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Silfix® U8

Verified by manufacturer 3 months ago

Hodgson Sealants

A low modulus, neutral cure, solvent-free, alkoxy silicone sealant.

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+44 (0)1482 868321 Website

Application

Suitable for:

  • Perimeter pointing of door and window frames.
  • Sealing between dissimilar materials such as unplasticized polyvinyl chloride (PVC-U), aluminium, composite and timber frames into masonry, brick and plaster walls.
  • Sealing curtain walling and pre-formed panels.
  • Joints in roofing, cladding, insulation and guttering.
  • Sealing of construction joints where movement can occur.
  • Use in expansion joints.
  • Bonding and sealing of PVC-U trims and components.
  • Sealing and bonding of metals including; lead, copper and bronze.
  • Glass to glass sealing.
  • General weather and draft-proofing applications.

Description

A low modulus, neutral cure, solvent-free, alkoxy silicone sealant with good application characteristics and high adhesion to a wide range of substrates used in the building envelope.


Features and benefits:

  • Low modulus, neutral cure (25LM).
  • Good tooling properties.
  • Good primer-less adhesion to most substrates.
  • High ultraviolet (UV) radiation, ozone and temperature resistance.
  • Low odour.
  • Non-slump.
  • CE marked for facade and glazing applications including cold climates to EN 15651-1-F-INT-EXT-CC: CLASS 25LM EN 15651-2: G-CC–25LM.
  • The product is specifically formulated and suitably packaged for the professional applicator.
  • Slump: Non-sag.
  • Base technology: Acetoxy; one component; RTV silicone polymer.

General information

Color

Black

Brown

Red

Guidance for specification option:

Brick red.

Grey

White

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Material

Silicon

Uniclass

Pr_30_31_76_77 Silicone construction joint sealantsPrimary

CAWS

E40/530 Sealant

F11/116 Mortar jointed, sealant pointed glass block walling

F11/121 Sealant jointed glass block walling

F11/136 Mortar jointed, sealant pointed glass block walling

F11/141 Sealant jointed glass block walling

F11/15 Mortar jointed, sealant pointed glass block walling

F30/610 Movement joints with sealant

H11/110 Curtain walling

H40/785 Sealant jointing

H41/655 Sealant jointing proprietary system

H42/661 Sealant joints

H51/610 Sealant joints

H51/630 Movement joints

H92/770 General sealants

L10/810 Sealant joints

L20/80 Sealant joints

L20/820 Sealant joints

L40/195 Glass-to-glass jointing – proprietary

N10/460 Sealant

N10/760 Sealant bedding and pointing

N10/80 Sealant

R10/11 Aluminium gutters

R10/360 Sealant for gutters

Product range

SILFIX Range (Silicone Sealants)

Specification data - Silicone construction joint sealants

Standard

To EN 15651-1, and EN 15651-2.

Third party certification

CE marked.

Material

Neutral cure.

Class

G-25LM.

Colour

Anthracite.

Black.

Brick red.

Brown.

Buff.

Grey.

White.

Class

F-INT-EXT-CC 25LM to EN 15651-1, G-CC–25LM to EN 15651-2.

Adhesion

Excellent.

Movement

±25% (accommodation).

Chemical resistance

Excellent.

Curing compound

Moisture cure.

Hardness (shore A)

30–32.

Cure time

Tack free time: 35 minutes at +23°C/ 50% RH.

Density

1.50 g/ml.

Cure speed

2-3 mm per 24 hours.

TensileStrength

1.9 N/mm².

UV resistance

Excellent.

Elongation

~680%.

Application temperature range

+5 to +40°C.

Service temperature range

-40 to +150°C.

Literature

Silfix U8

Silfix U8

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