... amount of traffic load, fiber volume. advice a ton have asphalt:traffic density under the 3000,have 2.5kg quality, traffic ... 3000,have 3.5kg quality.add polyester fiber not change asphalt concrete ratio of raw materials;add polyester fiber not change ... with blender. Firstly dry stir about 30 second, than add asphalt wet mixture 30second, make it fully mixing. highway ...