LITSIL® H25 — concentrate for hardening weak and old concrete
Lithium concentrate with 23 % active content for old, friable concrete and semi-dry screeds with a strength of at least grade M100.

This water-based chemical hardener with a solids content of 27 % is designed for low-grade concrete, cement-sand screeds and terrazzo floors. It is also used to prepare the substrate for polymer coatings. According to the manufacturer, the surface becomes 1.5–2 times stronger, and the impregnation penetrates to 10 mm or more. Before application, the concrete is ground with 50–100 grit abrasive.
| Manufacturer | LITSIL — OOO “Litium”, Noginsk |
|---|---|
| Type | concrete impregnations and hardeners |
| Use | production workshops, warehouses and logistics, retail and public buildings |
| Base | water-based chemical hardener; VOC 0 % |
| Colour | colourless opalescent liquid |
| Packaging | 20 l canisters, 200 l drums, 1000 l IBC containers |
| Application method | spraying (low-pressure pump sprayer) with spreading by brush or rotary machine; remove excess after 30 min; grinding 50–100 grit |
| Key properties | solids content 27 %; density 1.23 g/cm3; pH 10.4; viscosity 17 mPa·s; surface strengthening of concrete by 1.5–2 times; penetration up to 10 mm or more |
| Consumption | 0.2–0.30 l/m2 |
| Shelf life | 2 years from the date of manufacture, indoors at +4…+35 °C in the original packaging; do not freeze; use opened containers within 1 month |
Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.
Lithium concentrate with 23 % active content for old, friable concrete and semi-dry screeds with a strength of at least grade M100.
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