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Estotect CT 450

Pitch Extended Epoxy Resi Coating

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Estotect CT 450 is a two-part pitch extended epoxy coating, which is able to provide a protection coating to concrete and metal structures against corrosion from aggressive environments.

It is suitable for tanks above or under ground conditions, such as pipe linings. It is highly recommended for sewage works, effluent plants and dock and harbour installations.


Estotect CT 450 is particularly useful as a protection system to concrete or metal surface, such as:

  • Sewerage treatment plant
  • Manhole
  • Under ground pipe lining
  • Effluent plants
  • Dock & harbour structure


  • High build in single applications
  • Heavy duty corrosion protection system
  • Easily application can be by brush or spray
  • No priming necessary in most cases
  • Chemical and abrasion resistant
  • Applicable to damp surface

Standards Compliance

  • BS 5493

Physical Properties

Specific Gravity 1.4
Solid Content 70%
Colour Semi gloss black
Pot Life at 35°C 1.5 hours
Touch dry at 35 °C 2 hours
Recoating Time
4 hours
36 hours
Recommended Thickness 350 – 400 micron (dry)
Number of Coat 2
Chemical Resistant of a fully cured coat Seawater
Ground water
Sewage water & gases
Distilled water
Mineral oils and fats
Salt solutions
Barnacles and organic growths

Application Instructions

Surface preparation

Substrate shall be clean and free from laitance, loose particles and previous coatings. It can be prepare blast cleaning, water jetting and acid etching, wire brushing or grinding.

For steel substrates, it is ideally to blast cleaning to SA2½.


The two parts of Estotect CT 450 shall be mix thoroughly until it obtained a homogeneous mixture, with a slow speed mixer.

Estotect CT 450 can be applied by brush or spray to give a uniform thickness. Faster rates of application are possible using airless spray equipment. It is recommended to apply in two coats system to achieve dry film thickness of 350 micron to 400 micron.



Tools, etc can be cleaned while the resin is still uncured with solvent cleaner.

Packing & size

Estotect CT 450 5 litre pack
20 litre pack


Estotect CT 450 1.7 m² per litre @ 2 coat

Technical Support

Estop offers a comprehensive range of high performance, high quality of repair product for both new and existing concrete surfaces. In addition, the company offers a technical support package to specifiers, end-users and contractors, as well as on-site technical assistance.


Estotect CT 450 should be stored on pallets in cool dry conditions. Under these conditions, the product will have a shelf life of 12 months.

If stored in extreme heat locations the shelf life may be reduced.


Estotect CT 450 contains epoxy resins, which may cause skin sensitization in certain individuals. Avoid skin contact wear rubber or plastic gloves during application.

Ensure good ventilation.

Additional Information

Estop manufactures and offers a wide range of complementary products, which includes waterstops, waterproofing products, grouts, anchors, specialized flooring products. In addition, a wide range of products formulated for repair and refurbishment of spalled concrete are available.