What is Novolac Epoxy Coating?
Novolac epoxy coating is a specialised form of epoxy novolac; a coating system derived from novolac phenolic resin, known for its superior resistance to aggressive chemicals. Its unique epoxy novolac structure includes a high density of cross-linked polymer chains, resulting in a tightly bonded matrix. This structure dramatically improves chemical resistance compared to standard epoxy floors.
This coating acts as a robust protective barrier, shielding concrete substrates from harsh substances including acids, solvents, and alkalis. Commonly applied in areas surrounding chemical storage tanks (bunds), secondary containment zones, and chemical manufacturing facilities, it prevents harmful substances from leaching into concrete, groundwater, and the surrounding environment.
Exceptional Chemical Resistance
Especially effective against acids, alkalis, and solvents
Tightly Cross-Linked Structure
The high bond density delivers superior barrier protection
Long-Term Durability
Resistant to degradation in high-chemical-exposure environments
Concrete Protection
Prevents chemical attack and groundwater contamination
Non-Porous Finish
Minimises absorption and simplifies cleaning
Thermal Resistance
Withstands elevated temperatures in processing zones
Technical Specifications:
- Resin Type: Novolac phenolic epoxy
- Structure: High cross-linked epoxy novolac polymer
- Application Thickness: 200 – 500 microns (typical)
- Finish: Gloss, medium-to-high build
- Chemical Resistance: Strong acids, alkalis, solvents
- Temperature Resistance: Up to 120 °C (depending on formulation)
- Substrate Compatibility: Concrete, polymer screeds
- Application Method: Brush, roller, or airless spray
Industries & Applications
Our novolac epoxy flooring is ideal for industries that require the highest level of chemical protection.
Water Treatment Facilities
- Acid Dosing
- Chlorine Bunds
Oil and Gas
- Bund Lining
- Containment Barriers
Novolac Epoxy Coating Gallery
Check out our selection of photos showcasing our installations in various settings.
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Inspection & quality control
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I have questions…
Standard epoxy coatings offer general resistance to wear and mild chemicals. Epoxy novolac, on the other hand, features a high-density polymer matrix with more aromatic rings and hydroxyl groups from the novolac resin backbone. This gives it far superior resistance to aggressive chemical environments, particularly against strong acids and solvents.
Both novolac resin and vinylester systems are used for chemical resistance, but they serve different purposes. Novolac epoxy has better resistance to solvents and acids due to its denser cross-linking. Vinylesters, while offering excellent corrosion resistance and faster cure times, are typically used in marine and corrosion-prone environments rather than high-purity chemical containment.
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