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CarbonWrap

CarbonWrap® Resin HT+ epoxy saturating resin (increased heat resistance) — up to 110 °C

Composite strengthening

CarbonWrap Resin HT+ is chosen for external reinforcement of concrete, reinforced concrete, masonry and metal structures whose surface operates at 60–110 °C, and for use together with fire protection. Carbon tapes, fabrics and grids are impregnated with the resin by hand, applying it by roller or brush; the component ratio is 100:35 or 100:30 by weight, as per the product label. The glass transition temperature after curing for 15 h at 120 °C is 117–123 °C, after 6 h at 85 °C — 107–113 °C.

Specifications

ManufacturerCarbonWrap — OOO “Nanotekhnologicheskiy tsentr kompozitov”, Moscow
Typecomposite strengthening
Basetwo-component epoxy saturating resin: component A — blend of epoxy resins and functional additives; component B — polyamine hardener with special additives; solvent-free
Colourcomponent A — transparent (pale yellow); component B — pale yellow; mix — pale yellow
Packagingcomponent A — 20 kg pails and component B — 7 kg pails, or component A — 15 kg pails and component B — 4.5 kg pails
Application methodCarbonWrap external reinforcement system on concrete, reinforced concrete, masonry and metal surfaces in service at 60–110 °C, and together with fire protection; hand impregnation of carbon tapes, fabrics and grids; no separate primer required; A:B = 100:35 or 100:30 by weight — as per the product label; mixing with a low-speed mixer at 300–400 rpm with a paddle for 3 min, especially at the bottom and walls, until uniformly pale yellow, then 1 min at low speed to reduce air entrainment; applied in several coats by roller or brush
Application temperatureair +10…+35 °C; relative humidity no more than 80 %
Curingglass transition temperature 117–123 °C after curing for 15 h at 120 °C; 107–113 °C after curing for 6 h at 85 °C
Key propertiesdynamic viscosity, Brookfield RVT, N=3, at 25 °C, 2 rpm: A 7000–15,000, B 12–50 mPa·s; mix density at 20 °C no more than 1.16 g/cm3; pot life at least 60 min at 20 °C (at least 60 min at 25 °C); bond strength (adhesion) > 2.5 MPa (failure in the concrete); shear strength (7 days at 25 °C) at least 12 MPa; glass transition temperature 117–123 °C / 107–113 °C; surface service temperature 60–110 °C
Shelf life24 months from the date of manufacture; in intact factory packaging in warehouses at +5…+30 °C; do not stack pallets with components on top of each other
StandardsTU 2257-050-38276489-2017 (20.16.40-050-38276489-2017); STO No. 38276489.001-2017, STO No. 38276489.002-2017, STO No. 38276489.003-2017

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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