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CarbonWrap

CarbonWrap® Repair FS repair mortar — rapid-hardening non-shrink mix

Thixotropic repair mortars

For rapid restoration of surfaces the manufacturer offers CarbonWrap Repair FS non-shrink mix: after 1 day it reaches at least 30 MPa in compression, and at 28 days 50 MPa, with frost resistance F300 and water impermeability W10. The mortar with reinforcing fibres is suitable for concrete, reinforced concrete, masonry, reinforced masonry, brick, foam concrete and aerated concrete structures, including as a base for CarbonWrap Grid carbon grids. It works at pH from 4 to 13 and at constant temperatures up to +250 °C.

Specifications

ManufacturerCarbonWrap — OOO “Nanotekhnologicheskiy tsentr kompozitov”, Moscow
Typethixotropic repair mortars
Usehydraulic structures and dams, tanks and treatment plants, industrial buildings, tunnels and metro, bridges and overpasses, roads and airfields, floors
Basenon-shrink one-component dry mix: cement, mineral filler, reinforcing fibres (PAN fibre), active chemical admixtures
Colourlight-coloured dry mix
Packagingpaper bags with a PE liner, 25 kg (GOST 2226-88)
Application methodrapid restoration of surfaces (spalls, potholes, erosion) of concrete, reinforced concrete, masonry, reinforced masonry, brick, foam concrete and aerated concrete structures, incl. under CarbonWrap Grid carbon grids; remove weakened concrete mechanically, chase out cracks to at least 10×10 mm, clean, dampen without unabsorbed water; water at 20 ± 2 °C in the proportion stated on the packaging; mix for at least 2 min to a paste consistency; adding more water later is prohibited; apply without delay with a spatula or trowel, compact with a vibrating screed or by tamping, smooth with floats; large areas — continuously, without cold joints
Application temperaturesurface temperature +5…+50 °C
Curing24 h after application keep moist with water for 1 day; organic coatings — after 3 days, mineral finishes — not earlier than after 24 h
Key propertiescompressive strength at 1 day at least 30 MPa, at 28 days at least 50 MPa; flexural tensile strength class at 28 days at least Btb 8; bond strength to concrete at least 0.5 MPa (1 day), 1.2 MPa (7 days), 1.8 MPa (28 days); frost resistance at 28 days at least F300; water impermeability at 28 days at least W10; water retention at least 98.0 %; segregation no more than 10 %; abrasion at 1 day no more than 0.5 g/cm2; non-shrink; working time of the mortar no more than 30 min; service in aggressive media at 4 < pH < 13 (ammonium NH4+ more than 2000 g/m3, magnesium up to 10,000 g/m3, 15 % H2SO4 and HNO3, 10 % HCl, 10 % NaOH, H2S up to 0.0003 g/m3, methane up to 0.02 g/m3, mineral oil, kerosene, AI-95 petrol) and under constant exposure to temperatures up to +250 °C
Shelf life12 months from the date of packing; in dry rooms in the manufacturer's packaging; at temperatures above +30 °C protect from direct sunlight
StandardsTU 5745-052-38276489-2017

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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