• Polypropelene Fiber for Concrete(PPF) System 1
Polypropelene Fiber for Concrete(PPF)

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.

Q: Now commonly used cement mortar building, what is the ancient use of clay material it
Some with yellow mud (sticky) useful sugar is also useful volcanic ash
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: Glass beads insulation mortar need to do test pieces or raw materials re-examination?
Yes, the need for sampling; generally for the quality of the project will do, but the supplier to the sample, the experiment is a bit disparate. From the goods in a few bags to do the experiment Caixing; 30ox300x30 only heat conduction, 100x100x100 only for compression. Raw material testing, with the conditions of the test block should be, with the conditions of 300x300x30 do thermal conductivity detection, 100x100x100 do compressive strength testing, raw materials, test dry density, compressive strength, thermal conductivity.
Q: I would like to use waterproof coating and mortar waterproof together to do bathroom waterproof can you? What kind of material with what?
Can ah ... it is a very good combination, the equivalent of just the length of the long Fu Fu Ying-hua bronze expansion. Waterproof paint, choose JS waterproof coating waterproof mortar, choose the market sales of waterproofing agent mixed with the home of the cement and sand mixed with the formation of waterproof mortar .. would like to ask, you are their own decoration? Is a simple bathroom, but the family has a bath what? If so, the developer has done a waterproof before the delivery, you can only choose a way. Pay attention to do 24h waterproof test, the general decoration workers will know to tell you.
Q: Home to warm backfill, to warm the requirements of the back to fill with the strength of the C15 of the bean concrete, but the warm work that with 13 chicken gnawing flone glycoside sulfonate bag Han Li bag cement, 1 gravel (melon stone 5mm), 2 Sand concrete (gravel and sand ratio and C15 gap between the larger), concrete mixing station also tend to a reasonable proportion, said the local warm backfill is the proportion of which proportion I should require backfill concrete, confused? More
After the completion of the completion of the completion of the completion of the completion of the end of the building, the use of cement label . concrete composition Weight: cement: sand: melon pieces (beans): water = 1.25: 3: 2 : 0.4
Q: What is the best bathroom waterproof material? Bathroom is a membrane or paint ah, what good manufacturers recommend more
Small indoor waterproof, of course, is a good coating, the roll is difficult to lay the corner and it is difficult to ensure that the waterproof effect, recommend several waterproof brands: Tak Tak, Leibang Shi, Oriental rainbow, Sika, Henkel, hope to help your turn
Q: Now what is the general use of indoor plaster material? Please advise, thank you
Mainly from the water brush stone, cut false stone, dry stone, mask brick, etc ; Corner of the material there are a lot of fake bar Ken Ken old staggering, from the material can be divided into: wood products Corner, stone Corner , Metal angle and so on practice according to different requirements of the construction materials Plastering hollowing for many reasons: grass-roots clean-up or oil and other non-clean substances caused by hollowing Prevention and control methods: the grass-roots clean and then plastering works grass-roots cement mortar cracking phenomenon Prevention and control methods: the cement mortar layer cracking position destroyed, and then do a good job of cement mortar rest work cement mortar layer hollowing Prevention and control methods: the hollowing out of the cement mortar layer from the new cement mortar layer plaster material failure Prevention and control methods: to find a regular factory credibility is relatively high, with a certificate of inspection and material within the shelf life seepage, back tide caused by hollowing Prevention and control methods: the root of the seepage of water treatment, the new cement mortar and then plastering works Back to the tide caused by the hollow can only destroy the original plaster layer and then do the new
Q: Are those materials in the construction project required to be tested?
As long as you are on the use of materials on the site need to do experiments, such as concrete, sand, stone, cement should be sent to the laboratory to do experiments, the laboratory will be out of concrete mix, if you need to use steel bars, Room to do the experiment, after the completion of the information inside to pay the experimental data, if not the experimental data convulsions Emperor Chi Gao gambling astronomical performance, the Audit Bureau will not recognize.
Q: What is the wall gray? Is the mortar king or mortar the same?
Improve the mortar of the workability, water retention, cohesive force, so that the cement can maximize the hydration, thereby enhancing the strength of mortar, construction performance and effectively reduce the floor ash; completely avoid the gray paste (powder) after the construction of the second water The emergence of the burst of particles, cracks, for the construction of the surface to create a good base surface At the same time compared the use of traditional gray paste (powder) to reduce the cost of about 30% of the material Is in line with international low-carbon, energy-saving trend was environmentally friendly building materials
Q: Choose epoxy mortar floor, looking for epoxy mortar floor construction program
Epoxy mortar floor, widely used in machinery, electronics, chemicals, medicine, tobacco, textile, furniture, light industry and other manufacturing plants and warehouse floor, its ultra-high strength, wear resistance, beautiful and durable, Texture, solid, easy maintenance, etc

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