Delivering Fluid Sealing Solutions Since 1972

HY-SPEC® 25 Hybrid Sealant

HY-SPEC® 25

M Barnwell Services supply a range of HY-SPEC® speciality sealants, deigned for the professional user. HY-SPEC® 25 is a neutral cure, solvent free, one part, moisture cure, low modulus hybrid based on Hodgson Hybrid Polymer Technology. We at M Barnwell Services are committed to providing quality products, whilst offering a first class – if not world-class service.

Key Features of HY-SPEC® 25:

  • Solvent & Isocyanate free
  • Excellent tooling properties
  • Low odour, user friendly
  • High strength & Permanently flexible
  • High movement capacity
  • Gunnable at +5 to +40°C
  • Excellent primerless adhesion to most substrates
  • Low residual tack
  • Weatherable and UV stable
  • Extended open time, for tooling
  • Paintable
  • Excellent storage stability

Uses of HY-SPEC® 25 Hybrid Sealant:

  • Perimeter sealing of door and window frames
  • Sealing between dissimilar materials such as; uPVC, aluminium, composite and timber frames into masonry, brick and plaster walls
  • Sealing of construction joints where movement can occur
  • Paintable low modulus sealant, for internal and external use.

HY-SPEC® 25 Hybrid Sealant can be used in a variety of industries including; Fire Prevention, Earth Moving & Construction, Manufacturing.

Sealant Properties:

Application temperature range: + 5°C to + 40°C
Shelf life: 24 months
Skinning time: 55 minutes
Working time: 50 minutes

Performance:

Classification: EN15651-1: F-INT-EXT: CLASS-25 LM. ISO11600 F 25LM
See DoP No: DOP2019-1-HYSPEC 25
Adhesion: Excellent
Movement Accommodation: ± 25%
Base technology: Hodgson Hybrid Polymer
Chemical Resistance: Good
Curing system: Moisture Cure
Hardness: Shore A = 33 ±5
Skin formation: 55 min @ 23°C / 50% RH
Paintability: Paintable with most paints, alkyd based paints may exhibit slow curing, water based systems are preferable (testing is recommended)
Density: 1.42g/ml  Curing rate: 3mm / 24hours
Tensile strength: 1.3 N/mm²
Service temperature range: – 40°C to +80°C
Slump: Non-sag
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 HY-SPEC® Hybrid Sealants page, contact a member of the team.

Health & Safety

Non-flammable
Wash hands immediately after use
See Product Safety Data Sheet for further information

Packaging

310ml cartridges - 25 per box
Colour range: White, Brown, Grey, Black and Anthracite

Limitations

Do not use for aquaria construction
Do not use with plastics such as; PP, PE, PTFE or other low surface energy materials
Not for use with bitumen, marble or natural stone
Not suitable for bedding Insulating Glass Units