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Tank / Pipe Coating Hardener

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We offer wide range of Tank / Pipe Coating Hardener.
Item No. : PPA - 7562 (PHENALKAMINE EPOXY HARDENER)
Phenalkamine systems based on distilled CNSL show intense yellowing during exterior exposure & as such have colour value very high on Gardner scale. PPA – 7562 is Phenalkamine developed to improve yellowing properties, as well as to assist formulator to develop the light shades in Epoxy Phenalkamine systems.
Phenalkamine PPA – 7562 is Mannich base. It is an Epoxy Adduct of Phenalkamine in a solution form.
Novel Features :

  • Light colour
  • Colour stable
  • Low viscosity
  • Excellent rapid cure even at low temperatures
  • Good chemical, solvent & water resistance
  • Very good compatibility with
    1. Epoxy resin based on bis- phenol A
    2. Epoxy resin based on bis- phenol F
    3. Epoxy resin based on phenolic novolacs
  • Non-critical mixing ratio
  • Excellent curing under humid as well as damp conditions
  • Good adhesion to mechanically cleaned surfaces
  • Superior corrosion resistance
  • Very good flexibility
  • Workable pot life

Applications of Epoxy hardener PPA -7562
  • Medium to high solid coatings
  • Medium to high solid coatings
  • Medium to high solid coatings
  • Tank linings
  • Adhesives
  • Surface tolerant primers for metallic substrates
Typical Properties :
Sr. No. PropertyUnitSpecification
1AppearanceVisualPale yellow viscous liquid
2ColourGardner11 max
3Amine ValuemgKOH/g180 – 220
4N.V.M. (1 hr @1050C%65 ± 2
5Viscosity @250CcPs500 - 3000
6Density @250C0C / 0F31 / 87.8
7AHEWg/eg.180
8Recommended PHR (EEW–190)----100

Curing Properties :
Liquid epoxy resin (EEW –190 )100
PPA – 7562100
@ 250C3 – 4 hrs
@ 50C10 – 12 hrs
Optimum curing schedule 7 days at 250 C
Gel time 100g@250C80 min.

Storage & Stability :
Epoxy hardener PPA -7562 should be stored in a cool dry place at 18 - 25°c in the sealed containers to achieve shelf life of minimum one year. Product can react with moisture & carbon dioxide in the air. This may result in increased viscosity & reduced activity.
Handling & Precaution
May be harmful if ingested or absorbed through the skin & can cause sensitization. Will cause severe inflammation in contact with eye & skin. Wash thoroughly after handling. Adequate ventilation is essential during application. Containers should be tightly closed when not in use or during transportation.

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