Not all fibers are so sturdy in construction, many of the reinforcing material to be used in polypropylene fiber works, in order to reinforce the product's performance, then what are the characteristics of polypropylene fiber works so popular?

A crack:
Mortar / concrete mixed with a certain amount of polypropylene fiber project will increase the crack resistance. Can effectively improve the mortar / concrete crack due to thermal stress, plastic shrinkage, as a result of shrinkage crack resistance. Experimental results show that compared with ordinary mortar / concrete, such as adding content 0.6 ~ 0.9kg / m³ polypropylene fibers, crack resistance mortar / concrete can be increased by more than 90%.
Second, impermeability
Can effectively enhance and improve the mortar / concrete seepage moisture resistant. Adding polypropylene fiber works in the mortar / concrete can effectively inhibit the early shrinkage cracks and the emergence and development of cracks isolated mortar / concrete, communicating effectively suppress the generation of cracks, greatly improve the density of the mortar / concrete to improve the mortar / impermeability of concrete. 0.6 ~ 0.9kg / m³ content of polypropylene fiber reinforced concrete works impermeability than ordinary concrete increased by more than 70%.
Third, the impact
After the incorporation of polypropylene fibers, can greatly improve the impact resistance of concrete, the reason is that cracking of the fibers. Engineering polypropylene fiber can not only reduce the number of cracks or micro-cracks inside the concrete, but also can reduce the scale of cracks, thereby reducing the crack tip stress intensity factor, easing its degree of concentration, to force the process of inhibiting crack initiation and expansion .
Fourth, anti-wear
Incorporation of polypropylene fiber engineering can improve the mortar / concrete surface wear ability, significantly reduce surface dusting, breakage off.
Fifth, antifreeze
Incorporation of polypropylene fiber engineering can improve the mortar / concrete antifreeze capacity to effectively improve the durability of concrete. It can be used as an effective means to compensate for temperature differences, so as to effectively enhance the effect of freezing and thawing capability of various components.
Sixth, improve the toughness
Incorporation of polypropylene fiber engineering can greatly improve the toughness of concrete, improve crack deformation, especially for improving the brittleness of high strength concrete has important implications

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