MasterFiber F 70

Fibrillated synthetic microfiber

How does MasterFiber F 70 work?

MasterFiber F 70 product, a synthetic microfiber, is a fibrillated polypropylene fiber manufactured from 100% virgin homopolymer polypropylene resins. MasterFiber F 70 product provides shrinkage and temperature (secondary) reinforcement in concrete applications.

Recommended uses:

• Residential and commercial slabs-on ground
• Ultra-thin whitetopping
• Bonded overlays
• Architectural precast products and ornamental elements
• Slope stabilization
• Water treatment plants
• Irrigation ditches/channels

What are the unique features of MasterFiber F 70?

• Excellent distribution throughout concrete
• Excellent shrinkage and temperature reinforcement
• Meets the requirements of ASTM C 1116/C 1116M, Section 4.1.3, Type III, and Note 2
• Meets the requirements of ICC ES AC32 Sections 3.1.1 (plastic shrinkage reinforcement) and 3.1.2 (shrinkage and temperature reinforcement)

How does MasterFiber F 70 benefit contractors?

• Replacement for typical light gauge welded-wire reinforcement [(6 x 6 W1.4 x W1.4) (152 x 152 MW9.1 x MW9.1)], depending on the application
• Modifies macro-cracking and micro-cracking mechanisms
• Reduces plastic settlement
• Extends service life with reduced maintenance
• Enhances fatigue strength
• Enhances impact, pullout and surface abrasion resistance
• Reduces permeability?