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Acidproofing & Industrial Flooring

Acid Brick & Tile Systems

Acidproofing & Industrial Flooring -> Acid Brick & Tile Selection
Acid Brick & Tile Fixing Material

Metz manufactures a range of materials used to fix acid brick and tiles. Metz provides the membrane, bedding and jointing cements (mortars and grouts) and movement jointing materials.

Chemical Resistance Chart (PDF)

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Potassium Silicates

Metz 7KE

Metz Sauereisen 65

Epoxy Novolacs

Metz 4HB-EN

Metz 6NF

Furane

Metz 12P

Metz 12PHF

Polyurethanes

Metz 95M

Metz 20M

Vinyl Ester

Metz 15VE

Fluoropolymers

Metz Viton® Caulk

Other Materials

Metz 18A

Metz Sauereisen 89

Potassium Silicates

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 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.

 
Epoxy Novolacs

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 to form 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 4HB-EN Metz 4HB-EN Data Sheet (PDF)
Metz 4HB-EN

Metz 4HB-EN is an epoxy novolac formulated coating which exhibits exceptional resistance to corrosive chemicals. Used as a coating in aggressive chemical areas where there is no heavy impact or abrasion, it can also be used as a membrane beneath acid resistant Metz systems when a fabric reinforcing is incorporated.

Typical Uses: Secondary Containment, Mineral Processing, Water Treatment.

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.

 
Furane

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.

 
Polyurethanes

There are many different types of polyurethanes ranging from soft, elastomeric compounds to rigid materials and polymer concretes.

  • One-part polyurethanes are polyisocyanate compounds that react with moisture.
  • Two-part polyurethanes consist of a polyalcohol and a polyisocyanate which react to form a cross-linked polymer.

The properties of the end product can be modified by altering the type of polyalcohol and isocyanate used, the mix ratio of these components and the fillers incorporated in the system.

Metz 95M Metz 95M Data Sheet (PDF)
Metz 95M

Metz 95M is a 2 part polyurethane chemical resistant membrane or lining system where some flexibility is required.

Typical Uses: Tanks, Pits, Secondary Containment Areas.

Metz 20M Metz 20M Data Sheet (PDF)
Metz 20M

Metz 20M is a 2 part roller or spray applied polyurethane chemical resistant membrane or coating.

Typical Uses: Process Floors, Trenches, Pit, Bunded Areas, Swimming Pools.

 
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 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

 
Fluoropolymers

Fluoropolymers are polymers that contain fluorine, and include Teflon®, Halar®, PTFE and PVDF. Fluoroelastomers are flexible fluorine compounds that include Viton® Fluoropolymers which have outstanding chemical resistance because of their unique chemical structure. The fluorine provides very strong bonds that are difficult to break. These bonds are much stronger than occur in other polymers, such as polyethylene. Viton® is a registered trademark of DuPont

Metz Viton Caulk Metz Viton Caulk Data Sheet (PDF)
Metz Viton Caulk

Metz Viton Caulk is an extremely corrosion resistant caulking compound used in the severest chemical conditions.

Typical Uses: Acid Storage and Containment, Mineral Processing, Chemical Plants.

Viton® is a registered trademark of DuPont

 
Other Materials

A range of other materials can be used in conjunction with Metz acid brick and tile systems.

Metz 18A Metz 18A Data Sheet (PDF)
Metz 18A

Metz 18A is a rubberised bituminous liquid used with fabric reinforcing as a flexible, crack bridging waterproof layer beneath a wide variety of Metz tile system installations.

Typical Uses: “Green” Concrete, Kitchens, Food Areas

Metz Sauereisen 89 Metz Sauereisen 89 Data Sheet (PDF)
Metz Sauereisen 89

Metz Sauereisen 89 is an asphaltic mastic used as a high temperature, flexible, acid resistant membrane beneath either acid brick and tile or acid resistant monolithic systems.

Typical Uses: Chimneys, Flue Gas Ducts.

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