Concrete PP Fiber hybrid fiber for enhanced durability and crack control in concrete
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Concrete PP Fiber hybrid fiber for enhanced durability and crack control in concrete
Introtuction For Hybrid Type PP Fiber: 1. PP twist fiber is a 100% pure mixed copolymer composite structural macro fiber, which is successfully used as a substitute for steel fiber, welded wire mesh and traditional rebar, and is widely used in various secondary reinforcement applications. 2. PP Fiber Hybrid type is actually a mixture of two fibers: a standard fiber mesh to reduce and control shrinkage and temperature cracking. A twisted bundle of fibers made from a strong synthetic copolymer that increases the flexibility and breaking strength of concrete. High fracture strength, good dispersion, strong bonding ability. It is widely used to replace steel fiber reinforcement cement concrete and has crack resistance.
Applying Instruction For Hybrid Type PP Fiber: 1. Ration design of the fibre concrete: Generally the recommended amount to add to the concrete is more than 2.7kg per sqm(0.3% by volume), reinforcement adding amount is 5.5kg, Compared with adding 47kg of steel fibre, 5.4kg polymer fibre has the same volume ratio to the concrete. 2. Length: 48mm to 54mm for common crack-resistant requirement. 3. Mixer Adoption: Double-axle horizontal compelling mixer is priority. 4. Mixing process: Crushed stones, fibers and sands are put into the mixer in succession. After stirring for two minutes, fiber will fully spread and then add cement and water and stir normally. The addition of materials also can be put into as common concrete, but the stirring time should be properly prolonged to make fiber to be completely mixed . 5. Shaping & Maintenance: There is no special requirement, may along the vibrating time for 30s, The maintenance of the fibre concrete should be done same as the normal concrete.
Specification For Hybrid Type PP Fiber:
Application For Hybrid Type PP Fiber: It can be used for Industrial and residential floors, Whitetoppings, bridge decks and pavements, Thin walled pre-cast (septic tanks, vaults, walls, etc.) and Mass concrete
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