Silfix® U7

Silfix® U7

Hodgson Sealants

100% acetoxy cure silicone sealant for sanitary applications, viscous formulation returns superior gunning and tooling characteristics preferred by the professional sealant applicator; conforms to EN 15651-3: CLASS XS1.

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Application

  • Sanitary: With the added benefit of containing a fungicide; the sealant is suitable for sealing around baths, basins and shower trays and similar sanitary applications.
  • Sealing between dissimilar materials such as; unplastized polyvinyl chloride (PVC-U), aluminium, composite and timber frames into masonry, brick and plaster walls.
  • Industrial sealing and bonding.
  • Waterproofing of rimless sinks.
  • General sealing and caulking applications.
  • Glass to glass sealing.
  • General weather and draft-proofing applications.
  • Specifically formulated for the professional user.

Description

A sanitary, high modulus, acetoxy cure silicone sealant and adhesive which possesses good tooling properties.

Features and benefits:

  • Highly elastic: Suitable for use around the building envelope for industrial, commercial and domestic applications where a highly elastic product that does not shrink or crack is required.
  • Easy to tool: Good tooling and application characteristics with a stiffer, more viscous formulation for the applicator.
  • Good adhesion is achieved to a variety of non-porous substrates including: Glass, ceramics, aluminium and painted timber.
  • Typical acetic cure odour.
  • High modulus, acetoxy cure (20LM).
  • High ultraviolet (UV) radiation, ozone and temperature resistance.
  • CE marked to EN 15651-2: G-CC–20LM and EN 15651-3: XS1–20LM.
  • Non-flammable.

Applications:

  • Sanitary: With the added benefit of containing a fungicide; the sealant is suitable for sealing around baths, basins and shower trays and similar sanitary applications.
  • Sealing between dissimilar materials such as; unplastized polyvinyl chloride (PVC-U), aluminium, composite and timber frames into masonry, brick and plaster walls.
  • Industrial sealing and bonding.
  • Waterproofing of rimless sinks.
  • General sealing and caulking applications.
  • Glass to glass sealing.
  • General weather and draft-proofing applications.
  • Specifically formulated for the professional user.

General information

Material

Acetoxy cure silicone

Uniclass 2015

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

H13/740 Sealant joints

H13/750 Structural sealant joints

H40/785 Sealant jointing

H41/655 Sealant jointing proprietary system

H42/661 Sealant joints

H51/610 Sealant jointing

H51/630 Sealant movement/ Other joints

H92/770 General sealants

L10/810 Sealant joints

L20/80 Sealant joints

L20/820 Sealant joints

L40/195 Glass to glass jointing

N10/460 Sealant

N10/760 Sealant bedding and pointing

N10/80 Sealant

N13/580 Sealant for pointing

N13/68 Sealant for pointing

N13/81 Sealant bedding and pointing

R10/11 Aluminium gutters

R10/360 Sealant for gutters

Specification data - Silicone construction joint sealants

Product Reference

Silfix® U7

Standard

EN 15651-2, EN 15651-3

Third-party certification

Consult manufacturer

Material

Acetoxy cure silicone

Class

G-CC–20LM to EN 15651-2, G-CC -20LM to EN 15651-3-XS1

Colour

Translucent

White

Fire performance

Consult manufacturer

Fungicide

Consult manufacturer

Standard product features

Technical characteristics:

  • Adhesion: Excellent.
  • Movement accommodation: ±20%.
  • Base technology: Acetoxy; one component; RTV silicone polymer.
  • Chemical resistance: Excellent.
  • Curing system: Moisture cure.
  • Hardness: Shore A: 21.
  • Tack free time: 25 minutes at 23°C/ 50% RH.
  • Density: 1.05 g/ml.
  • Curing rate: 2-3 mm per 24 hours.
  • Tensile strength: >2.0 N/mm².
  • Slump: Non-sag.
  • UV resistance: Excellent.
  • Elongation: ~750%.
  • Application temperature range: 5–40°C.
  • Service temperature range: -40°C to +150°C.

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