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Five Star Structural Concrete S300 50lb Bag

Five Star Structural Concrete S300 is a normal setting, one component, enhanced hydraulic cement mortar used for pourable and pumpable repairs of concrete structures. Provides increased corrosion protection of steel reinforced structures with migrating corrosion inhibitor technology and very low chloride ion permeability.

  • 60 Minute Working Time
  • Large Volume Repairs
  • One-Day Turnaround
$90.42
SKU
14513

Five Star Structural Concrete S300 – 50 lb Bag

Five Star Structural Concrete S300 is a normal-setting, one-component, enhanced hydraulic cement mortar designed for pourable and pumpable repairs of concrete structures. Engineered for large volume repairs, it offers superior corrosion resistance with migrating corrosion inhibitor technology and low chloride ion permeability. Suitable for structural concrete repairs, equipment foundations, and industrial floors, it provides reliable, long-lasting protection for reinforced structures.

Key Features:

  • Long working time (60 minutes) for flexible application
  • High compressive strength of 8,000 psi at 28 days
  • Low chloride ion permeability for corrosion protection
  • Pumpable and pourable for easy placement
  • Can be extended with coarse aggregate for large volume repairs
  • Meets ASTM standards for compressive strength and bond strength
  • Can be used in temperatures ranging from 40°F to 90°F
  • Resistant to chemical and environmental exposure

Applications:

  • Structural concrete repair and rehabilitation
  • Industrial floors, slabs, and overlays
  • Equipment foundations and large volume concrete repairs
  • Repair of tanks, sumps, and curbs
  • Ready-mix concrete truck batching
  • Structural fortifications and load-bearing repairs

Technical Specifications:

Property Value
Compressive Strength (1 Day) 3,000 psi
Compressive Strength (3 Days) 5,000 psi
Compressive Strength (7 Days) 6,500 psi
Compressive Strength (28 Days) 8,000 psi
Bond Strength (7 Days) 2,300 psi
Working Time 60 minutes
Chloride Ion Permeability (28 Days) Very Low (<1,000 Coulombs)
Packaging 50 lb Bag
Shelf Life 12 months (unopened)

Frequently Asked Questions:

Can the concrete be extended with aggregate?
Yes, it can be extended with 3/8” pea gravel up to 70% for large volume repairs.

What is the recommended application temperature?
The recommended temperature range is between 40°F and 90°F.

How should the surface be prepared?
The surface should be clean, sound, and roughened to a minimum CSP 6 for optimal bonding.

More Information
BrandFive Star Products
ManufacturerFive Star Products