SPECTER® Monofilament Fibers are specifically designed to minimize early age cracking in concrete as a result of plastic shrinkage and plastic settlement. SPECTER® Monofilament Fibers are manufactured from 100% virgin, homopolymer polypropylene resin and meet the requirements of ASTM C1116/C1116M “Standard Specification for Fiber-Reinforced Concrete” and the requirements of ICC ES AC32 Section 3.1.1.
 

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