Top Waterproof Silicone Sealant for Strong, Leak-Free Bonds
KASTAR WSS Waterproof Silicone Sealant is a premium, one-component silicone-based sealant engineered to provide superior waterproofing and sealing solutions for a wide range of construction and remodeling applications. Its advanced formulation ensures exceptional adhesion to materials such as glass, metal, wood, and masonry, delivering watertight and airtight seals that enhance energy efficiency and prevent drafts. Resistant to extreme weather conditions, UV rays, and temperature fluctuations, KASTAR WSS is ideal for both indoor and outdoor use. With a smooth, non-sagging consistency, this sealant is easy to apply using a caulking gun, ensuring a professional-grade finish that maintains its integrity and performance over time, safeguarding windows, doors, bathrooms, kitchens, and other critical areas against moisture and air infiltration.
Appearance: Smooth paste
Density (g/cm³): 1.25
Sagging properties (mm): 0
Shore A hardness (A°): 30
Tack free time (min): 120
Tensile strength (MPa): 5.0
KASTAR WSS Waterproof Silicone Sealant is meticulously formulated to meet the diverse waterproofing and sealing needs of construction and remodeling projects. Its high-quality silicone composition ensures superior adhesion to a variety of substrates, including glass, metal, wood, and masonry, making it ideal for sealing windows, doors, bathrooms, kitchens, and exterior joints. This “waterproof silicone sealant” offers outstanding resistance to extreme weather conditions, UV radiation, and temperature fluctuations, ensuring that seals remain intact and effective over time.
The sealant’s exceptional flexibility allows it to accommodate the natural expansion and contraction of building materials, preventing cracks and maintaining watertight and airtight seals that enhance energy efficiency and comfort. Its smooth, non-sagging consistency facilitates easy and precise application with a caulking gun, resulting in a clean and professional finish without dripping or running. Additionally, KASTAR WSS is mold and mildew resistant, making it a hygienic choice for areas prone to moisture. With its long-lasting durability and low maintenance requirements, KASTAR WSS Waterproof Silicone Sealant is the trusted solution for professionals and homeowners seeking reliable and high-performance waterproofing and sealing.
- Window Installations: Creates watertight and airtight seals around window frames to enhance energy efficiency and prevent drafts.
- Door Installations: Provides airtight and watertight seals around door frames, enhancing energy efficiency and security.
- Bathroom and Kitchen Sealing: Ideal for sealing sinks, tubs, showers, and countertops to prevent water ingress and mold growth.
- Exterior Joints: Perfect for sealing expansion joints, façade seams, and other exterior construction joints exposed to the elements.
- Glass and Metal Bonding: Ensures strong adhesion and flexible sealing for glass panels, metal fixtures, and architectural elements.
| NO. | ITEM | DATA |
| 1 | Basic material | Silicone Polymer |
| 2 | Color | White, Clear, or Colored |
| 3 | Consistency | Paste |
| 4 | Application Consistency | Caulking Gun |
| 5 | Net Weight | 600 ml |
| 6 | Average Nonvolatile(FSTM 9A) | 95% |
| 7 | Temperature Resistance | -50℃ to 200℃ |
| 8 | Service Temperature limits | -40℃ to 150℃ |
| 9 | Storage Temperature | 5℃ to 35℃ |
| 10 | Application Temperature | 5℃ to 40℃ |
| 11 | Skin Drying Time(mins) | 120 |
| 12 | Density | 1.25 |
| 13 | Shrinkage(mm) | 0 |
| 14 | Tack free time（min） | 120 |
| 15 | Curing rate(2mm/h) | 24 hours |
| 16 | Solid content (%) | 95 |
| 17 | Shelf life | 18 months |
| 18 | Storage | Store in a cool, dry place away from direct sunlight. |
| NO. | ITEM | DATA |
| 1 | Basic material | Silicone Polymer |
| 2 | Color | White, Clear, or Colored |
| 3 | Consistency | Paste |
| 4 | Application Consistency | Caulking Gun |
| 5 | Net Weight | 600 ml |
| 6 | Average Nonvolatile(FSTM 9A) | 95% |
| 7 | Temperature Resistance | -50℃ to 200℃ |
| 8 | Service Temperature limits | -40℃ to 150℃ |
| 9 | Storage Temperature | 5℃ to 35℃ |
| 10 | Application Temperature | 5℃ to 40℃ |
| 11 | Skin Drying Time(mins) | 120 |
| 12 | Density | 1.25 |
| 13 | Shrinkage(mm) | 0 |
| 14 | Tack free time（min） | 120 |
| 15 | Curing rate(2mm/h) | 24 hours |
| 16 | Solid content (%) | 95 |
| 17 | Shelf life | 18 months |
| 18 | Storage | Store in a cool, dry place away from direct sunlight. |
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