What is a Cement Hardener?
A hardener is a transparent and permanent seal that protects the concrete from grease, salt, oil, water, and other contaminants and chemicals.
Plus, adding a concrete hardener to the floor will prepare the surface for different floor coverings such as paint, epoxy, or adhesives.
Cement Hardener Suppliers In South Africa
What are the ingredients in concrete hardener?
The active ingredients of liquid surface hardeners are Lithium Silicate, Sodium Silicate and Potassium Silicate.
The basic principle of operation of these products is as follows: Lithium silicate, sodium silicate and potassium silicate react with calcium hydroxide in concrete and form calcium silicate.
What cement hardens quickly?
Rapid-hardening hydraulic cement is not only a more durable alternative to portland cement on many projects, but its rapid-setting properties make it an ideal solution for today’s schedule-and budget-driven projects.
Which chemical is used for hardener?
Chemistry of Resins and Hardeners
| Hardener Cross-linker Functional Group | Resin Cross-linkable Group | Cross-linked group |
|---|---|---|
| Polyaziridine | R-COOH (carboxyl) | Acetyl urea |
| Silane Triethoxy silane and aliphatic epoxy | Dual or self cure mechanism | Siloxane & epoxy ester |
| Carbodiimide R-N=C=N-R | R-COOH | N-Acyl Urea |
| Hydrazide | R-C=O Ketone | Hydrazone |
What are the benefits of hardener?
Concrete hardeners and densifiers work extremely well, but only if applied properly, so always go with an experienced flooring specialist. Hardeners offer many benefits, including longevity of surfaces, increased durability, hardness, and protection.
How long does the hardener last?
With proper storage, resin and hardeners should remain usable for many years. After long storage, verify the metering accuracy of the pumps. Mix a small test batch to ensure proper curing. Over time, 105 Resin will thicken slightly and require extra care when mixing.