Synthetic Fiber Blend Micro-Crack Inhibitor
Synthetic micro-crack inhibitor is a blend of polypropylene and polyvinyl alcohol micro-fibers engineered to provide three-dimensional crack control at multiple scales in concrete and mortar. The dual-fiber system simultaneously addresses plastic shrinkage cracking (PP fibers, 6–12 mm) and hardened-state micro-crack propagation (PVA fibers, 3–6 mm). Available as pre-blended packets for simple addition directly to the concrete mixer.
Technical Specifications
| packaging | Pre-weighed bags for 1 m³ |
| appearance | White fibrous blend |
| dosage (kg/m³) | 0.9–1.5 |
| PP fiber length (mm) | 6–12 |
| PVA fiber length (mm) | 3–6 |
Applications
- Concrete floors and slabs in industrial buildings
- Shotcrete for underground and slope applications
- Bridge deck overlays requiring crack resistance
- Pre-mixed concrete bags and site-mixed concrete
- Repair mortars for cracked concrete rehabilitation
Key Features
- Dual-fiber blend addresses both plastic and hardened-state cracking
- Three-dimensional random distribution for isotropic crack control
- Pre-blended, pre-weighed packs eliminate measuring on site
- No effect on slump or workability when used at recommended dosage
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