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:
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 or long-length items, and bagged items weighing 15kg or above. If your order includes any of these, you will be contacted to arrange additional freight fees
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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