Glass fibers made from polypropylene chips are used to enhance the flexural and tensile strength of structures and to prevent the formation of surface and deep cracks in concrete, cement mortars, and plasters. The shrinkage of concrete and mortar after drying and reaching final set leads to dimensional changes, resulting in numerous surface and deep cracks. By incorporating a small amount of P.P fiber during concrete pouring and cement application, cracks are significantly reduced. These fibers have a specific gravity of 0.91 grams per cubic centimeter, a tensile strength of 300 to 400 megapascals, and a length of 12 millimeters.
Tensile and bending stresses
Made of polypropylene chips
0.91 grams per cubic centimeter
Increase in concrete ductility
Surface and deep cracks
Caused by temperature fluctuations
No need to add extra water to the concrete.
Increasing the adhesion coefficient
Control of tensile and flexural stresses due to temperature fluctuations, prevention of cracking in concrete and cement mortars, enhancement of strength in repair mortars and stress points in structures, reduction of concrete density, increase of concrete’s safety factor against static and dynamic loads, creation of isotropic conditions and reduction of concrete’s brittleness, improvement of concrete ductility, absorption of impact energy, and elimination of the need for additional water in concrete due to hydrophobic properties.
Manufacturing precast concrete components (such as slabs, concrete blocks, and walls), precast gypsum and straw components, spraying concrete on curved surfaces (like tunnels), reducing the thickness of concrete slabs while maintaining their strength, constructing impact-resistant structures such as shelters and explosive storage facilities, building airport runways, concrete dam bodies, protective walls, and nuclear reactor buildings, producing various repair mortars, stabilizing and securing rocky slopes and landslide-prone walls, foundations for large industrial motors and machinery like turbines and diesel generators, and manufacturing prestressed concrete beams and impact-absorbing piles.
The P.P concrete fibers can be added to the mixer at any time. (If the fibers are added to the water at the end, they should be poured into the mixer and mixed for an additional 3 to 4 minutes to achieve a uniform blend.) When using ready-mix concrete, gradually add the P.P concrete fibers into the truck mixer and continue mixing at high speed until you ensure complete distribution of the fibers within the concrete. (Do not add the fibers to dry materials under any circumstances.)
For each cubic meter, 0.5 to 2 kilograms.
10 grams of P.P concrete fibers + one liter of water
Note: Please read the following points carefully before use:
1 kg
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Polypropylene (P.P) glass fibers made from polypropylene chips are used to enhance the tensile and flexural strength of structures and to prevent the formation of surface and deep cracks in concrete and mortar.
It is 12 millimeters.
Yes, P.P fibers can be incorporated into concrete and mortar, significantly reducing cracks during pouring and cementing.
For each cubic meter, 0.5 to 2 kilograms can be used, and the mix ratio is approximately ten grams of P.P concrete fibers plus one liter of water.
If P.P fibers are added to the concrete at the end, they should be placed in the mixer and mixed for 3 to 4 minutes to achieve a homogeneous and uniform mixture.
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NSG Engineering Group, established in 2000, is dedicated to advancing the construction industry through knowledge-based innovation. We specialize in: Cutting-edge waterproofing and moisture barriers, Advanced concrete and mortar additives, State-of-the-art construction resins and adhesives. Our products leverage nanotechnology and water-based formulations, offering safer, more efficient alternatives to traditional methods. As pioneers in Iran’s construction sector, we’re committed to localizing emerging technologies and driving industry progress.
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