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#4 Epoxy
Epoxy Resin
  • HIGH STRENGTH
  • NON-TOXIC
  • WATERPROOF
  • PAINTABLE
  • * ENVIRONMENTALLY SAFE
Products
#4
#4
#4
Applications
#4
How To
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SINMAST #4 is a 100% solids, multi-purpose, clear epoxy system that is suitable for a variety of uses. SINMAST #4 is an easy to mix low-viscosity resin that will cure into an extremely hard and durable plastic. SINMAST #4 bonds extremely well to most surfaces including fiberglass, metal, wood and concrete. SINMAST #4 is solvent and isocyanate free. SINMAST #4 is ideal for:
  • Laminating
  • Mother Molds
  • Wet Lay-up
  • Grout Binder
  • Protective Coatings
  • Castings
  • Hard-Coat/Gel-Coat
  • Exhibit Repair

Performance Properties
Test Test Method Results
Compressive Strength ASTM D-695[R] 13,100 psi
[FS] 17,500 psi
[FL] 8,900 psi
Tensile Strength ASTM D-638[R] 7,750 psi
[FS] 10,500 psi
[FL] 5,590 psi
Viscosity[R] 700 cps
[FS] 500 cps
[FL] 850 cps
Mix Ratio by weight[R] 3:1
[FS] 4:1
[FL] 3.33:1
Pot Life[R] 45 mins
[FS] 14 mins
[FL] 50 mins
Cure Time @77°F[R] 8-10 hours
[FS] 3-4 hours
[FL] 14 hours
Packaging1 Gallon. & 5 Gallon Kits
[R] = Regular
[FS] = Fast-Set
[FL] = Semi-Flexible
MIXING INSTRUCTIONS
Mix Parts A and Part B by specified weight for each part in a clean mixing pail. Mix the resins with a mixing paddle of slow-speed drill mixer. Mix the resin for 3 minutes and repeatedly scrape the sides and bottom of pail to ensure a thorough mix. Wear protective gloves, NIOSH approved respirator and splash-proof chemical goggles when mixing and applying epoxy resins.

  POLYGEM, Inc.
P.O. Box 609
West Chicago, IL 60186
www.polygem.com
polygem@ntsource.com
Ph: (630) 231-5600
Ph: (888) 446-3987
Fx: (630) 231-5604