Polypropelene Fiber for Concrete(PPF)

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Polypropelene Fiber for Concrete(PPF)


PPF, is also called engineering fiber
concrete fiberanti-crack fibercrack control fibersynthetic fiber or plastic fiber, etc. It is a kind of high intensity bunchy monofilament fiber mainly made of PP by special technique
Put PPF into the concrete or mortar, can effectively prevent temperature change, micro crack caused by plastic and dry shrinkage, etc, thereby prevent and control the happen and development of crack and improve effectively anti-crack
anti-infiltrationanti-concussion and anti- shock of the concrete.
They are used widely in roads
bridgesunderground waterproof projects and roofingswallspoolsbasements of the industrial civil construction

The Physicochemical Properties of PPF

Regular Spec: TB-PP-20S (TB-20)

Material Form

polypropylene

The Type of the Fiber

bunchy monofilament

The shape of section

trefoil or circle

Identical Diamete (m)

15-45

Density(g/cm3)

0.91~0.93

Length(mm)

6,10,12,15,19

Color

nature(white)

Tensile Strength (MPa)

≥500

Elongation at Brea(%)

≥15

Modulus of elasticit (MPa)

≥3500

Melting Point(℃)

160~180

Acid & Alkali Resistance (the holding rate of lightiness) (%)

strong

NoteThe range of length 3-50mm, and according to the your demand

The General Introduction of the Fiber Reinforced High Performance Concrete (FRHPC)

The cement concrete material is the most widely-used man-made construction material nowadays. But it tends to produce crack as a result of its brittleness, and the anti-stretch intensity of the ordinary high-strength concrete is far lower than its anti-compression intensity, so the brittleness damage easily happen, which will influence the lifetime of the project.
With the rapid development of the city construction of our country and the continuous innovation of the technique of architecture, the high-rise buildings
the skywaysthe underground traffic make requests to the performance of the concrete, e.g. high anti-stretch and anti-compressionhigh toughnesshigh anti-infiltration and anti-crackeasy to construct and so on, as a result, the FRHPC arised.
FRHPC, that is, adding synthetic fiber or steel fiber or glass fiber or carbon fiber etc. into the ordinary concrete, which embodied the logos of composite material design. Especially the synthetic fiber reinforced concrete, not only remain the high anti-compression the concrete inhered, but also reinforce anti-crack, anti-infiltration and toughness, that make it meet the demand of nowadays high and new construction better.

The Function of Reinforcement of PPF for the Concrete

1) anti-crack function
TB-Fiber distributes in the concrete in 3D stereo, which reduces the stress concentration of the micro crack point , weakens or removes the tension caused by sun crack of the concrete or mortar, further prevents the happen and development of the micro crack  
For plastic concrete, TB-Fiber can support the aggregate, reduce and prevent the isolation tendency of the concrete, so lessens even prevent the happen of crack on surface

2) the improvement of anti-infiltration performance
TB-Fiber can lessen the plastic crack of concrete effectively, and prevent the development and run-through of the crack
The evenly distributed fiber monofilament formed a support system, prevent the surface bleeding and the aggregate fall, decrease the bleeding of concrete, reduced the bleeding passage of concrete, lessened the hole rate greatly, consequently prevent infiltration of the concrete obviously

3) the improvement of anti-freezing and thawing
TB-Fiber can decrease effectively anti-compression stress concentration in the concrete caused by several times’ circulation of freezing and thawing, which prevent the further extend of the micro crack. In addition, the increase of the anti-infiltration of the concrete surely makes for the improvement of freezing and thawing

4) the improvement of toughness and anti-shock.
TB-Fiber can help to absorb the kinetic energy,which produced when the component of concrete is shocked, moreover due to the anti-crack effect of the fiber, when the concrete is shocked, the fiber can prevent the rapid extend of the inner crack, consequently increased the toughness and anti-shock of the concrete.

5) the improvement of durability  
The excellent anti-crack effect of the TB-Fiber reduce the happen and development of the crack greatly
The reduction of the inner hole rate makes the infiltration and corrosion from the water
the chemical substancethe salt of the Cl as well as other outside factors slow down, i.e. because of the great reduction of the crack, the channel that provided by the crack which would make the function of damage and corrosion infiltrate even extend becomes less and less, which reduces the damages to the structural main bar, thereby improves the durability of the concrete.

6) the improvement of fire resistance
Adding TB-Fiber into the concrete, especially the high-strength concrete, can improve the fire resistance and the security in fire High-strength concrete has high compaction. In the flame, because the high pressure steam formed by heating up of free and chemical water in the concrete is difficult to escape, frequently, the component of the concrete would blowout and collapse suddenly, and cause big harm.
However the fiber concrete could avoid the blowout in fire effectively. Because when the temperature in the component of the concrete is above 165
, the PP fiber monofilament mesh that distributed around them will melt, simultaneously produce  inner link channels for the escape of the high pressure steam from the concrete.

