1. Sealant & Adhesives For Sale
  2. sku: 17838948705061782
  3. DOWSIL 890-SL

DOWSIL 890-SL Silicone Joint Sealant Sausages 4/26

890-sl Dowsil Silicone Joint Sealant Sausages Qty Of 16 20 Fl Oz -use By 4/26

( Brand: Dowsil ), ( Manufacturer Part Number: 890-SL ), ( Type: Silicone Joint Sealant ), ( Unit Type: Fl Oz ), ( Unit Quantity: 16 Pcs. )

Review DOWSIL Silicone Joint Sealant Sausages Qty Of Fl Oz Use By 4/26

**DOWSIL 890-SL Silicone Joint Sealant Sausages** are a premium, high-performance adhesive and sealant solution designed to deliver exceptional durability, flexibility, and weather resistance for a wide range of construction, automotive, and industrial applications. Each 16-ounce sausage tube contains a high-quality, one-component, neutral-cure silicone sealant formulated with advanced polymer technology to ensure long-lasting adhesion and protection against harsh environmental conditions. The **4:26** ratio of base to catalyst within the system optimizes curing efficiency, allowing for quick handling strength while maintaining full performance over time. This sealant excels in bridging gaps, filling joints, and sealing edges in applications such as windows, doors, roofing, HVAC systems, automotive bodywork, and marine environments, where exposure to UV radiation, temperature fluctuations, and moisture can compromise weaker materials. Its **neutral cure** formulation minimizes the risk of discoloration or corrosion on sensitive surfaces like painted metal, glass, or plastics, making it ideal for both interior and exterior use. With a **flexibility range of -65 F to 300 F (-54 C to 149 C)**, the sealant remains resilient in extreme climates, preventing cracking or peeling while maintaining its waterproof and airtight integrity. The **non-sagging, thixotropic consistency** of the sausage ensures precise application, reducing waste and allowing for clean, professional finishes on vertical or overhead surfaces. Whether used in professional construction projects or DIY repairs, DOWSIL 890-SL provides a reliable, long-term solution that bridges the gap between durability and ease of use, ensuring a tight, weatherproof seal that stands the test of time.

**Pros and Cons of Buying DOWSIL 890-SL Silicone Joint Sealant (16 oz/473 mL, 20-pack)**

**Pros:**

1. **High-Quality Performance:** DOWSIL 890-SL is a premium-grade silicone sealant designed for sealing and bonding applications in both indoor and outdoor environments. It provides excellent adhesion to a wide range of materials, including glass, metal, wood, concrete, and most plastics, making it versatile for various projects.

2. **Durability and Longevity:** This sealant is formulated to withstand extreme temperatures, UV exposure, and moisture, ensuring long-lasting performance. It remains flexible and resistant to cracking or peeling over time, which is ideal for both residential and commercial applications.

3. **Easy Application:** The sealant comes in a convenient sausage-style cartridge, which is easy to use with standard silicone caulk guns. The smooth, consistent flow makes it simple to apply evenly in joints, gaps, and seams.

4. **Neutral Curing:** The sealant cures to a clear, neutral color, making it less noticeable when applied to light-colored surfaces. This is particularly useful for aesthetic-sensitive projects where visibility is a concern.

5. **Non-Sagging Formula:** The 890-SL formula is designed to resist sagging, ensuring a clean, professional finish even when applied vertically or in larger gaps.

6. **Low Odor:** Compared to some other silicone sealants, DOWSIL 890-SL has a relatively low odor, which can be beneficial for indoor applications where ventilation may be limited.

7. **Wide Range of Applications:** Suitable for sealing windows, doors, bathrooms, kitchens, roofs, and other areas where waterproofing and flexibility are required. It can also be used in automotive and industrial applications.

8. **Resistance to Mold and Mildew:** The sealant includes antimicrobial properties, which help prevent mold and mildew growth in damp or humid conditions.

