environmental or health risks if not handled or disposed of properly. Always follow safety guidelines.

8. **Limited Color Options:** It is typically available in a neutral gray or black color, which may not be ideal for aesthetic applications where color matching is important.

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The Apel GM700 is an excellent choice for high-performance sealing needs, particularly in automotive, industrial, and high-temperature applications. Its superior heat resistance, durability, and versatility make it a reliable option for professionals and DIY enthusiasts working on projects that demand long-lasting, high-quality seals. However, its higher cost and the need for careful application and cleanup may deter users looking for a budget-friendly or simpler solution.

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- You are working on high-heat applications such as exhaust systems, engine gaskets, or brake components.

- You need a durable, long-lasting seal that can withstand vibration, chemicals, and extreme temperatures.

- You are willing to invest in a premium product for professional-grade results.

- You are on a tight budget and only need a basic sealant for low-temperature or non-critical applications.

- You lack experience with high-performance sealants and are unsure about proper application techniques.

- Your project requires frequent reapplication or does not justify the cost of a high-end product.

For most serious automotive or mechanical projects involving high temperatures, the Apel GM700 is highly recommended due to its reliability and performance. Always follow the manufacturer s instructions for best results.

Details:

Number of Items: PRODUCT FEATURES: It is cured acetic system and when formation of a flexible silicone gasket can be observed. Water Resistance Level: Waterproof. Style: Industrial.

Style Name: Industrial. It is very resistant to the physical strain after being cured. 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. Material Type: Silicone.

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. EASY TO USE: Waterproof, gasket seal on most surfaces. Manufacturer: Mitre Apel. Compatible Material: Silicone.

APEL High Performance RTV High-Temp Silicone Gasket Maker and Sealant Heat Resistant from 104 F to 572 Red, 10.2 oz.: Size: 1 Pack, Brand: Apel, MPN: GM7 UPC: 0, EAN: 70,: Material. Superior adhesion flexibility. Unit Count: 10.2 Ounce. 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.

Brand Name: Apel. Forms to any shape instantly, it will not shrink or crack, high resistance and fast curing properties. Item Form: Liquid.

part #: gm700 prices

• $15.49-$43.96

specifications indheatexchanger:

• brand: Apel
• mpn: Gm700
• part type: Gasket Heat
• upc: 023632530370
• size: 1 Pack

general indheatexchanger:

• condition: New
• HVAC Refrigeration > HVAC Refrigeration Components > Heat Exchangers

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• city: US
• # reviews: 1266
• rating: 99.0%

offer indheatexchanger:

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

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• class: Economy
• type: Fixed
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• cost: $0.00
• transit: 3-8 Days

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• time: 30 Days
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