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CarbonWrap® Primer two-component epoxy primer — substrate preparation
CarbonWrap

CarbonWrap® Primer two-component epoxy primer — substrate preparation

Composite strengthening

CarbonWrap Primer is used where necessary: according to their data sheets, the saturating resins and adhesive of the system do not require a separate primer, while Primer serves to treat concrete, reinforced concrete, masonry and reinforced masonry surfaces before external reinforcement is installed. The primer is not used on damp, contaminated, oily, painted or crumbling substrates, or for temperature and shrinkage joints. The components are mixed 100:30 by weight; the pot life at 20 °C is at least 90 min, the bond to B30 concrete at least 2.5 MPa.

Specifications

ManufacturerCarbonWrap — OOO “Nanotekhnologicheskiy tsentr kompozitov”, Moscow
Typecomposite strengthening
Basetwo-component epoxy primer: component A — blend of epoxy resins and thixotropic additives; component B — amine hardener with special additives; solvent-free
Colourcomponent A — colourless; component B — pale yellow; mix — light yellow
Packagingkit of 19.5 kg: component A — 15 kg pails, component B — 4.5 kg pails
Application methodtreatment (where necessary) of concrete, reinforced concrete, masonry and reinforced masonry surfaces before installing the CarbonWrap external reinforcement system; not used on damp, contaminated, oily, painted or crumbling surfaces or for temperature and shrinkage joints; A:B = 100:30 by weight; mixing with a low-speed mixer at 300–400 rpm with a paddle for 3 min, especially at the bottom and walls, until uniformly light yellow, then 1 min at low speed to reduce air entrainment
Application temperatureair +10…+35 °C; relative humidity no more than 80 %
Key propertiesdynamic viscosity, Brookfield RVT at 25 °C, 20 rpm: A (N=2) 250–800, B (N=2) 15–150 mPa·s; mix density at 20 °C no more than 1.20 g/cm3; pot life at 20 °C at least 90 min; bond strength (adhesion to B30 concrete) at least 2.5 MPa (failure in the concrete); shear strength (7 days at 23 °C) at least 12 MPa
Shelf life36 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 20.30.12-068-38276489-2017 (identical to 2312-068-38276489-2017); certificate of conformity to the TU, certificate of conformity to the technical regulation on fire safety requirements, sanitary and epidemiological conclusion, SGR

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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