

DonFiber ST Type I
High performance steel fi bers with hooked ends (Formerly known as ST Fiber Type I)
Advantages
- Significantly reduces the risk of plastic shrinkage cracking.
- Provides three-dimensional reinforcement.
- Increases fatigue and abrasion resistance.
- Increases overall durability, and flexural bending strength.
- Increases impact and dynamic load resistance.
- Economical solution.
Description
DonFiber ST Type I is steel wire filaments with hooked ends. DonFiber ST Type I is suitable for use with all types of concrete mixes to enhanced flexural reinforcement, improve shear strength and control temperature and shrinkage cracks.
Applications
- Slab on grade.
- Parking areas.
- Precast concrete.
- Water tanks.
- Pavements.
- Shotcrete.
- Composite decks.
Packaging
DonFiber ST Type I is available in 44 lb (20 kg) bags.
Dosage
The recommended dosage of DonFiber ST Type I is 17 to 100 lb. per yd³ of concrete (10 - 59 kg per m³).
Representatiive trials should be conducted to determine the optimum dosage of DonFiber ST Type I to meet the performance requirements by using the materials and conditions in actual use.
Standards
DonFiber ST Type I complies with the requirements of Standard Specification for Steel Fibers for Fiber- Reinforced Concrete ASTM A820 as a Type I.