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:Renovation of the master with Lauer mortar waterproofing agent to do when the water did not use the river sand
You really have not heard of this, I was also before the decoration company to work, our company is used in the East rain rain waterproof material, is said to be the best, you must leave some watery eyes, do the closed water experiment
Q:What are the general types of waterproof materials, the number of years of use?
Waterproof material is divided into the first category from the above, there is a flexible waterproof material and rigid waterproof material 1. Flexible waterproof material is divided into waterproof membrane waterproof coating sealing material 2. Rigid waterproof material is roughly divided into silicone waterproof material fatty acids Waterproof material is also commonly used in the waterproof membrane SBS, APP, TPO, waterproof coating is also divided into K11 general type, K11 flexible type, JS, rigid waterproofing is the most common mortar waterproofing agent The This is a lot of factors related to, such as whether the standard construction, the thickness of the waterproof layer, waterproof layer of the latter part of the protection, but one thing is certain is the mortar waterproofing agent Water resistance is relatively long for waterproofing materials.
Q:Flexible waterproof layer of protective layer there are several? Rigid waterproof layer of protective layer and there are several?
Flexible waterproof layer of the protective layer there are two: flexible protection and rigid protection, flexible protection is a layer of cement on the coil, rigid protection is coated with a layer of 2CM thick cement mortar, but these are for SBC120 coil Germany, SBS is no protective layer, SBS above the cement can not be wiped. Flexible waterproof layer: the use of a certain flexibility and greater elongation of the waterproof material, such as waterproofing membrane, organic waterproof coating composition of the waterproof layer. Building waterproofing works in the building waterproof waterproof waterproof. Rigid waterproof layer: the use of high strength and no extension of waterproof materials, such as waterproof mortar, waterproof concrete formed by the waterproof layer. It is called rigid waterproofing by relying on the compactness of the structural members themselves or using rigid materials for waterproofing layers to achieve the purpose of building waterproofing.
Q:Hollow brick, solid brick, mortar how to express in the construction map
112 This project is a total of X type flat combination (X type), the building plane to the owners to provide the apartment layout and the combination of plans based on the design
Q:1 ton of inorganic insulation mortar is equal to how many cubic
glass beads insulation mortar, a cubic of about 500 kg, converted to a ton for 2 cubic
Q:I would like to use waterproof coating and mortar waterproof together to do bathroom waterproof can you? What kind of material with what?
It is recommended to use a waterproof coating on the ash layer to brush. Slightly brush it again, dry, brush it again. This is called once. Need to brush twice. Cement mortar waterproofing can be made on the waterproof coating above, do the protective layer. And then paste the tiles.
Q:Is there any special material for tiles? Or only cement mortar?
Because before the paste with cement mortar, easy to fall, would like to ask if there is no other way to add the problem: it is better to say that the more detailed point
Q:Are those materials in the construction project required to be tested?
Are those materials in the construction project required to be tested?
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:Polystyrene insulation mortar insulation in the external walls. Foreground will be how,
According to the provisions of the document No. 65: civil building insulation materials used to ridicule the tank waste Intuit Biao Shizha sound burning performance for the A-class material. Polystyrene insulation mortar market prospects are not very optimistic.

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