Hi Flex 50 - MS Polymer-Based Hybrid Sealant
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Price Per Unit: $10.90
Price Per Box: $9.81
Hi-Flex 50 is a single-component, high-performance MS polymer sealant providing exceptional bond strength, UV and weather resistance, and durability for internal and external construction joints.
- $10.90
- $10.90
- Unit price
- per
Prices do not include GST
Physical Properties
Type:
Ms polymer
Curing system:
Neutral, moisture curing
Tack free time:
30 minutes at 25°c, 50% rh
Density:
1.64 +/- 0.05
Flammability:
Non-flammable
Rate of cure:
3.0mm per 24 hours
Consistency:
Non-sagging, smooth thixotropic paste
Elongation at break:
200%
Suitable joint width:
5 – 50mm
Application temperature:
5°c to 40°c
Service temperature:
-40°c to 100°c
Movement capability:
+/- 25%
Hardness:
Shore a 35
Voc:
1.5%
Shelf life:
12 months
Cleanup:
Xylene, adheseal citrus wipes
Colours:
Black, grey
Staining:
Non-staining as per astm c510 & astm c1248
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Shipping & Delivery
$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Remote areas and site deliveries are also ineligible. If your order includes any of these, we’ll contact you to arrange additional freight fees. Online purchases only.
Hi-Flex 50 is a high-performance, single-component MS polymer hybrid sealant designed for strong, durable joints in diverse construction applications. With excellent UV resistance, weather durability, and primer-less adhesion, this sealant is ideal for bonding various substrates, ensuring flexibility and long-term resilience in all climates.
Key Features
- Outstanding primer-less adhesion on non-porous surfaces
- Movement capability up to +/- 25%
- Non-bleeding, non-staining formulation
- Free of isocyanates, solvents, and acids
- Paintable with acrylic, oil, and rubber-based paints
- Excellent UV and weathering resistance
- Ready to use and user-friendly, smooth application
- Non-toxic with low VOC, environmentally friendly
- Mould and mildew resistant
- Maintains waterproof, flexible joints
Suitable Substrates
- Masonry and brick
- Metal surfaces (excluding lead and copper)
- Timber and plasterboard
- Fibreglass, porcelain, and aluminium
- Waterproof membranes and powder-coated surfaces
Uses
- General construction sealant for multiple substrates
- Bonding lightweight components and acoustic ceiling tiles
- Sealing joints in prefabricated buildings and concrete panels
- Aluminium fabrication and automotive/marine manufacturing
- Seam sealing and bolted lap joints
- Bond breaker for waterproofing membranes
Benefits
- Long-lasting, flexible, and resilient under various environmental conditions
- Primer-less adhesion compatible with most building materials
- Non-corrosive and low-odour formulation
- Durable in both internal and external applications
- Resistant to mould and mildew, ideal for humid environments
Application Guide
- Prepare the surface to be structurally sound, dry, clean, and free of contaminants.
- Apply masking tape for neat joints if necessary.
- Cut nozzle to desired bead size and insert into a caulking gun.
- Apply sealant in a continuous, steady motion to ensure air-free installation.
- Tool off within 5 minutes for a smooth finish, removing masking tape before skin formation.
Limitations
- Not suitable for submerged or high-chlorine environments like pools or aquariums
- Not recommended for lead, copper, or specific rubbers that leach oils or plasticisers
- Avoid use on bituminous or EPDM surfaces
- Unsuitable for confined spaces without atmospheric humidity
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