Brand:aa
Product detail:
TZ - PF polypropylene fibre
The main technical performance, product
1, improve the crack resistance of mortar and concrete. The product increase the limit drawing ratio of mortar and concrete, and through the stress transfer of fiber to prevent slurry, the early concrete curing process caused by the plastic shrinkage and hydration heat crack.
2, improve the permeability resistance of mortar and concrete greatly. The addition of the product reduces the moisture penetration on the surface of mortar and concrete, improve its rigidity water performance.
3, improve mortar, concrete resistance to impact, bending and seismic performance. After joining this product, has improved the toughness of mortar greatly, when fiber concrete hit from the outside world, fiber can absorb a large number of impact energy, reduce the local stress concentration, so as to improve the impact resistance of cement mortar, concrete, improve the flexural and seismic performance.
4, improve wear resistance of mortar and concrete. This product can effectively control the exudation of mortar, concrete mixing materials, reduce the cement particles, sand, such as segregation effect, improve the bonding performance of substrate, forming a stronger surface layer, so as to improve its wear resistance.
5, improve the antifreeze performance of mortar and concrete. after joining mortar and concrete the improvement improved greatly, and improved the concrete freezing-thawing resisting damage ability .
6, strong dispersion, workability.
7, good chemical stability, acid and alkali resistant capability is strong, safe non-toxic, for reinforcement corrosion damage.
8, this product is the physical and chemical performance indexes reached GB/T21120-2007 standard for cement concrete and mortar with synthetic fiber requirements:
Table 1: TZ - PF product Main technical indicators
Fiber type | Beam web | monofilament | note |
Equivalent diameter | 80μm | 18~60μm |
|
Nominal length | 5~40mm | 3~40mm | According to user's request |
Fracture strength | ≥400MPa | ≥400 MPa |
|
Initial modulus | >3.5×103 MPa | >3.5×103 MPa |
|
Elongation at break | 8~30% | 15~35% |
|
Resistance to acid, alkaline | Very high | Very high |
attention
1, the range of content: 0.6 ~ 1.2 kg/m3, recommended dosage is 0.9 kg/m3.
2, length: the length of the mortar with monofilament polypropylene fibre is commonly 3 ~ 20 mm; Concrete with monofilament polypropylene fibre length is usually 6 ~ 40 mm. The length of the mortar with reticulate polypropylene fiber is usually 5 ~ 20 mm; With reticulate polypropylene fiber concrete is usually the length of the 15 ~ 60 mm.
3, mixing: don't change the ratio of mortar and concrete, this product can be joined together to stir, appropriately extended mixing time, make its mix.
4, the mixture ratio design, mortar and concrete with polypropylene fiber is secondary to strengthen the role of, is a physical process rather than a chemical process, do not need to change the original mix proportion of concrete and mortar.
5, maintenance: mortar, concrete after joining this product, do not require special maintenance still according to the construction acceptance specifications for curing.
6, polypropylene fiber to replace and cannot be used as structural strengthening material, can only help to strengthen the effect.
7, cannot be used because of the polypropylene fiber and reduce the size of the structure.
8, cannot be used because of the polypropylene fibre and not according to relevant state regulations, carry out the construction and maintenance.
9, high temperature should be careful with polypropylene fiber concrete.
products are mainly applicable scope
1, building engineering, mortar, concrete structure of civil and industrial buildings, including site casting, beam-column, the basement floor and side panel, roof cast-in-place floor slab, pool structure, crack resistance, impact resistance, high wear resistance requirements of engineering.
2, municipal engineering, concrete road and square, bridge, tunnel, subway, port terminals, interchange bridge, bridge, airport runway, super long structure, etc.
3, water conservancy project: levees, DAMS, etc.
4, antiknock, refractory engineering: civil air defense, military engineering, oil platform, chimneys, refractory materials, etc.
5, shotcrete, tunnel, culvert lining, thin-walled structure, slope reinforcement, etc.