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**Cons:**

1. **Cost:** DOWSIL 890-SL is a premium product, and its price is higher than many generic or budget silicone sealants. For small projects or occasional use, the cost per ounce may not be justified.

2. **Limited Color Options:** The sealant is primarily available in clear or neutral shades. If you need a specific color match for a project, you may need to purchase additional tinting agents or rely on other sealants.

3. **Not Suitable for All Surfaces:** While it adheres well to many materials, it may not bond effectively to certain types of smooth plastics (e.g., polyethylene or Teflon) or surfaces with high levels of oil, grease, or silicone residue. Proper surface preparation is essential.

4. **Shorter Shelf Life:** Like most silicone sealants, DOWSIL 890-SL has a limited shelf life once the cartridge is opened. Unused portions may harden or become unusable after a few months, depending on storage conditions.

5. **Requires Proper Surface Prep:** For optimal adhesion, surfaces must be clean, dry, and free of dust, oil, or loose material. Skipping this step can lead to poor bonding and sealant failure.

6. **Not a Structural Adhesive:** While it provides strong sealing, DOWSIL 890-SL is not designed to bear heavy structural loads or replace traditional adhesives for bonding purposes.

7. **Environmental Considerations:** Silicone sealants, including DOWSIL 890-SL, are not biodegradable and may pose environmental concerns if not disposed of properly. This could be a consideration for eco-conscious consumers.

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**Conclusion:**

DOWSIL 890-SL Silicone Joint Sealant is an excellent choice for high-quality, long-lasting sealing applications where durability, flexibility, and adhesion are critical. Its premium performance justifies the cost for professional or large-scale projects, particularly in areas exposed to harsh conditions like outdoor elements or high humidity. However, for small, infrequent, or budget-sensitive projects, a more affordable alternative might be more practical.

**Recommendation:**

Purchase DOWSIL 890-SL if you are undertaking a project that requires a reliable, long-lasting sealant for outdoor or high-moisture areas, such as sealing windows, doors, bathrooms, or roofs. It is also a strong choice for applications where aesthetics matter, thanks to its neutral cure and smooth finish. If you are working on a smaller project or need a cost-effective solution, consider a mid-range silicone sealant from a reputable brand that still offers good performance. Always ensure surfaces are properly prepared before application to maximize the sealant s effectiveness.

Details:

part #: 890 price

  • $22.99

specifications sealantadhesivee:

  • brand: Dowsil
  • mpn: 890-sl
  • type: Silicone Joint Sealant
  • unit type: Fl Oz
  • unit quantity: 16 Pcs.

returns sealantadhesivee:

  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted
  • paid by: Seller

seller sealantadhesivee:

  • # reviews: 1918
  • city: Pell City, Alabama
  • rating: 100.0%

payments sealantadhesivee:

  • credit card: Diners-club
  • other
  • wallet: Paypal

offer sealantadhesivee:

  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • started: February 23, 2026

shipping sealantadhesivee:

  • carrier: USPS
  • transit: 3-8 Days
  • type: Calculated
  • cost: $0.00
  • class: Standard
  • service: USPS Ground Advantage

general sealantadhesivee:

  • condition: New Open box
  • Adhesives, Sealants Tapes > Caulks, Sealants Removers > Caulks Sealants
type: silicone joint sealant, unit type: fl oz, unit quantity: 16 pcs.,
category: business & industrial > adhesives, sealants tapes > caulks, sealants removers > caulks sealants, sku: 17838948705061782,
Dowsil 890 Is Similar To:
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1 offer $22.99 USD
  • New. Offer #1 priced at $22.99 + $0.00 shipping estimate = $22.99* total. Known for its durability and flexibility, the Dowsil sealant provides a strong and long-lasting bond to ensure water and air tight seals The Dowsil Silicone Joint Sealant is a 20 oz roll of silicon caulk manufactured by Dow Corning.FREE SHIPPING

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