SINTA® F fibres
Control early age plastic shrinkage with synthetic microfibres
Maximum strength with maximum dispersion.
Where fibres are concerned, the rate at and consistency at which they're delivered into concrete is as important as the makeup of the fibres themselves. SINTA™ F Fibres can be specified wherever contractors need to reduce early age plastic shrinkage cracking, lower permeability, increase durability and more. The SINTA® is an innovative fluid dispensing system delivering the microfibres efficiently at the batching plant.
SINTA® F Product Documents
| Product Name | Product Data Sheet |
| SINTA® F51 | |
| SINTA™ F19 |
Products
- Product Name
- Description
- Key Benefits
- Applications Type
SINTA® F51 (formerly Grace 51mm Fiber) is a synthetic fibre for concrete, manufactured from 100% virgin polypropylene in a collated fibrillated form. Engineered specifically for use in concrete, it is alkali-resistant, non-absorptive and completely non-corrosive.
- Uniformly distributes throughout the concrete
- Extremely high number of fibres in the plastic concrete matrix provides resistance to slumping
- Used to improve the rheological properties of low slump concrete mixes used in the construction of extruded Jersey concrete barriers
SINTA™ F19 are synthetic fibres for concrete, manufactured from 100% virgin polypropylene in collated, fibrillated form. Designed specifically for use in concrete, they are alkali-resistant, non-absorptive and completely non-corrosive. Their use provides secondary reinforcement and protects concrete from stresses which cause cracking while it is most vulnerable during the first 24 hours after placement. SINTA F19 comply with ASTM Designation C 1116 Standard Specification for Fibre-Reinforced Concrete and Shotcrete, Type III Synthetic Fibre-Reinforced Concrete or Shotcrete. They are available in 20mm length.
SINTA F19 uniformly distribute multi-dimensionally throughout the concrete mixture. The small fibrillated fibres mechanically lock in the fresh concrete matrix providing reinforcement for the mixture while its tensile strength is the weakest. This reinforcement reduces the formation of all types of early cracking. This cracking caused by plastic shrinkage, settlement, and other internal stresses would otherwise permanently weaken the resulting concretes. The concrete permeability is decreased, while the surface characteristics, impact, and toughness properties are improved. Together these effects work synergistically to produce a long-term, better quality, more durable and serviceable concrete.
SINTA F19 may be used in any application where decreased cracking and improved durability are desired. Specifically such applications include but are not limited to, slabs on grade, elevated slabs, pavements, overlays, sloped walls, pools, shotcrete, stucco, precast and prestressed concrete products. As secondary reinforcement for crack protection and control SINTA F19 are a superior alternative to, and can eliminate the need for welded wire fabric. SINTA F19 are not recommended to increase joint spacing or as a substitute for any reinforcement required by the Model Building Codes and Standards.
Where to use SINTA® F Fibres?
SINTA™ F Fibres may be used in any application where designers, contractors, or producers want decreased cracking due to plastic settlement. These microfibres help to lower permeability. In addition, SINTA™ F, SINTA™ M or SINTA™ FDS microfibres increase concrete cohesiveness, which enables contractors to place concrete on steep inclines and in slipform without tremendous difficulty. Applications where synthetic microfibres can be used include slabs on grade, overlays, sloped walls, pools, shotcrete, stucco, tunnels, precast and prestressed products.
What are the advantages of SINTA® F Fibres?
Use of SINTA™ F Fibres reinforces a fresh concrete mixture while its tensile strength is weakest by mechanically locking into the concrete matrix. Plastic shrinkage cracking and permeability are both reduced. At the same time, SINTA™ F Fibres increase impact, abrasion, shatter and fire-spalling resistance of the concrete. Taken together, these improvements produce higher-quality and higher-durability concrete over the lifetime of a structure.
