System Three SilverTip Epoxy Hardener, Fast or Slow - Noah's Marine Skip to content

System Three SilverTip Epoxy Hardener, Fast or Slow

SKU STHF.5G
Original price $50.99 - Original price $893.88
Original price
$153.16
$50.99 - $893.88
Current price $153.16

System Three SilverTip Hardener is the curing agent for SilverTip Laminating Epoxy Resin. Choose fast for cooler temperatures and quicker turnaround or slow for longer working time in warm weather. Either hardener cures to a crystal-clear, blush-free film at an easy 2:1 resin-to-hardener ratio.

Features

  • Fast or slow speed to suit your temperature and job
  • Cures blush-free with SilverTip Resin
  • Recoat without sanding within 72 hours
  • Contains no VOC
  • 2:1 resin:hardener by volume

Recommended Uses

  • Refill hardener for SilverTip laminating and coating work

Specifications

Property Details
Mix ratio by volume 2:1 (resin:hardener)
Mix ratio by weight 100:44
Working time @ 70°F (21°C) Fast: 30-35 min; Slow: 45-50 min
Minimum application temperature Fast: 35°F (2°C); Slow: 55°F (13°C)
Recoat without sanding @ 70°F (21°C) Fast: 3-72 hours; Slow: 6-72 hours
Time to sand @ 70°F (21°C) Fast: 14-16 hours; Slow: 24 hours
Full cure @ 70°F (21°C) 3 days
Resin viscosity @ 77°F (25°C) 700 cps
Hardness Shore D 80
Tensile strength (ASTM D638) 7,900 psi
Flexural strength (ASTM D790) 13,000 psi
Heat deflection temperature 128°F (53°C)
Maximum service temperature 160°F (71°C)
VOC content 0
Available sizes Fast: 1 Pint, 1 Quart, 1/2 Gallon, 1 Gallon, 2.5 Gallon; Slow: 1 Pint, 1 Quart, 1/2 Gallon, 1 Gallon, 2.5 Gallon, 5 Gallon

Data Sheets

  • Technical Data Sheets
  • Safety Data Sheets
  • Application Instructions