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Adheseal Hi-Flex 60 pink hybrid MS Polymer adhesive sealant sausage for structural bonding and anti-pick joint sealing.
Adheseal Hi-Flex 60 pink hybrid MS Polymer adhesive sealant sausage for structural bonding and anti-pick joint sealing.

Adheseal Hi-Flex 60 MS polymer Adhesive

High-modulus MS polymer adhesive/sealant for reinforced panels, fabrication and moving joints. Shore A 55 cured strength with ±25% joint movement.

Vendor: Adheseal
SKU: HIFLEX60WH/SSG
Availability: In Stock
$13.88
$13.88
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Description  

Adheseal Hi-Flex 60 is a high-modulus MS polymer adhesive and sealant for bonding panels, fabricating assemblies and sealing joints that experience vibration or movement. It cures to a firmer elastic finish than Hi-Flex 50, making it particularly useful where flexible bonding strength matters as much as maintaining a sealed joint.

The single-component, moisture-curing hybrid bonds many common construction materials with suitable surface preparation, including tested metal finishes, timber, masonry and reinforced sandwich panels. Its cured Shore A 55 profile is more robust than a soft weatherseal, while still accommodating ±25% joint movement.

Where to use Hi-Flex 60

  • Reinforced sandwich panels: bonding compatible XPS-foam-core reinforced panels where the specified assembly permits an MS polymer adhesive.
  • Prefabricated buildings: joining and sealing component interfaces that need flexible adhesion and movement tolerance.
  • Metalwork and signage: sealing aluminium fabrication seams and bolted lap joints, or bonding suitable display components.
  • Vehicle and marine fabrication: bonding or sealing compatible parts exposed to movement or vibration, without using it as an immersed joint sealant.

Which Hi-Flex should you choose?

Choose Hi-Flex 60 for a firmer adhesive/sealant used in fabrication and panel assembly. Hi-Flex 50 is better positioned for general joint sealing and selected waterproofing membrane fillets. Hi-Flex Construction Plus is the low-modulus, ±50%-movement alternative for façade and window perimeter weatherseals.

Before installation

Prepare dry, stable, clean surfaces and check the relevant primer or adhesion-test requirements. Use a suitable bond-breaker or backing rod in movement joints, and ensure enough atmospheric moisture can reach the adhesive to cure. Test variable coatings and sensitive materials.

Not for structural glazing, mirrors, aquariums or long-term immersion. Avoid bitumen, EPDM, natural rubber and substrates that can release oils or plasticisers.

Common Questions  

How much movement can Hi-Flex 60 accommodate?
It is rated for ±25% joint movement to ASTM C 719.

Can Hi-Flex 60 be used as an adhesive?
Yes. Apply a triangular bead and compress the bond line to at least 2mm.

Can it be painted?
Yes, after cure with compatible acrylic, oil or rubber-based coatings.

Can it be used for structural glazing?
No. Use a suitable glazing silicone instead.

Uses & Benefits  
High-modulus MS polymer adhesive and sealant for structural component bonding and high-movement construction joints. Accommodates ±25% joint movement to ASTM C 719. Service temperature range is -40°C to +100°C after cure. High Shore A hardness of 55 provides resistance to puncture and mechanical wear. Can be painted with compatible acrylic, oil and rubber-based coatings after cure.
How To Apply  
Use on clean, dry, structurally sound substrates. Concrete must cure for at least 28 days. For aluminium, stainless steel, PVC, galvanised steel, powder-coated metal and glazed tile in demanding applications, lightly abrade, clean and use Adheseal 50A. Allow 30 minutes to 2 hours. For concrete, aerated concrete, render, mortar and brick use Everflex Supaprime with the same 30-minute to 2-hour window. For sealing, gun a continuous bead and tool within the approximately 10-minute skin time. For bonding, apply a standing triangular bead and compress to at least 2mm. For movement joints use a 2:1 width-to-depth ratio and backing rod where depth exceeds 10mm.
Limitations and Safety Info  
Do not use for long-term water immersion, aquariums or internal swimming pools with high chlorine exposure. Do not use in totally confined spaces. Do not use for structural glazing or mirror bonding. Do not use on bituminous surfaces, natural rubber, EPDM, or materials that leach oils, plasticisers or solvents. Copper, brass and titanium-zinc may discolour. Stain-test natural stone before use. Do not apply where active moisture-vapour transmission may cause bubbling. Keep uncured sealant away from cleaning agents, solvents and alcohol.
Suitable Substrates  
  • Masonry, concrete, brick, fibre cement board and plasterboard.
  • Aluminium, powder-coated metals and other compatible metals excluding lead and copper.
  • Timber, fibreglass, porcelain and compatible plastics.
  • XPS foam-core reinforced sandwich panels.
  • Natural stone only after stain testing.

