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HomeEpoxy Hardeners

Epoxy Hardeners

These are a unique type of hardeners that possess the rapid curing characteristics of the aliphatic polyamines while also exhibiting the non-volatility and low order of toxicity associated with polyamides.

The Mannich reaction of Cardanol, formaldehyde, and certain amines is called a Phenalkamine. Phenalkamines share some similar advantages to other Mannich base curing agents, such as: extremely fast cure, low temperature cure (even below 0°C), good chemical resistance, good surface appearance, good moisture tolerance, and non-blushing properties. However, due to the long aliphatic side chain of Cardanol, Phenalkamines also have very good pot life, good flexibility, surface tolerance, and excellent water and salt water resistance.

Our company offers large range of phenalkamine curing agents, phenalkamine adducts, reactive diluents and Epoxy resin modifiers for civil and coating applications.

  • Phenalkamines
  • Phenalkamine - Epoxy Adducts
  • Mannich Bases
  • Epoxy Adducts of Mannich Bases
  • Polyamide - Epoxy Adducts
  • Polyamines Polyamine Adducts
  • Customize resins
  • Reactive Diluents
  • Aliphatic amine hardeners and their adducts

Cutting-edge technology for top-notch quality

GCPPL believes in harnessing the power of technology to deliver products that score high on the quality quotient. We have an array of cutting-edge machinery that manufactures products in its state-of-the-art unit. The manufactured products are then subjected to rigorous quality checks at its advanced QC department. The end-result is a range of products that ensures total satisfaction for the customers. We have a full-fledged Research and Development wing that continuously develops new products and enhances the existing ones for better performance.

GCPPL Phenalkamines constitute a new class of low temp. curing agents. The unique chemistry creates a new route of improving a system by chemical modification of structure.

We offer a wide range of epoxy curing agents, diluents, and resins derived from natural cardanol that are designed especially to address the needs of various heavy duty coating applications. Specialized technical resources are devoted to understanding the existing problems of heavy-duty coatings, and products are tuned to make sure these problems are addressed. By using tools designed for a specific target application, formulators can develop products more rapidly and deliver better solutions for their customers.

The advantages that result from these chemical changes have important application in many branches of industrial maintenance and maritime industries.

Some important features of our Phenalkamine curing agents are:

  • Room temperature and low temperature curing (<5 Deg C)
  • Fast cure/workable pot life
  • Excellent water/salt water resistance
  • Good chemical resistance
  • Cures in presence of moisture
  • Non-critical mix ratio

Product Technical Specification Sample Available
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Applications

The balanced properties enable the use of one workhorse curing agent for multiple applications in marine, offshore, protective, and industrial coatings.

  • Heavy duty anti-corrosive coating
  • Marine and offshore coatings
  • Industrial maintenance coating
  • Pipe relining and tank coating
  • Civil and floor coating applications
Grades and Specification
Golden Cashew Appearance Colour Viscosity (cPs Solid (%) Amine Value AHEW
    (Gardner) at 25 Deg C)   (mg KOH/g.) (gm/eq)
GP 439 Amber color liquid Max 17 500 - 1500 100 320 - 360 95
GP 440 Reddish brown Max 15 1000 - 4000 82-86 490 -550 81
GP 441 Reddish brown Max 16 15,000 - 35,000 100 290 - 325 130
GP 442 Reddish brown Max 15 1000 - 5000 100 320 - 345 125
GP 443 Reddish brown Max 16 500 - 2500 70  150-210   173
liquid
             
LITE GP 441 Light yellow Max 10 15,000 - 35,000 100 290 - 325 130
LITE GP 442 Light yellow Max 10 1000 - 5000 100 320 -345 125
LITE GP 443 yellow Max 10 500 - 2500 65 150-210   174
GP 442 V Reddish brown Max 17     305 - 335  
liquid 2000 - 5000 100 120
       
GP 413 Clear Liquid Max.11 40 - 70 -   - -

Our Special Hardeners for Adhesive Applications

Product Amine value (mg KOH/gm) Viscosity at 25°C (cPs) Color (GS) AHEW Applications
GP 425 340-370 60000–100000 Max 8 155 Putty manufacturing fast curing
GP 426 300-350 15000 - 30000 Max 8 160 Putty manufacturing medium curing
GP 427 180-230 15000-30000 Max 8 150 Putty manufacturing long time curing
GP 428 500-600 500-1500 Max 8 95 Marble repairing Hardeners
Properties
Golden Cashew Key Properties Phenalkamine Type Application Areas
GP 439 Good film, Excellent Adhesion, potable water safe Unmodified Heavy duty marine, protective, potable water / tank lining and Concrete coatings
GP 440 Low viscosity, solvent free, good chemical resistance Unmodified Solvent free primer, chemical resistance coating
GP 441 Low temperature cure, excellent anticorrosion Unmodified Heavy duty marine, protective, potable water / tank lining and Concrete coatings, chemical resistance coating
GP 442 Low viscosity and high solid Unmodified Heavy duty marine, protective, potable water / tank lining and Concrete coatings, Solvent free primer, chemical resistance coating
GP 443 Fast cure, good blush resistance and good adhesion Adduct Heavy duty marine, protective and Concrete coatings
LITE GP 441 Light colour Unmodified Heavy duty marine and protective
LITE GP 442 Light colour, Low viscosity and high solid Unmodified Heavy duty marine, protective, potable water / tank lining , Concrete coatings, Solvent free primer and chemical resistance coating
LITE GP 443 Light colour, fast cure, good blush Adduct Heavy duty marine, protective and Concrete coatings
GP 442 V Slow cure, Low viscosity and high solid Modified Heavy duty marine, protective, potable water / tank lining and Concrete coatings, chemical resistance coating
GP 413 Provide flexibility, maintain electrical properties, Increase thermal shock Resistance Unmodified Marine and Industrial floor coating and coating in contact with potable water