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Hi-Flex 60: A Technical Overview
Hi-Flex 60 is a high-modulus MS Polymer-based adhesive sealant engineered for demanding structural and façade applications. It cures via air and substrate humidity into a tough, permanently elastic joint. Ideal for bonding dissimilar materials like metals, XPS core panels, masonry, and powder-coated surfaces, Hi-Flex 60 offers outstanding primerless adhesion, UV resistance, anti-pick strength, and is VOC compliant (1.5g/L). It remains stable between -40°C and +100°C, making it suitable for both interior and exterior use. Designed for commercial and public infrastructure, it is anti-pick rated for prisons, transport hubs, and schools.
200%
Elongation at Break
Core Features & Specifications
- MS Polymer formulation — cures by neutral system with no isocyanates
- Outstanding adhesion without primer on most substrates
- Movement capability ±25%, elongation at break: 200%
- High modulus (Shore A 55), suitable for anti-pick environments
- Service temperature: -40°C to +100°C
- UV resistant, non-staining, and non-bleeding formula
- Paintable with most paints (test non-flexible coatings before use)
- VOC compliant: 1.5g/L (Green Star eligible)
- Packaging: 600ml sausage; Shelf life: 12 months
The Hi-Flex 60 Advantage
- Combines structural adhesion with sealant flexibility — ideal for mixed-material builds
- Reduces site time — single-component, ready-to-use formula simplifies workflow
- Meets anti-pick performance in public safety zones (schools, prisons, hospitals)
- Performs under extreme weather and temperature exposure
- Maintains watertight, elastic joints even under high stress
Best Practices: Do's & Don'ts
Do
- Apply between 5°C and 40°C in clean, dry conditions
- Use open cell backer rod or bond breaker tape to prevent 3-sided adhesion
- Tool off within 5–10 minutes for a smooth finish
- Use masking tape for clean joint lines, and remove before skin forms
- Prime porous substrates with Everflex Supaprime when high performance is required
Don't
- Do not apply in fully confined spaces — requires humidity to cure
- Avoid use in swimming pools, aquariums, or full immersion environments
- Do not bond mirrors or natural stone without testing — use alternatives like Hi-Power or S100
- Avoid substrates that leach oils, solvents, or plasticisers (e.g. bitumen, EPDM)
- Don’t expose uncured product to water or aggressive cleaners
Applications in Practice: Trade Scenarios
For Commercial Builders (Business Owner): Panel Bonding in Modular Builds
The Engineering Challenge
Rapid modular construction requires flexible yet strong adhesion between concrete panels, steel framing, and composite materials, often with differing thermal expansion rates.
The System-Based Solution with Hi-Flex 60
Hi-Flex 60 bonds securely to concrete, timber, metal, and plastics without primer. Apply as a 2–3mm triangular bead and compress surfaces. VOC content is low, allowing use in Green Star buildings.
Best Practice Note
Avoid bonding in wet conditions or below 5°C. Use closed-cell backer rod only if skin remains intact to prevent gassing.
For Facilities Maintenance (Specifier): Anti-Pick Sealing in Public Areas
The Engineering Challenge
Public infrastructure like schools or detention centres requires a tamper-resistant, UV-stable joint sealant that won’t crack or be picked out over time.
The System-Based Solution with Hi-Flex 60
With Shore A hardness of 55 and strong tensile strength (0.83 MPa), Hi-Flex 60 maintains anti-pick resistance under mechanical stress. Its neutral cure ensures safety and minimal odour in sensitive areas.
Best Practice Note
Tool flush against substrates. For joints under 10mm wide, ensure minimum depth of 5mm and smooth finish to discourage tampering.
Performance Benchmark: Hi-Flex 60 vs. Standard Alternatives
| Metric | Hi-Flex 60 | Standard Sealant | Advantage |
|---|---|---|---|
| Movement Capability | ±25% Flexible Jointing | ±10–15% | Better for expansion/contraction zones |
| VOC Level | 1.5g/L Green Star Compliant | 30–60g/L | Lower emissions and better site safety |
| Tensile Strength | 0.83 MPa Durable Bonding | 0.4–0.6 MPa | Stronger in structural applications |
Frequently Asked Questions About Hi-Flex 60 MS Polymer Hybrid Adhesive Sealant
Q: How should I apply Hi-Flex 60 for sealing joints?
A: Clean the substrate thoroughly, apply masking tape, and use a sausage gun to apply the sealant at a 45° angle. Tool off with a moistened spatula before skin formation.
Q: How does Hi-Flex 60 perform in extreme weather?
A: With excellent UV and weather resistance, Hi-Flex 60 maintains flexibility and adhesion in temperatures from -40°C to 100°C, making it ideal for Australian outdoor applications.
Q: What materials is Hi-Flex 60 compatible with?
A: It bonds to cementitious substrates, metals (excluding copper/lead), glass, timber, plastics, powder coat, and more. Preliminary adhesion testing is recommended for optimal results.
Q: How can I avoid air bubbles in the sealant?
A: Ensure surfaces are dry and clean. Avoid entrapping air during application, and tool the sealant promptly before skin formation. Use backer rods or bond breaker tape as needed.
Q: How do I safely dispose of Hi-Flex 60 waste?
A: Dispose of cured product as general waste. For uncured material, follow local hazardous waste regulations. Always wear gloves and wash hands after use.
Use Hi-Flex 60 MS Polymer Hybrid Adhesive Sealant for:
- Sealing prefabricated concrete panels in construction projects
- Bonding automotive and marine components in manufacturing
- Seam sealing bolted lap joints and display signs
- Aluminium fabrication and sealing dissimilar materials
Why Use Hi-Flex 60 MS Polymer Hybrid Adhesive Sealant:
- Permanent flexibility and durability in harsh environments
- Low VOC and non-toxic – meets Green Star environmental criteria
- Primeless adhesion saves time and materials on site
- Non-corrosive and non-staining – safe for sensitive materials
How to apply Hi-Flex 60 MS Polymer Hybrid Adhesive Sealant:
- Prepare surfaces – dry, clean, and free of contaminants
- Mask joint edges for neat finish
- Cut nozzle at appropriate angle (45° for sealant, 90° for adhesive)
- Apply with sausage gun, ensuring steady bead and no air entrapment
- Tool off with spatula before skin forms (approx. 10 minutes)
- Clean tools with Xylene while sealant is wet; remove tape immediately after tooling
Hi-Flex 60 MS Polymer Hybrid Adhesive Sealant limitations:
- Not suitable for long-term water immersion or swimming pool interiors
- Do not use in totally confined spaces – requires air humidity to cure
- Not for use with copper, lead, or on bituminous/EPDM surfaces
- Avoid exposure to cleaning agents, solvents, or alcohol during curing
Safety precautions when using Hi-Flex 60 MS Polymer Hybrid Adhesive Sealant:
- Personal Protective Equipment: Gloves, safety glasses
- Ventilation: Use in well-ventilated areas to avoid inhalation
- Handling: Avoid contact with skin and eyes; wash hands after use
- Follow first aid instructions in case of ingestion or exposure; seek medical advice
Hi-Flex 60 MS Polymer Hybrid Adhesive Sealant can be used on the following substrates:
- Masonry including fibre cement board – ensure clean, dry surface
- Metals (excluding copper and lead) – roughen and clean for best adhesion
- Timber including plasterboard – remove dust and moisture prior to application
- Plastics – preliminary adhesion test recommended
- Powder-coated surfaces – confirm with surface preparation and adhesion test
- Glass, porcelain, fibreglass, rubber, and painted surfaces – clean and test
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