DOW CORNING 13243 Dowsil Glass Rtv Sealant 733 10.1 Oz. Ea.

( Brand: Dow Corning ), ( Manufacturer Part Number: 13243 ), ( Part Type: Aluminum ), ( Country Of Origin: United States )

Review DOW CORNING Dowsil 733 Aluminum Glass And Metal Rtv Sealant 10.1 Oz. Ea. Lot Of

Dow Corning 13243 DOWSIL 733 Glass RTV Sealant is a high-performance, one-component, room-temperature vulcanizing (RTV) silicone rubber sealant specifically formulated for demanding applications where exceptional adhesion, durability, and resistance to extreme environmental conditions are required. This premium-grade product is designed to provide a reliable, long-lasting seal for glass-to-glass, glass-to-metal, and glass-to-masonry applications, making it an ideal choice for architectural, automotive, and industrial settings where precision and reliability are critical. The sealant features a clear, translucent finish that maintains an aesthetically pleasing appearance while offering superior clarity and UV resistance, ensuring it remains visually unobtrusive even under prolonged exposure to sunlight. Its formulation includes a unique glass-reinforced filler system that enhances mechanical strength, flexibility, and resistance to thermal cycling, temperature extremes, and moisture, making it capable of withstanding operating temperatures ranging from -60 F to 500 F (-51 C to 260 C). Ideal for use in high-performance glazing systems, solar panel installations, and other critical applications where a robust, non-corrosive seal is essential, Dow Corning 13243 delivers outstanding adhesion to a wide variety of substrates, including glass, aluminum, steel, stainless steel, and most plastics, without requiring surface priming. The sealant s low modulus and high elongation properties ensure it remains flexible and resilient over time, preventing cracking or degradation due to structural movement or thermal expansion. With a pot life of approximately 30 minutes at room temperature, this sealant offers a convenient application window while maintaining excellent workability and ease of use. Once cured, it forms a durable, waterproof barrier that resists ozone, weathering, and chemical exposure, providing long-term protection against leaks, condensation, and environmental contaminants. Dow Corning 13243 is also compatible with a variety of glazing systems, including insulated glass units (IGUs), double-glazed windows, and architectural glass facades, where a high-performance sealant is necessary to maintain structural integrity and energy efficiency. Available in a 12-ounce (340 mL) cartridge with a 10.1-inch (25.6 cm) length, this product is packaged in a user-friendly, easy-to-grip design that ensures precise dispensing and minimal waste, making it suitable for both professional contractors and DIY enthusiasts. Whether used in residential, commercial, or industrial projects, Dow Corning 13243 DOWSIL 733 Glass RTV Sealant sets the standard for reliability and performance, offering a versatile solution for sealing applications where nothing less than excellence will suffice.

**Pros and Cons of Buying Dow Corning 13243/DowSIL 733 Glass RTV Sealant (10.1 oz, 12-pack)**

### **Pros**

1. **High-Quality Performance** Dow Corning 733 is a silicone-based RTV (Room Temperature Vulcanizing) sealant designed for high-temperature applications, making it ideal for glass, metal, and ceramic bonding in automotive, industrial, and DIY projects. It provides excellent adhesion, durability, and resistance to heat, weather, and UV exposure.

2. **Versatile Applications** Suitable for sealing and bonding glass, metal, ceramic, and some plastics, making it useful for automotive windshield repairs, oven door seals, appliance gaskets, and general construction work.

3. **Long Shelf Life** The product has a long shelf life when unopened, ensuring reliability for future use.

4. **Easy to Apply** Comes in a convenient tube with a precision tip for controlled application, reducing waste and improving precision in sealing tasks.

5. **Resistance to Extreme Conditions** Performs well in high-temperature environments (up to 450 F/232 C) and remains flexible, preventing cracking or degradation over time.

6. **Non-Yellowing** Maintains a clear or neutral appearance, which is important for aesthetic applications like automotive windshields or glasswork.

7. **Chemically Resistant** Offers good resistance to oils, fuels, and some chemicals, making it durable in harsh environments.

### **Cons**

1. **Cost** Dow Corning products are generally more expensive than generic or lower-end silicone sealants, which may be a drawback for budget-conscious buyers.

2. **Shorter Pot Life** Once mixed (if applicable) or exposed to air, the working time is limited, requiring quick and efficient application.

3. **Not for All Surfaces** While it bonds well to glass, metal, and ceramics, it may not adhere properly to porous or untreated surfaces like wood or certain plastics without proper preparation.

4. **Requires Clean Surfaces** For optimal adhesion, surfaces must be clean, dry, and free of contaminants (oil, grease, dust). Poor surface prep can lead to bonding failures.

5. **Slight Odor** Like many silicones, it has a mild chemical odor that may linger until fully cured.

6. **Limited Color Options** Available primarily in clear or neutral shades; specialized colors may require additional mixing or application techniques.

### **Conclusion**

Dow Corning 13243/DowSIL 733 is a premium-grade RTV sealant that excels in high-performance applications where durability, heat resistance, and adhesion are critical. Its reliability and versatility make it a top choice for professionals and serious DIYers, though the higher cost and specific application requirements may not justify its use for minor or low-stakes projects. If you need a sealant for automotive, industrial, or high-temperature applications, this product delivers superior results. For casual or low-demand uses, a more affordable alternative might suffice.

### **Recommendation**

- You require a high-performance, heat-resistant sealant for automotive (e.g., windshield repairs), industrial, or appliance applications.

- You prioritize long-term durability and adhesion over cost.

- You are working with glass, metal, or ceramic surfaces that demand professional-grade bonding.

- You are on a tight budget and can use a more economical sealant for your project.

- Your application does not involve high temperatures or extreme conditions.

- You lack experience with silicone sealants and are unsure about proper surface preparation or application techniques.

For most professional or high-stakes sealing jobs, the investment in Dow Corning 733 is justified by its performance and longevity. For casual or one-time use, consider alternatives like generic silicone sealants or lower-cost brands if compatibility allows.

Details:

5 cases total 60 each The Dow Corning Dowsil 733 ALUMINUM Glass Metal RTV Sealant is a high-quality adhesive product designed for sealing aluminum and glass surfaces. Sealant comes in a convenient lot of 12, making it an ideal choice for industrial and commercial applications. Made in the USA by Dow Corning, a trusted brand adhesives and sealants, this product provides strong durable bonding capabilities for wide range of surfaces.

part #: 13243 prices

• $39.99-$100.00

specifications sealantadhesivee:

• brand: Dow Corning
• mpn: 13243
• part type: Aluminum
• country of origin: United States

shipping sealantadhesivee:

• service: UPS Ground
• type: Calculated
• transit: 5-10 Days
• class: Standard
• carrier: UPS
• cost: $23.08

general sealantadhesivee:

• condition: New
• Adhesives, Sealants Tapes > Caulks, Sealants Removers > Caulks Sealants

payments sealantadhesivee:

• other
• money order
• wallet: Paypal
• credit card: Visa

offer sealantadhesivee:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: February 14, 2026
• best offers: True

seller sealantadhesivee:

• # reviews: 5
• city: Pottstown, Pennsylvania
• rating: 100.0%

returns sealantadhesivee:

• policy: No Returns

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