Delivering Fluid Sealing Solutions Since 1972

Silfix® LMN

Silfix® LMN Silicone Sealant

M Barnwell Services supply a range of Silfix® Silicone Sealants, designed for the professional user. Silfix® LMN is a one-part, neutral cure, silicone sealant which offers good all-round performance and durability in most construction joints.

Silfix® LMN

Key Features:

  • Good adhesion to a wide variety of surfaces including PVCu, coated timber, brickwork, concrete, GRP, stainless / galvanised steel, aluminium and lead
  • Cures to form a durable weatherproof seal flexible at low and high temperatures
  • Good tooling and application characteristics
  • Non oxime based cure with reduced H&S issues

Uses Of Silfix® LMN:

  • Sealing penetration joints, gutters, fascias, trims and flashings in domestic and metal clad buildings
  • Perimeter pointing and sealing around timber, metal and PVCu windows and doors

Silfix® LMN Silicon Sealant can be used in a variety of industries including; Earth Moving & Construction, and Automotive.

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 30 minutes at 23°C @ 55% RH.
Working time: Approximately 15 minutes

Performance:

Adhesion: Good to PVC-U, timber, brickwork, metals and aluminium.
Base technology: Silicone polymer
Chemical resistance: Good to dilute acids and alkalis
Curing system: Neutral cure – Alkoxy
Hardness (Shore A 25°C): 20
Mould resistance: None
Movement accommodation: ± 25%
Paintability: Not recommended (See HY-SPEC 25 for alternative)
Service temperature range: -40°C to +150°C
Slump: Nil
Specific gravity: 1.01 – 1.03 g/cm3 (Colour Dependant)
Tensile strength: ~ 1.1 N/mm2
Elongation at break: 500%
UV resistance: Excellent

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.

Health and Safety

Non-flammable
Wash hands immediately after use
Consult Product Safety Data Sheet before use

Packaging

310ml cartridges - 25 per case
Colours: Translucent, White, Black, Brown, Grey & Anthracite (RAL7016). Toffee/Caramel, Teak/Rosewood

Estimating Quantities

Number of cartridges = ( Joint depth (mm) x Joint width (mm) x Length (M) ) / Volume of cartridge (ml)
This calculation does not allow for wastage.

Technical Approvals

Conforms to EN15651-1: F-EXT-INT-CC, EN15651-2: G-CC
Tested by BSRIA and shown to be effective in meeting the requirements for DW144 Class C High Pressure Ductwork up to 1500Pa.(Report No. 58936/2)

Limitations

Do not use for aquaria construction or long-term underwater applications
Do not use in conjunction with bitumen, asphalt or natural stones
Do not use in contact with edge sealants of double-glazed units – use Silfix® U9
Not recommended for use with low surface energy materials such as: polyethylene, polypropylene and Teflon
Not suitable for use as a mirror adhesive
The priming of surfaces such as concrete and gypsum is recommended for optimum adhesion