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Bostik 6S Sanitary & Tile Silicone Sealant

Bostik 6S Sanitary & Tile Silicone Sealant

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Price Per Unit: $180.00

Price Per Box: $162.00

Neutral cure, mould-resistant silicone sealant for bathrooms, kitchens, and tiles. Excellent adhesion and flexibility in high-moisture areas.
Vendor: Bostik
Availability: Out Of Stock
$252.20
$252.20
Prices do not include GST
Physical Properties
Chemical properties: Neutral cure silicone, mid modulus
Colour: Silver ash, pewter, charcoal, gloss white, mid grey
Skin time: 8–10 minutes
Tack free time: 30 minutes
Tooling time: 10 minutes
Sag or slump: Nil
Shore a hardness: 17–22
Modulus at 100% elongation: 0.4 mpa
Tensile strength: 1.1 to 1.5 mpa
Elongation at break: 630–670%
Peel strength after uv: 50 n/25mm
Dynamic movement capability: ± 25%
Accelerated ageing and weathering: Excellent
Application temperature range: -10°c to 40°c (14°f to 104°f)
Service temperature: -50°c to 150°c (-58°f to 302°f)
Storage temperature: Below 25°c (77°f)
Shelf life: 12 months from date of manufacture
Certifications: Nzfsa c82, astm c920
Size and packaging: 300ml cartridge, 20 per box

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Shipping & Delivery

$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Rural, remote areas and site deliveries are also ineligible. If your order includes any of these, we will contact you to arrange additional freight fees. Online purchases only.

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Bostik 6S Sanitary & Tile Silicone Sealant
Bostik
Bostik 6S Sanitary & Tile Silicone Sealant
$252.20
Bostik 6S Sanitary & Tile Silicone Sealant
Bostik
Bostik 6S Sanitary & Tile Silicone Sealant
$252.20
Colour: Charcoal
Package Type: Box Buy (20)
Description  

Please note, this product is BOX BUY only.

Use Bostik 6S Sanitary & Tile Silicone Sealant for: Sealing bathrooms, kitchens, splashbacks, and tile joints to prevent mould and ensure flexible, waterproof seals.

Bostik 6S Sanitary & Tile Silicone Sealant is a high-performance, one-part neutral cure silicone designed for use in wet and tiled areas. Engineered to resist mould and mildew, it provides long-lasting, flexible seals in bathrooms, kitchens, and cool rooms. With excellent adhesion to ceramics, glass, and powder-coated metals, it’s ideal for professional trades requiring reliable sealing in moist environments. The non-slump, thixotropic formula ensures easy application and professional finishes, even on vertical joints. Suitable for Australian conditions, this mid-modulus sealant is the go-to choice for trade professionals.

Key Features of Bostik 6S Sanitary & Tile Silicone Sealant

  • Contains fungicide to inhibit mould and mildew growth
  • Neutral cure for low odour and safer indoor use
  • Excellent adhesion to powder-coated metals and ceramics
  • Non-slump formula ensures clean, even application on vertical joints
  • Suitable for use in cool rooms and wet areas

Technical Overview

  • Chemical Properties: Neutral cure silicone, mid modulus
  • Application Temperature Range: -10°C to 40°C (14°F to 104°F)
  • Service Temperature: -50°C to 150°C (-58°F to 302°F)
  • Skin Time: 8–10 minutes
  • Movement Capability: ±25%

Trade Professional Information

  • Required Tools: Cartridge gun, tooling spatula, clean cloth, IPA or Z Bond® R-40 cleaner
  • Trade-Specific Tips: Use closed cell polyethylene backing rod for joint control and avoid three-sided adhesion
  • Common Issues and Solutions: Avoid use on incompatible surfaces (e.g., plasticised sealants, bitumen) to prevent cure issues or discolouration

Storage and Shelf Life

  • Storage Requirements: Cool, dry place below 25°C (77°F)
  • Shelf Life Information: 12 months from date of manufacture
  • Temperature Considerations: Avoid prolonged storage at high temperatures

Certifications

  • NZFSA C82 – Suitable for food processing environments
  • Complies with ASTM C920 for dynamic movement capability
Common Questions  

Frequently Asked Questions About Bostik 6S Sanitary & Tile Silicone Sealant

Q: How do I apply Bostik 6S for a clean, professional finish?

A: Ensure the surface is clean and dry. Use a cartridge gun to apply the sealant, and tool off the joint before skin forms. For best results, use a backing rod and avoid three-sided adhesion.

Q: How long does Bostik 6S take to cure completely?

A: Bostik 6S skins over in 8–10 minutes and cures to a depth of 7mm within 7 days. Full cure depends on temperature and humidity levels in the application environment.

Q: Is Bostik 6S compatible with natural stone surfaces?

A: Bostik 6S is not recommended for granite, marble, or porous stone. For these materials, use Bostik 5CLM to avoid potential staining or adhesion issues.

Uses & Benefits  

Use Bostik 6S Sanitary & Tile Silicone Sealant for:

  • Sealing joints in bathrooms, including showers and around baths
  • Kitchen splashbacks and bench top edges for waterproof seals
  • Tile and grout areas requiring flexible and hygienic joints
  • Cool rooms and refrigerated spaces needing mould-resistant sealant

Why Use Bostik 6S Sanitary & Tile Silicone Sealant:

  • Reduces mould and mildew growth in high-moisture areas
  • Neutral cure ensures low odour and safer indoor use
  • Non-slump formula allows for precise vertical application
  • Meets NZFSA standards for sanitary and food-safe environments
How To Apply  

How to apply Bostik 6S Sanitary & Tile Silicone Sealant:

  1. Ensure all surfaces are clean, dry, and free from dust, oil, and grease.
  2. Use a backing rod to control joint depth and avoid three-sided adhesion.
  3. Cut the cartridge tip and nozzle to suit the joint size, then load into a caulking gun.
  4. Apply sealant evenly into the joint, ensuring full contact with the substrate.
  5. Tool off before skin forms (within 8–10 minutes) for a smooth, neat finish.
  6. Allow at least 7 days for full cure before exposing to water or cleaning agents.
Limitations and Safety Info  

Bostik 6S Sanitary & Tile Silicone Sealant limitations:

  • Not suitable for aquariums or underwater applications such as swimming pools.
  • Do not use for structural glazing or mirror adhesion.
  • Unsuitable for natural stone without prior stain testing.
  • Cannot be painted over – use colour-matched sealant for aesthetic needs.
  • Not for horizontal walkways or heavy foot traffic areas.

Safety precautions when using Bostik 6S Sanitary & Tile Silicone Sealant:

  • Personal Protective Equipment: Wear gloves and eye protection during application.
  • Ventilation: Ensure adequate ventilation in confined spaces during curing stage.
  • Handling: Avoid skin and eye contact; wash thoroughly after use.
  • Do not ingest; seek medical attention if swallowed or if irritation persists after exposure.
Suitable Substrates  

Bostik 6S Sanitary & Tile Silicone Sealant can be used on the following substrates:

  • Ceramic Tiles – Clean and dry for optimal adhesion
  • Fibreglass Spa Units – Non-porous surfaces ensure strong bonds
  • Powder-Coated Metal – Excellent adhesion properties
  • Glass – Clear finish available, strong long-term adhesion
  • Cool Room Panels – Ideal for hygienic sealing in temperature-controlled environments

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