Tenders Are Invited For State Purchases By The Method Of Competition Of Building Materials (Sealant Of Bitumen-Polymeric) For The Current Repair And Maintenance Of Airfields Of Air Defense Forces Of The Armed Forces Of The Republic Of Kazakhstan For 2025

The Sealant Of The Biton-Polymer Is Designed To Seal Deformation (Technological) Seams, Sanitation Of Cracks In Concrete, Reinforced Concrete, Asphalt Concrete Coatings Of Airfields. Operational Requirements: The Relative Lengthening Of Sealants At The Time Of The Gap Should Be At Least 75% At A Temperature Of Minus 20 Os; The Temperature Characterizes The Flexibility Of Sealants Should Not Be Higher Than Minus 35 Os For Sealants Of The Brand G35; The Adhesion Temperature Of The Sealant Should Not Be Lower Than Plus 50 Os; The Sealant Should Withstand The Aging Test Under The Influence Of Ultraviolet Radiation For At Least 1000 Hours.; The Endurance Of Sealants Should Be At Least 30,000 Deformations Tested By The Sealant With Vertical Movement Of The Coating Plates Relative To Each Other; The Water Absorption Of Sealants Should Not Exceed 0.5% By Mass. Technological Requirements: The Viability Of Cold Sealants At Temperatures Up To +60 Os Should Be At Least 1 Hour; On The Operated Coatings, The Period Of Time From The Moment The Seams Fill The Seams With Sealants Of Cold Use Until The Possible Operation Of The Coating At A Temperature Of +20 Os Should Be No More Than 6 Hours. Package: The Packaging Should Ensure The Safety Of The Sealant During Its Transportation And Storage. The Mass Is Not Less Than 30 ± 5 Kg. Marking: A Label Should Be Glued Or Glued To Each Tar. The Name Of The Manufacturer And (Or) Its Trademark; The Name Of The Sealant And Its Symbol; Batch Number And Manufacturing Date; Net Mass, Kg; Brief Instructions For Use. Gost 30740-2000 Materials Sealing For Seams Of Aerodrome Coatings