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Q:What is good for roof waterproofing? Coil or waterproof paint ah?
At present, the use of waterproof or better use of the coil, the use of the length of the membrane is generally longer than the paint time of 2-5 years to cut the light orange speculation cut from the corpses, of course, the price of paint must be cheaper. The specific brand of words to distinguish your local material.
Q:1: 8 cement ceramic particles to find how to set the amount of slope set
1: 8 cement ceramic particles to find slope layer, according to the amount of 1: 8 cement vermiculite with the amount of vermiculite in the calculation (that is, each cubic 1: 8 cement ceramsite, cement 0.175t, ceramic 1.02 cubic). 1: 8 cement ceramsite to find slope layer cover roof insulation layer quota, and then adjust the material spread, or the preparation of supplementary quotas.
Q:What is good for the waterproofing layer of the outer wall of the basement?
A: The basement of the outer wall of the protective layer can be a variety of
Q:Paste the culture of stone mortar into the construction site after the need to do material re-examination?
As for the mortar test block, then look at the side of the side of the side of the United States, some places require, and some do not require
Q:10 tons of dry powder mortar production line and supporting the need to invest how much money
10 tons of dry powder mortar production line, first of all to figure out the 10 tons, is one day production, or an hour of production if it is a day of production, it is only a small production line, you buy a set of cubic mixer is enough, the total investment is not To 3 million, because it does not need a lot of square, 100 square enough, this you see your local situation; simple analysis: 1 cubic once can be mixed 600-800KG, one day down, 8-10 tons is enough if Is a 10-hour hour, the production requirements on the higher, the most basic need to support: a bucket elevator, a 2 cubic biaxial mixer, a finished warehouse, two pneumatic packaging machine, a control system, a Air compressor, plant 300-600 square meters enough, equipment, about
Q:Bags of dry powder polymer cracking mortar a cubic of the number of kilograms
"EVB insulation mortar" EVB particles as a dry mix of lightweight aggregate, through the scientific production process in the high-quality cement, fiber polymers and modifiers, the formation of one-component inorganic thermal insulation fire dry mortar Patent number
Q:What is the difference between the insulation mortar and the ordinary mortar per square meter?
Ordinary mortar has two major categories, one is masonry mortar, mainly used for building materials bonding The other is plastering mortar, for the wall plaster leveling The thickness is related to the flatness of the wall In the actual construction of the thickness of the insulation mortar than ordinary plaster mortar thickness, the price is much higher than the ordinary mortar
Q:Waterproof coating type Ⅰ and Ⅱ What is the difference between ah?
A lot of waterproof materials, including coatings and coils, are divided into type I and type II or even type III, mainly physical properties of the distinction between the distinction that some of the mechanical properties of the level, and some only show the performance difference, for different Waterproof selection of parts. Such as "JS" waterproof coating type Ⅰ strength and elongation were 1.2MPa / 200%, Ⅱ type were 1.8MPa / 80%, one is low strength and high extension, the other is high strength and low extension, suitable for different waterproof parts The Another example is the infiltration of crystalline waterproof material Ⅰ and Ⅱ type that impermeability level, Ⅱ type impermeability better. Also used in class I and class II, this distinction is mainly to indicate the material morphology or material composition of the different, such as polymer cement waterproof mortar Class I and II said emulsion type and dry powder type. What is the specific performance of the waterproof coating may look at the corresponding waterproof material standards, such as polyurethane waterproof coating is GBT "polyurethane waterproof coating"
Q:What is the usual leveling of the ground? By which type of work to complete?
The ground of the kitchen and the bathroom needs to be leveled, as it relates to the need for subsequent flattening tiles and slopes of water, which is done by the mason. If it is the floor, then it is involved in what you use the floor? If it is solid wood flooring that will use the wood keel, wood keel spacing is based on the length of the floor to set, the general spacing is one-third of the floor. This work is done by carpentry or people who sell the floor. Specifically who does it depends on you. Leveling the standard is actually looking for a horizontal line. If it is a composite floor, it depends on your room how the ground flatness. If the problem is not big, it can be laid directly on the ground, (solid wood flooring below is sure to play wooden keel), but under the floor of the moisture pad is certainly not less. If the flatness of the room is not enough, then it needs leveling, leveling the material can be "self-leveling." It is a kind of cement mortar like glue-like objects, poured on the ground will flow to the various corners of the room to make the role of the ground level, dry after the ground on the flat. There is also a way to play in the composite floor under the wooden keel leveling, after playing wood keel but also covered with blockboard. But this is more expensive than "self-leveling". Leveling the standard is actually looking for a horizontal line.
Q:M10 mortar mix design and raw material test a total of how much material?
The requirements of each test station is different, usually cement 20KG, sand 40KG

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