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Raw material composition of polyester
The breaking elongation rate > 16%
Equivalent diameter of 10 to 15 microns
Type of fiber monofilament
Dense degree of 0.9 to 1.35 g/cm3
Melting point 240 ℃ to 260 ℃
Tensile strength of 550 mpa st13
Volume heat resistance under the condition of 220 ℃ for 2 hours without change
The main purpose
Polyester fiber is mainly used in the asphalt road surface, the old mask of the asphalt surface, old cement road surface, road surface cold patch, seam filling and bridge deck pavement, toll roads, etc.
The construction technology
Adding KWS polyester fiber asphalt concrete construction technology and original asphalt concrete construction technology of basic same, but at the same time, to join in a blender aggregate dosage according to the provisions of adding asphalt concrete reinforced with polyester fiber mixer, and with aggregate dry mix 30 to 60 seconds, and then add to mix asphalt mix 30 to 60 seconds.For continuous drum mixer and partial batching type mixing equipment, mixing process is different.Continuous drum mixer, fiber must be along with aggregate before completely dry aggregate to join.Partial batching type mixing equipment, according to the ratio of engineering, directly adding fiber in the process of stirring gently in the aggregate.
Recommended dosage
Used for high grade highway | |
Day and night traffic volume |
amount of fibre(kg/ton asphalt mixture) |
<5000 |
1.5 |
5000-60000 |
2.5 |
>60000 |
3.5 |
Used for bridge deck pavement | |
Fiber content (kg/tons of asphalt mixture) | |
wearing course |
3.5 |
Air cushion |
2.5 |
Packing specification
Basic specifications of length: 6 mm (+ / - 1), the basic PE bag packing the inner packing 1 kg/bag, the other can according to customer requirements production and packaging
The main function
To improve the high temperature stability of asphalt concrete
To improve the low temperature crack resistance of asphalt concrete
To improve the fatigue resistance of asphalt concrete
To improve the water stability of asphalt concrete, spalling resistance, abrasion resistance and durability, prolong the service life of pavement.
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