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Fast Setting Hardener

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Item No. : PPA - 7090 (PHENALKAMINE EPOXY HARDENER )
Phenalkamine systems based on distilled CNSL shows intense yellowing during exterior exposure & as such has colour value very high on Gardner scale . PPA – 7090 is Phenalkamine develop to improve up the yellowing factor as well as to assist formulator to develop the light shade in epoxy Phenalkamine systems.
Novel Features :

  • 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 novolacs iv) Most of the organic solvents & their combinations
  • Non-critical mixing ratios
  • Excellent curing under humid & damp conditions
  • Good adhesion to mechanically cleaned surfaces
  • Superior corrosion resistance
  • Very good flexibility
  • Workable pot life

Applications
  • Pipeline & tank coatings
  • Adhesives
  • Surface tolerant primers for metallic substrate
  • Marine & industrial coatings
Typical Properties :
Sr. No. PropertyUnitTypical properties
1AppearanceVisualPale viscous liquid
2ColourGardner10 Max
3Amine ValuemgKOH/g240 – 280
4NVM (1 hr @1050 C)%> 98
5Viscosity @250CcPs75000 - 200000
6Density @250 CKg/ltr0.98 - 1.00
7AHEW(100% solids)g/eq.190
8PHR ( Liquid epoxy resin –EEW=190)--100

Curing Properties :
Gel time (100g@25°C) mixing30 min

Storage & Stability :
Hardener PPA 7090 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 & reduce its 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. Do not inhale mist or vapours. It .is recommended to use gloves, safety glasses & protective clothing for safe handling.
First AID :
In case of
Inhalation :Remove to fresh air & give oxygen if breathing is difficult
Ingestion : Give plenty of water. Do not induce vomiting. Contact a physician
Contact with Eyes : Flush eyes with plenty of clean water for at least 15 minutes
Contact with skin :Immediately wash with mild soap & water

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