Products



Capital Ready Mix Concrete uses Buckeye UltraFiber 500, a superior fiber technology that offers blemish-free finishing, improved hydration, better bonding with cement, and excellent crack reduction - it's both lab and field proven.

 

Fiber Properties



  Buckeye UltraFiber 500 Leading Polypropylene Buckeye UltraFiber 500
Count, fibers/lbs 700 million 40 million Closer fiber spacing
Length, mm 2.1–2.5 16 Superior Finishing
Denier, gram/9000 m 2.0–3.0 6.0 Superior Finishing
Surface bonding of fiber yes no Increases concrete density
Hydrophilic fibers yes no Enhances internal curing. Absorbs colors and stains
Density, gram/cm³ 1.10 0.91 Great mixing
Tensite Strength KSI 90–130 40–110 Fibers strong as steel
Surface area, sq. in/lb 1,760,000 100,000 Significantly more surface area, enhances surface bonding
  Buckeye UltraFiber 500 (1.0lb/cubic yard) Control (no fibers)  
Compressive strength (28-day) 5,650 psi 5,280 psi +7%
Flexural strength (28-day) 790 psi 730 psi +8%
Bond strength (min 26 days) 16,210 lbs 13,580 lbs +19%
Freeze/thaw durability 54.9% 36.1% +52%
Plastic shrinkage cracking (1.0 lb/cy) 66 207 69% less cracking
Plastic shrinkage cracking (1.5 lb/cy) 24 181 85% less cracking


Lab Proven



  • Successful Testing by Certified Independent Labs
    • Shrinkage Crack Tests per ICC-ES ESR-1031
    • ASTM 1018, Static Flexural Strength
    • ASTM C 173, Air Content and Unit Wt.
    • ASTM C 78, Flexural
    • ASTM C 856, Hydration
    • ASTM C 666(A), Freeze Thaw
    • ASTM C 39, Compressive
    • ASTM C 234, Bond Strength
    • ASTM D 6942, Alkaline Stability
    • ASTM C 1399, Average Residual Strength
    • ISO 834, Fire Resistance
    • AC1544, Impact Resistance
  • Sepcific Gravity 1.1
  • Ignition 450°F
  • Tensile Stength 90–130 KSI
  • Surface Area 1,760,00 sq. in/lb