Additives to produce cold mix for repairs

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COLD MIX 150x200

For production of cold asphalt mixes for road repairs we recommend following additives: Iterlene IN/200Special, Iteroil G40, Iteroil BG.
All these additives make anti-sticking film surrounding bitumen coated aggregate. Additionally to this feature, Iterlene IN200 Special also improves bitumen adhesion to aggregate.
We recommend following production process:
- aggregate of required granulometry have to be well dryed in a dryer drum and then have to be kept until aggregate temperature drops down to 80° C;
- warm, but not hot aggregate has to be feeded into the pug mill of the asphalt plant and well mixed with bitumen 160/220 (harder bitumen, for example 70/100, can be used as well, but the mix will be harder and more additives we will used). Usual content of the bitumen is 4,0 - 4,5% from the aggregate weight.
- when aggregate is well covered by the bitumen, it is time to feed in Iterlene IN/200Special or Iteroil G40, Iteroil BG into the mixer and continue mixing until we get good homogeneity. Depending on aggregate granulometry, bitumen we use, plasticity of the cold mix we expect, the dosage of the mentioned additives can vary from 20% up to 35% from the bitumen weight.
Rekomenduojamas gamybos procesas:
– reikiamos granulometrijos mineralinės medžiagos išdžiovinamos ir laukiama iki jų temperatūra nukris iki 80° C;
– mineralinėms medžiagoms atvėsus, jos paduodamos į maišymo agregatą kartu su bitumu 160/220 (gali būti naudojamas ir kietesnis bitumas, pavyzdžiui, 70/100, tačiau tokiu atveju mišinys bus kietesnis, reikės daugiau priedo); bitumo maišoma 4.0 – 4,5% nuo mineralinių medžiagų svorio.
– bitumui pilnai padengus mineralines medžiagas, į maišymo agregatą įvedamas vienas iš mūsų siūlomų plastifikatorių. Priklausomai nuo naudojamo bitumo minkštumo, mineralinių medžiagų granulometrijos, bei pageidaujamo mišinio plastiškumo, rekomenduojama plastifikatorių norma yra 20-35% nuo bitumo kiekio. Įvedus plastifikatorių, mišinys gerai išmaišomas.

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Very often in a simple way repaired hole can last longer, than the asphalt surface around it - it's a signal for complete renovation of the asphalt layer, because the patching of the holes is very temporary solution.

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