Waterproof Silicone Sealant
Waterproof Silicone Sealant is a one-component, moisture-curing silicone sealant designed to provide excellent waterproofing, sealing, and bonding performance. It cures upon exposure to atmospheric moisture, forming a flexible, durable, and weather-resistant rubber seal.Waterproof Silicone Sealant
Product Description
Waterproof Silicone Sealant is suitable for sealing joints exposed to water, humidity, and varying weather conditions. It provides excellent adhesion to glass, ceramic, aluminum, painted surfaces, and many non-porous building materials.
It remains flexible after curing and offers long-term resistance to UV rays, rain, moisture, and temperature fluctuations.
Features & Benefits
- 100% Waterproof
- Excellent adhesion to most non-porous materials
- UV Resistant
- Weather Resistant
- Flexible after curing
- Anti-aging performance
- Excellent durability
- Fast curing
- Easy application
- Crack resistant
- High elasticity
- Indoor & Outdoor use
- Low shrinkage
Typical Applications
Bathroom & Kitchen
- Wash basins
- Bathtubs
- Shower enclosures
- Kitchen sinks
- Countertops
Construction
- Window frames
- Door frames
- Curtain walls
- Glass partitions
- Expansion joints (low movement)
Interior
- Glass bonding
- Decorative panels
- Ceramic tiles
- Marble (Neutral grade recommended)
Exterior
- Aluminum frames
- ACP panel sealing
- Roofing joints
- Signboards
Suitable Substrates
- Glass
- Ceramic
- Aluminium
- Stainless Steel
- PVC
- UPVC
- Painted surfaces
- Fiberglass
- Porcelain
- Most non-porous materials
Limitations
Not recommended for:
- Structural glazing
- Aquarium applications
- Natural stone (Use Neutral Silicone)
- Mirrors (unless mirror-safe)
- PE, PP & PTFE plastics
- Continuous underwater immersion
- Food contact applications
Available Colors
- Clear
- White
- Black
Technical Data Sheet (TDS)
Appearance
| Property | Value |
|---|---|
| Base | Silicone Polymer |
| Cure System | Acetoxy Cure |
| Appearance | Smooth Paste |
| Color | Clear / White / Black / Grey |
| Density | 0.96–1.02 g/cm³ |
| Skin Formation Time | 5–15 Minutes |
| Tack Free Time | 15–25 Minutes |
| Cure Rate | 2–3 mm / 24 Hours |
| Sag | Nil |
| VOC | Low |
Cured Properties
| Property | Typical Value |
|---|---|
| Hardness (Shore A) | 18–25 |
| Elongation at Break | 350–500% |
| Tensile Strength | 1.2–2.0 MPa |
| Modulus @100% | 0.4 MPa |
| Joint Movement | ±20% |
| Service Temperature | -40°C to +150°C |
| Application Temperature | +5°C to +40°C |
| UV Resistance | Excellent |
| Water Resistance | Excellent |
| Weather Resistance | Excellent |
Chemical Resistance
Excellent resistance against:
- Water
- Rain
- Humidity
- UV Rays
- Mild Cleaning Chemicals
- Dilute Acids
- Dilute Alkalis
Application Method
Step 1
Clean the surface thoroughly.
Step 2
Ensure the substrate is dry and free from dust, grease, oil, and loose particles.
Step 3
Cut cartridge nozzle at a 45° angle.
Step 4
Apply using a standard caulking gun.
Step 5
Tool the sealant within 5 minutes using a spatula or finishing tool.
Step 6
Allow to cure completely before exposing to heavy water.
Coverage Guide
Approximate coverage for a 300 ml cartridge:
| Joint Size | Coverage |
|---|---|
| 5 × 5 mm | 12 meters |
| 6 × 6 mm | 8.3 meters |
| 10 × 10 mm | 3 meters |
Safety Information
- Avoid contact with eyes.
- Wear gloves during application.
- Keep away from children.
- Ensure adequate ventilation.
- Uncured sealant may cause skin irritation.
- Refer to the Safety Data Sheet (SDS/MSDS) before use.
Shelf Life
- 12 months from the date of manufacture when stored unopened in a cool, dry place.
Typical Specifications Summary
| Parameter | Value |
|---|---|
| Type | One-Component Silicone Sealant |
| Cure Type | Acetoxy Cure |
| Waterproof | Yes |
| Weather Resistant | Excellent |
| UV Resistant | Excellent |
| Paintable | No |
| Density | 0.96–1.02 g/cm³ |
| Skin Time | 5–15 min |
| Full Cure | 24–72 hours (depending on joint depth, temperature, and humidity) |
| Hardness | 18–25 Shore A |
| Elongation | 350–500% |
| Temperature Resistance | -40°C to +150°C |
| Shelf Life | 12 Months |