MasterFiber

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

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