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Acidproofing & Industrial Flooring

Acidproofing & Industrial Flooring
Acid Proof Concrete & Mortars

Metz manufacture a range of acid proof concretes and mortars to resist the strongest chemicals in extremely demanding physical environments. Materials can be used as protective toppings, grout and mortars, or as concretes that require no further protective layers after placement.

Chemical Resistance Chart (PDF)

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Potassium Silicate

Metz 7KE

Metz Saureisen 54 & 54LW

Metz Saureisen 54SG

Metz Saureisen 65




Vinyl Ester

Metz 10VE

Metz 15VE

Epoxy & Epoxy Novolac

Metz 5NFA

Metz 6NF

Metz 10 Concrete

Metz 10EN

Potassium Silicate

Silicates are solutions of sodium or potassium silicate (also called water glass) that react with an acidic hardener in a condensation reaction to produce a hard silicate gel.

Potassium silicate is now used in preference to sodium silicate. Sodium silicate can have adverse reactions with sulphuric acid under certain conditions.

Halogen free potassium silicate denotes a product that does not use a fluoride hardener. There is a theory that fluorides can react with acids under certain conditions to form hydrofluoric acid.

Metz 7KE Metz 7KE Data Sheet (PDF)
Metz 7KE

Metz 7KE is a halogen free potassium silicate, acid proof cement used for the laying of Metz acid brick and acid tile systems.

Typical Uses: Chimneys, Acid Plants, Secondary Containment.

Metz Sauereisen 54 & 54LW Metz Sauereisen 54 & 54LW Data Sheet (PDF)
Metz Sauereisen 54 & 54LW

Metz Sauereisen 54 & 54LW are potassium silicate based acid proof concretes which can be applied by casting or spraying (guniting) to provide protection against all concentrations of all acids except HF. Metz Saurereisen 54LW utilises a lightweight aggregate and is used where lower weight and/or higher thermal insulation is required.

Typical Uses: Chimney Linings, Acid Tanks, Acid Vessels, Scrubbers, Sulfur Pits.

Metz Sauereisen 54SG Metz Sauereisen 54SG Data Sheet (PDF)
Metz Sauereisen 54SG

Metz Sauereisen 54SG is a potassium silicate based structural grade acid proof concrete. It is resistant to all concentrations of all acids except HF. It can be used to cast pump plinths, kerbs etc or to replace concrete without the need for further protection against chemical attack.

Typical Uses: Acid Plants, Acid Storage, Fertiliser Plants, Oil Refineries.

Metz Sauereisen 65 Metz Sauereisen 65 Data Sheet (PDF)
Metz Sauereisen 65

Metz Sauereisen 65 is an inorganic potassium silicate cement used in the laying of acid proof brick and tile systems.

Typical Uses: Chimneys, Acid Plants, Secondary Containment Areas.


Furane resin (also called furan resin) is formed by condensation of furfuryl alcohol and furfural at elevated temperatures using an acidic catalyst.This resin is mixed with an acidic hardener to produce a hard, cross-linked solid with excellent chemical resistance.

Metz 12P Metz 12P Data Sheet (PDF)
Metz 12P

Metz 12P is a phenol modified furane based bedding and jointing compound used in laying Metz Acid brick and Acid tile systems. Also available as a carbon filled version Metz 12PHF when resistance to Hydrofluoric Acid is required.

Typical Uses: Solvent Storage Areas, Chemical Plants and Fertiliser Plants."

Metz 12PHF Metz 12PHF Data Sheet (PDF)
Metz 12PHF

Metz 12PHF is a phenolic modified furane resin based bedding and jointing cement used in laying carbon bricks where resistance to HF or hot caustic soda is required.

Typical Uses: Fertiliser Plants, Reactor Vessels, Pits and Drains.

Vinyl Ester

Vinyl ester resin (also known as epoxy vinyl ester) is made by reacting acrylic or methacrylic acid with epoxy. Vinyl esters are an improved version of standard unsaturated polyesters with greater strength, higher chemical and heat resistance, reduced shrinkage and less susceptibility to moisture during curing.

Vinyl ester resin hardens by polymerization, using a promoter (accelerator) and a catalyst (hardener). The catalyst is generally a peroxide.

Metz 10VE Metz 10VE Data Sheet (PDF)
Metz 10VE

Metz 10VE is a novolac vinyl ester polymer concrete used in areas where particular chemical exposures make it better suited than Metz 10EN.

Typical Uses: Pulp Mills, Paper Plants, Oil Refineries.

Metz 10 Epoxy Concrete Metz 15VE Data Sheet (PDF)
Metz 15VE

Metz 15VE is a 2 part cement based on an epoxy novolac vinyl ester resin, which is used for bonding acidproof bricks and tiles. Metz 15VE is most often used in areas exposed to Nitric Acid.

Typical Uses: Acid Plants, Oil Refineries, Steel Mills, Paper & Pulp Mills

Epoxy & Epoxy Novolac

An epoxy resin is a compound that contains the reactive epoxide group. These groups can react by cross-linking with other compounds called hardeners or curing agents, forming rigid three-dimensional networks. Many types of curing agents can be used to impart different properties to the finished product. Among these curing agents are aliphatic amines, aromatic amines and cycloaliphatic amines. There are two main types of epoxy resins:

  • Bisphenol A: Formed by the reaction of Bisphenol A and epichlorohydrin
  • Epoxy Novolac (also called epoxy phenol novolac): Formed by the reaction of phenol and formaldehyde.

Epoxy Novolac resins have higher functionality than Bisphenol A resins, which means they have more sites available for cross-linking with hardeners. This higher cross-link density results in products with higher chemical and temperature resistance.

Metz 5NFA Metz 5NFA Data Sheet (PDF)
Metz 5NFA

METZ 5NFA is a fast setting version of Metz 5NF Epoxy Novolac, which can be used for bedding and jointing ceramic tiles or as a repair material, when rapid curing is required.

Metz 6NF Metz 6NF Data Sheet (PDF)
Metz 6NF

Metz 6NF is an epoxy novolac grout and mortar with exceptional chemical resistance normally used as part of Metz acid resistant tile systems. Metz 6NF has extremely good chemical resistance and cures rapidly even at low temperatures.

Typical Uses: CIP Rooms, Mineral Processing, Secondary Containment.

Metz 10 Epoxy Concrete Metz 10 Epoxy Concrete Data Sheet (PDF)
Metz 10 Epoxy Concrete

Metz 10 Epoxy Concrete is an epoxy based polymer concrete. It is used to replace severely attacked concrete or can be applied to new concrete in areas subject to extreme mechanical stresses. Often used as an underlayment beneath other Metz monolithic flooring products.

Typical Uses: Metal Production Plants, Chemical Plants, Food Plants.

Metz 10EN Metz 10EN Data Sheet (PDF)
Metz 10EN

Metz 10EN is an epoxy novolac polymer concrete used to place over new or old concrete in areas subject to severe chemical attack. It can be used to cast pump plinths, kerbs etc without the need for further protection against chemical attack.

Typical Uses: Oil Refineries, Acid Plants, Mine Sites, Mineral Processing.

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