Sika SikaFlow 648 is a precision-grade, three-component epoxy grout built for industrial settings where machinery performance and structural stability are non-negotiable. Designed to secure critical equipment with minimal movement over time, it combines high early and ultimate compressive strengths with low creep characteristics, making it especially effective under continuous dynamic and static loading.
This high-flow, 100% solids epoxy system is optimized for pour or pump installation and can be placed in lifts up to 6 inches. It delivers excellent bond strength to both steel and concrete, ensuring full contact for effective load transfer and vibration dampening. Its low-dusting formulation improves worker safety during installation, while soap-and-water cleanup simplifies post-placement handling.
SikaFlow 648 stands up to harsh industrial conditions, including chemical exposure, freeze/thaw cycling, and elevated service temperatures. Whether used in refineries, paper mills, wind farms, or LNG facilities, it maintains dimensional stability and protects equipment foundations from mechanical and thermal stresses. With extended working time and multiple mix ratios to control flowability, it supports a range of applications from tight-clearance anchor bolts to large volume placements.
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Key Features of SikaFlow 648
- High Strength & Early Cure
Delivers compressive strengths up to 16,000 psi for fast equipment turnaround and service readiness. - Low-Dusting Formula
Minimizes airborne particles during mixing and application, supporting safer and cleaner jobsite conditions. - Superior Flowability
Excellent self-leveling properties for full bearing contact, high load transfer, and simplified placement — even in tight-clearance applications. - Chemical & Temperature Resistance
Formulated to withstand aggressive chemicals, water, chlorides, and freeze/thaw cycles in industrial service environments. - Low Creep & Shrinkage
Maintains long-term alignment under sustained loads with minimal deformation and excellent dimensional stability. - Pumpable for Large Volumes
Pump-friendly mix supports high-volume placements, reducing labor and increasing productivity on major installations.
Recommended Uses for SikaFlow 648
SikaFlow 648 is well-suited for industrial settings that require secure, durable equipment grouting. Its balanced performance makes it a strong choice for:
- Compressor, generator, and pump bases
- Crane rail installations
- Steel rolling and stamping mills
- Wind turbine tower foundations
- Post-tensioned cable pour-backs
- Anchor bolts, dowels, and sole plates
Use this product when you need:
- Excellent adhesion to concrete and steel
- High mechanical strength under dynamic loading
- Resistance to oil, chemicals, and water exposure
- A grout system that’s easy to clean with soap and water
- Extended working time and long flow distances
Frequently Asked Questions
What is the typical curing time for SikaFlow 648?
At 77°F, initial compressive strength reaches 10,800 psi within 24 hours. Full strength (~16,000 psi) is achieved in 7 days with proper post-curing.
Can SikaFlow 648 be pumped for large-scale placements?
Yes. SikaFlow 648 is formulated for pumpability, making it efficient for extensive or deep pour applications.
What is the maximum pour depth per lift for SikaFlow 648?
Up to 6 inches (152 mm) per lift is recommended. For larger placements, contact a sales representative to ensure performance and thermal control.
Is SikaFlow 648 resistant to aggressive chemicals?
Yes. It provides strong resistance to acids, alkalis, and chlorides, making it suitable for chemical plants and marine environments.
How should surfaces be prepared before application of SikaFlow 648?
Concrete surfaces must be structurally sound, dry, and roughened to a CSP 5–9 profile. Steel surfaces should be free of rust and contaminants.
What’s the shelf life of SikaFlow 648?
Stored properly between 60–80°F in a dry environment, unopened components have a shelf life of 24 months.
