Sealing and rehabilitation of cracks in asphalt concrete pavements of roads and airfields.
Advantages
High quality sealing and sanitation of cracks.
An effective method for restoring the integrity of coatings.
High rates of heat resistance and frost resistance.
Specifications
Softening point according to K&Sh, °С, not lower: +65 Flexibility, °С, not higher: −30 Depth of needle penetration at +25 °С, 0.1 mm, not more than: 90
Composition
Petroleum bitumen, plasticizer, modifying polymers and filler (STO 77310225.003-2021).
Technology
Cutting cracks with a cutting machine.
Blowing with hot compressed air.
Treatment of crack walls with Brit polymer primer.
Pouring heated to (170–190) ºС with Brit sealing mastic.
Surface treatment with finely dispersed mineral material.
The description of the work production technology is presented in detail in STO 77310225.003.2-2021 “Brit” polymer-bitumen sealing materials. Technology of rehabilitation of cracks.