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: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:The use of cinder and other waste slag production of brick materials to enjoy what preferential policies
156), the proportion of raw materials produced in the production of raw materials is not less than 30 % Of the specific building materials are exempt from VAT
Q:Building materials after the test is how to deal with? So much of the steel and other materials, the detection mechanism is how to deal with these materials?
Project Comprehensive Grade A Comprehensive Grade B Comprehensive Grade C Traffic Engineering Special Bridge Tunnel Engineering Special Test Test Personnel Certificate Total Number ≥ 32 people ≥16 people ≥7 people ≥22 people ≥25 people holding test test engineer certificate number ≥12 people ≥6 People ≥ 3 people ≥ 10 people ≥ 12 people Certified engineers professional configuration materials, highway professional ≥ 3 people, bridges, tunnels, pay security professional ≥ 2 people material professional ≥ 3 people, highway professional ≥ 2 people, bridge professional ≥ 1 people materials, highways, bridges, respectively, ≥ 1 people mechanical and electrical engineering professional ≥ 6 people, safety facilities professional ≥ 4 material professional ≥ 2 people, bridges, tunnels, respectively, ≥ 5 people related professional senior title number ≥ 6 people ≥ 1 people - ≥ 4 people ≥ 6 people in charge of technical person 1.
Q:On the back of the indoor water and the surface of the problem
Mainly because the surface of the leakage is easy to find, easier to identify the construction of missing points.
Q:The use of lime mortar as the wall paint material, after a period of time, there have been protruding radial cracks, try to analyze the reasons
The cause of quality problems: First, plastering before the wall did not clean up the dust and the walls are not fully moist, or plaster before the wall was watering, there are clear water on the wall
Q:When using cement mortar, why is its bearing capacity lower than the same strength grade mixed mortar masonry masonry?
Mixed mortar due to the addition of lime paste to improve the workability of the mortar, the operation is more convenient, is conducive to masonry and work efficiency improvement During the construction process more than the use of mortar instead of gray mortar cement mortar, so mixed mortar can also be called to add mortar king of cement mortar However, with the increase in engineering experience, in the actual work found that the use of mortar Wang mixed mortar although the cost savings, but the masonry strength of the situation found that, especially for some brick and concrete structure, affecting the broad masses of the people The safety of life All around the introduction of the relevant local requirements, in general construction is strictly prohibited But the advantages of mortar king is obvious, so a lot of material workers, but also tireless efforts to this research Effect mortar king, can be 1 to 1000 instead of lime A ton of this product can replace a thousand tons of lime Mixing each bag of cement mixed mortar only need to put this product 50 grams (accounting for one thousandth of the amount of cement) For the construction unit to save a lot of construction funds, this product is mainly used for construction works in the masonry and plastering construction The product has to improve the workability of mortar, improve strength Impermeable to cancel the lime or lime paste, reduce construction costs, improve the working environment and so on And environmental protection, is a new green building materials So you can see the mortar king because of green, will gradually replace the mixed with white ash mortar
Q:10 tons of dry powder mortar production line and supporting the need to invest how much money
2-15 tons, 3-5 minutes mixed with a batch of materials, remove the time to feed, an hour to do 8-10 tons no other investment, if you want to engage in a small factory, to hang individual card, if You want to engage in some formal, that But also with the experimental equipment, but also to the building materials for the record, basically on these, if you do not understand, please keep abreast of the exchange
Q:The external walls of the mortar in the insulation mortar need to do what anti-test materials? Can you provide detailed check-in format, please send to my mailbox 467393187@qq.com
Hidden inspection batch you have to do the child powder Jujiao mad fox three types: one is the primary treatment, the second is the insulation layer, the third is crack layer. We generally do so. If you have specific problems in the link.
Q:3 cm thick insulation mortar consumption price is the number of per square
33 level That is, 003 cubic meters per square meter know the bulk density, the multiplied weight, know the price can be obtained price insulation mortar is also divided into inorganic insulation mortar (perlite) and polystyrene insulation mortar Specific Internet consulting can be related to the manufacturer Insulation mortar is a variety of lightweight materials for the aggregate, cement as cement

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