Product Introduction
SS303 Kitchen and Bathroom Sealant is a premium-grade silicone sealant specially formulated for sealing joints and gaps in kitchens and bathrooms. It offers excellent protection against mold, mildew, and water damage, ensuring long-lasting durability in wet environments. With superior adhesion to surfaces such as ceramic, glass, and metal, it is ideal for sealing around sinks, tubs, showers, and countertops. The sealant also resists high humidity and temperature fluctuations, making it perfect for demanding indoor wet areas.
Main Applications
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Sealing non-structural curtain wall joints
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Suitable for marble, granite, concrete, ceramic, most plastics, tiles, and brickwork
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General exterior wall gap-filling and waterproofing
SS303 Neutral Cure Silicone Sealant Key Features
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One-component, neutral-cure formulation delivering excellent sealing performance
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Outstanding weather resistance, including anti-UV and anti-ozone properties
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Forms a strong, durable bond with most common building materials without requiring a primer
Application Instructions
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Clean substrate surfaces thoroughly using solvents such as toluene or acetone. Ensure surfaces are dry and free of dust or grease.
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For a neat finish, mask the edges of joint areas before applying the sealant.
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Cut the nozzle to the desired bead size and apply the sealant evenly into the joints.
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Smooth the sealant immediately after application and remove masking tape before the sealant skins over.
Technical Performance
Tested at 23±2°C and 50±5% RH
Property | Standard Requirement | Measured Value | Testing Method |
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Density (g/cm³) | ±0.1 | 0.98 | GB/T 13477 |
Skin-Free Time (min) | ≤30 | 5 | GB/T 13477 |
Extrusion Rate (ml/min) | ≥80 | 260 | GB/T 13477 |
Tensile Modulus @ 23°C (MPa) | >0.4 | 0.45 | GB/T 13477 |
Vertical Slumpability (mm) | ≤3 | 0 | GB/T 13477 |
Horizontal Slumpability | No shape change | No shape change | GB/T 13477 |
Curing Speed (mm/day) | ≥2 | 3.5 | — |

After 21 days curing at 23±2°C and 50±5% RH
Property | Standard Range | Measured Value | Testing Method |
---|---|---|---|
Hardness (Shore A) | 20 – 60 | 32 | GB/T 531 |
Tensile Strength (MPa) | — | 0.45 | GB/T 13477 |
Elongation at Break (%) | — | 200 | GB/T 13477 |
Movement Capability (%) | 12.5 | 20 | GB/T 13477 |
Storage
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Shelf life: 12 months in original unopened packaging, stored in a cool, dry place.
Contact Us
If you have any questions or need more information about our products and services, feel free to reach out to us through the following contact details:
Phone/WhatsAPP:
+86 15853657921
Email:
cy971109@gamil.com
Address:
No.198 Yishan Road,Dongcheng Street,Linqu County,Weifang City,Shandong Province,China
Customer Service Hours:
Available 24 hours a day, 7 days a week