Bostik Seal āNā Bond Crystal Clear H505 is a versatile, high-performance sealant and adhesive designed to provide a strong, flexible, and durable bond for a wide range of applications. This premium product is ideal for both professional tradespeople and DIY enthusiasts who require a reliable solution for sealing, bonding, and repairing in various environments.
Manufactured by Bostik, a trusted name in the sealants industry, Seal āNā Bond Crystal Clear H505 is known for its exceptional clarity and excellent adhesion properties. Its crystal-clear finish ensures that it blends seamlessly with most surfaces, making it perfect for applications where appearance matters. The product cures to form a tough, flexible seal that resists cracking, peeling, and ageing, maintaining its integrity even under stress and varying weather conditions.
Product Features and Benefits
- Crystal clear, non-yellowing finish for invisible repairs and seals
- High elasticity and flexibility to accommodate substrate movement without failure
- Excellent adhesion to a broad range of materials including glass, timber, metals, ceramics, plastics, and painted surfaces
- Weatherproof, UV resistant, and suitable for both interior and exterior use
- Paintable after curing for added versatility in decorative applications
- Solvent-free and low odour for safer use in confined spaces
Typical Applications
Seal āNā Bond Crystal Clear H505 is perfect for sealing joints and gaps around windows, doors, glass panels, and other building elements. It is widely used for waterproofing, filling cracks, bonding materials in construction, and general repair jobs. Its crystal-clear nature makes it suitable for applications where maintaining aesthetics is crucial, such as glass display cases, aquariums, and decorative trims.
Variations and Packaging
This sealant is typically available in cartridges compatible with standard caulking guns, usually in sizes around 290ml. It is supplied in a ready-to-use format, requiring no mixing, which simplifies application and reduces downtime on site. Bostik also offers a range of other Seal āNā Bond variants to cater to specific project requirements, including coloured versions and different cure times.
Technical Specifications
| Property | Value |
| Colour | Crystal Clear |
| Base | Modified Silicone Hybrid |
| Skin Time | Approximately 20 minutes |
| Cure Time | 2-3 mm per 24 hours |
| Application Temperature | 5°C to 40°C |
| Service Temperature | -40°C to 90°C |
| Shore Hardness | Approx. 35 (shore A) |
Usage Tips
For best results, ensure surfaces are clean, dry, and free from grease before application. Apply using a standard caulking gun, tooling the sealant to form a smooth finish. The product can be painted once fully cured to match surrounding surfaces.
In summary, Bostik Seal āNā Bond Crystal Clear H505 offers a durable, flexible, and aesthetically pleasing solution for sealing and bonding needs across residential, commercial, and industrial projects. Its strong adhesion, weather resistance, and crystal-clear finish make it a dependable choice for professionals who demand quality and reliability.







