Silfix® U7N
Silfix® U7N Silicone Sealant
M Barnwell Services supply the full range of Hodgson Silfix® Silicone Sealants, designed for the professional user. Silfix U7N is a low modulus, alcoxy cure silicone sealant and adhesive that possess exceptional tooling properties. Suitable for use in sanitary and plumbing applications for industrial, commercial and domestic applications where a highly elastic product that does not shrink or crack is required. Excellent adhesion is achieved to variety of non-porous substrates including; glass, ceramics, aluminium and painted timber, with the added benefit of containing a fungicide and no strong odour.
Key Features:
- Odourless -Non acetoxy or oxime-based cure with reduced H&S issues
- Good tooling and application characteristics
- Cures to form a durable weatherproof seal flexible at low and high temperatures
- Good adhesion to a wide variety of surfaces including PVC-U, coated timber, brickwork, concrete, GRP, stainless / galvanised steel, aluminium and lead
Uses Of Silfix® U7N:
- Sealing around baths, basins and shower trays
- Sealing between dissimilar materials such as; uPVC, aluminium, composite and timber frames into masonry, brick and plaster walls
- Most Sanitary Applications
- Waterproofing of rimless sinks
- General sealing and caulking applications Connection joints of plumbing fixtures and ceramic tiles
Silfix® U7N Silicon Sealant can be used in a variety of industries including; Food & Drink, Water & Gas, Earth Moving & Construction, and Pharmaceutical.
Sealant Properties:
Application temperature range: +5°C to +40°C
Curing rate: Cures at a rate of approx. 2 mm in 24 hours at 23°C @ 55% RH. Lower temperatures and drier conditions will result in a slower rate of cure
Shelf life: 12 months
Skinning time: Skin forms after approximately 50 minutes at 23°C @ 55% RH
Working time: Approximately 15 minutes.
Performance:
Adhesion: Good to PVC-U, timber, brickwork, metals and aluminium. For further details contact our Technical Department
Base technology: Silicone polymer
Chemical resistance: Good to dilute acids and alkalis
Curing system: Neutral cure – Alkoxy
Hardness (Shore A 25°C): 16
Mould resistance: Good
Movement accommodation: ± 25%
Service temperature range: -40°C to +150°C
Slump: Nil
Specific gravity: 1.01 g/cm3
Tensile strength: ~ 1.1 N/mm2
Elongation at break: 500%
UV resistance: Excellent
Paintability: Not recommended (See HY-SPEC 25 for alternative)
You Are In Safe Hands
As a trusted supply partner to some of the world’s largest OEM manufacturing companies, M Barnwell Services are committed to providing quality products, whilst offering a first class, if not world class service.
With over £4 million sealing inventory and five strategically located branches throughout the UK, we are well placed to service your requirements and hope to exceed your expectations.
If you would like more information about our range visit the Silfix® Silicone Sealants page, contact a member of the team.