• 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: Civil building insulation materials, combustion performance grade A What is the material
A non-combustible inorganic insulation mortar glass wool foam glass plate foam ceramic plate aerated concrete plate rock wool board (Article) B1 flame retardant powder polystyrene particles insulation mortar PU phenolic resin board black EPS board B1 level white EPS board B2 combustible B2 grade white EPS board XPS board B3 flammable
Q: Glass beads insulation mortar need to do test pieces or raw materials re-examination?
Yes, the raw material testing, with the conditions of the test block should be, with the conditions of 300x300x30 do lead to each other, Strength, thermal conductivity.
Q: Recently to do the concrete (texture) model, probably a flower pot size, to find the next material, only to find mortar, mortar, yellow sand and the like, cement, then it seems to sell a few bags of white water Danti orange Li Li mat Dead mud, or white portland cement. What I want to do is the kind of concrete that is gray. Do not know what materials I want to stir or mortar mixing directly to the abrasive on the like? If you want to use the mortar, then, is to buy rigid or flexible? More
Gypsum, model paint, and then effect liquid. The The The
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
1: 2: 3 are cement, bean and mortar
Q: Is it possible to protect the waterproof layer of fine concrete? Is the mortar protective layer applied directly to the linoleum? Like the rough sand will Ge broken linoleum it? And mortar layer thickness strength is not large, can play a protective role? In fact, do not understand what the protective layer to protect, is the roof of the people, set the load crushed waterproof layer? Rigid waterproof layer I do not know what to protect. More
There are three kinds of roof waterproofing program: membrane waterproof, rigid material waterproof, and waterproof coating. The coil should be called flexible waterproof rigid waterproof generally waterproof mortar and fine stone concrete layer protective layer is used to protect the coil, such as the aging problem of what the general superior roof selection rigid waterproof
Q: Cement mortar ground lining non-metallic wear-resistant material is what it means
Used to repair often in the susceptible to wear, erosion, cavitation damage or chemical corrosion environment, equipment parts, metal surface repair, can also produce a variety of pre-wear anti-corrosion coating The use of temperature -50-150 ℃ 【wear-resistant metal repair agent performance characteristics】 ★ construction convenience, reduce downtime; ★ high strength with the metal substrate; ★ excellent single powder pole put mad borer Frost wear and And chemical resistance is more than 2 times the general metal; ★ fully cured after a variety of precision machining; ★ products to solve the emergency maintenance and a large number of equipment wear and corrosion problems, you can root run, run, drip, drain problems The The problem with the plastic just a little easier to worry-free, suitable for emergency repair purposes
Q: Cement mortar label M. M7.. M. C. C25; cement grade C. C. C. C. etc., are used to which stage of the building, at the edge of the fool, Pile, beam and other general use of the number of cement, cement mortar are used where? More
M is the red brick label, cement mortar is Mb
Q: Insulation putty can be used alone as an external wall insulation material? Whether the external wall insulation putty can replace the external wall mortar
Under normal circumstances need to use with the insulation materials
Q: External wall insulation with anti - cracking mortar but also with waterproof mortar Are the two materials the same? Only one okay?
External wall cracking mortar and waterproof mortar is generally two different things. In order to effectively protect the inside of the insulation layer is not damp, anti-cracking mortar outside the general have a waterproof wall putty, and then paint and other exterior coating. This system will eventually ensure that the wall as far as possible from the erosion of rain. But the waterproof mortar is mainly used in the basement, kitchen and toilet, roof and other fields, for the isolation by the ridas rafts Wo Wo boudou fluttering into the card where there is water often.
Q: Wall whitewash with 114 mixed mortar, no lime cream can be used to replace what other materials
It is recommended that you choose the product of Dongfang Yuhong Spraying Polyurea Supporting Material Rainbow PUP-261 Epoxy Primer is made of epoxy resin, curing agent, thinner and additives and other components for a concrete base Closed primer

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