Description
A fast-curing, 2-part flexible sealant designed to provide effective sealing of construction and expansion joints on concrete, stone, brick and other surfaces. This solvent-free material is a cost-effective and high performance alternative to conventional mastics and sealants, providing joints with up to 25% flexibility and outstanding weather and chemical resistance. It does not require any hot work and cures quickly, ensuring a safe and easy application.
Key benefits:
- Provides expansion joint flexibility of up to 25%
- Downtime reduction due to its fast-curing properties
- Reduced future maintenance and eliminates the need for expensive structural rebuild
- Reduced health and safety risks as it is solvent-free
- Application and cure at room temperature – no hot work involved
- Excellent weather and chemical resistance against a wide range of chemicals
- Easy to mix and apply manually with no specialist tools required
- Excellent adhesion to surfaces including concrete, brick, stone and steel
Applications for Belzona 4521 (Magma-Flex Fluid) include:
- Expansion joints sealing on horizontal surfaces such as floors, bridges, roadways, car parks and manufacturing facilities
- Sealing of leaking joints in secondary containment areas
Key technical data: | |
|---|---|
| Working life at 20°C (68°F) | 45 minutes |
| Time to mechanical cure at 20°C (68°F) | 4 days |
| Peel adhesion (ASTM D421) | 26 pli (460 kgs/m) on blasted steel |
| Volume capacity | 1612 cm³ (98.4 cu.in.) per 2 kg |
| Bonds to | Concrete, stone, brick, steel, other Belzona 4000 Series materials and many more |
| Typical applications | Elastomeric expansion joint sealant |
| Unit size | 2 kg. Pack sizes may vary locally. |
| Availability* | Global |
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