Adheseal Hi-Flex 60 MS polymer Adhesive Physical Properties

Adheseal Hi-Flex 60 MS polymer Adhesive Physical Properties
Property Value
Product Type MS Polymer Based Hybrid Adhesive Sealant
Base Chemistry MS Polymer
Curing System Neutral
Consistency Non-Sagging Paste
Movement Capability +/-25% ASTM C719
Shore A Hardness 55 ASTM D2240
Elongation 200% approx ASTM D412
Tensile Strength 0.83 MPa ASTM D412
Modulus 0.8 MPa ISO 37
Skin Time 10 minutes approx at 23°C and 50% RH
Cure Rate 3mm per 24 hours at 23°C and 50% RH
Application Temperature 5°C to 40°C
Service Temperature -40°C to 100°C
Density 1.45 +/- 0.05 ASTM D1475
VOC Content 1.5g/L
Shelf Life 12 months
Clean Up Xylene, Adheseal citrus wipes
Staining Non staining ASTM C510 and ASTM C1248
Features Primerless adhesion on most common substrates, UV resistant, paintable, low odour, non-corrosive, waterproof flexible joint
Substrate Compatibility Masonry, fibre cement board, brick, XPS foam core reinforced sandwich panel, metal excluding lead and copper, timber, plasterboard, plastics, stone, painted surfaces, rubber, fibreglass, porcelain, aluminium, powder coat
Limitations Not suitable for long term immersion, swimming pools, structural glazing, aquariums, EPDM rubber, bituminous substrates, confined spaces without humidity access
Specific Gravity 1.45 +/- 0.05 ASTM D1475

Adheseal Hi-Flex 60 MS polymer Adhesive - Use Cases

Here are some common examples on where Adheseal Hi-Flex 60 MS polymer Adhesive used by our customers.

Caravan & Truck

Bonding XPS Sandwich Panels

When assembling XPS Foam Core Reinforced sandwich panels or building components in prefabricated structures and vehicles.

Achieve strong, primer-less bonds on non-porous substrates with permanent flexibility for durable, non-corrosive assembly.

  • Bonds XPS Foam Core Reinforced panels
  • Primer-less on non-porous substrates
  • Tensile Break 0.83 MPa ASTM D412
  • Non-corrosive to aluminium

Civil Construction

High Modulus Construction Sealing

Sealing expansion or movement joints between prefabricated concrete panels or different building components in external environments.

Provides a tough, Shore A 55, flexible, and UV-resistant seal with good movement capability for long-term outdoor performance.

  • Shore A 55 hardness
  • +/- 25% Movement ASTM C719
  • Excellent UV resistance
  • Non-staining ASTM C510

Glass & Aluminium

Exterior Fabrication Joint Sealing

Sealing joints in aluminium fabrication or materials with differing thermal expansion, requiring paintability and UV stability.

The MS Polymer chemistry provides excellent UV resistance and paintability, maintaining a flexible, waterproof seal without staining.

  • Excellent UV and weathering resistance
  • Paintable with acrylic, oil paints
  • Non-staining ASTM C510 & ASTM C1248
  • +/- 25% movement capability ASTM C719

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