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Fortec #4550 LPL Structural Epoxy
Moisture insensitive, high modulus, high strength, structural epoxy resin


pdf PRODUCT SPECIFICATIONS: Fortec #4550 LPL | MSDS (part A) | MSDS (part B) | Application & Use


Product Description: Fortress 4550 LPL Hi-Modulus Fiber Matrix is a 100% solids, solvent-free,two-component MOISTURE INSENSITIVE EPOXY.Fortress 4550 Fiber Matrix is a low viscosity epoxy for wetting and use with carbon fiber for structural repairs.
ADVANTAGES
  • Easy mix ratio: 2 Parts A to 1 Part B by Volume
  • Long Pot Life with rapid strength development
  • Provides high early strength and excellent adhesion to most structural materials
  • Insensitive to moisture before,during and after cure
  • Low temperature cures - As low as 40oF (4oC)

PHYSICAL PROPERTIES
  • Moisture Insensitive & low temperature cure
  • #4550 LPL Fiber Matrix Structural Epoxy

FOR INDUSTRIAL USE ONLY

SPECIFICATIONS
MIXING RATION2A to 1B By Volume 
COMPRESSIVE YIELD STRENGTH ASTM-D-695 
 ****40oF(4oC)*75oF(24oC)*90oF(32oC)
24 Hours PSI(Mpa) 3200 (22 Mpa)3600 (25 Mpa)
3 Days PSI (Mpa)4000 (28 Mpa)9100 (63 Mpa)9600 (66 Mpa)
7 Days PSI (Mpa) 7200 (50 Mpa)10500 (72 Mpa)9600 (66 Mpa)
TENSILE PROPERTIES ASTM-D-638 
14 Days Tensile Strength PSI  6000 (41 Mpa)
Elongation at Break  2 - 4 %
FLEXURAL PROPERTIES 14 DAYS ASTM-D-790 
Flexural Strength PSI  7600 (52 Mpa)
GLASS TRANSITION TEMPERATURE ASTM-E-1356 
2nd Run   
1st Run  >135oF (57oC)
SHORE D HARDNESS ASTM-D-224084
POTABLE WATER ANSI/NSF 61-1992Y/N
****INDICATES TEMPERATURE FOR CURING & TESTING

Properties
COLORPart A ResinStraw
  Part B HardenerAmber
 Ad-MixAmber
PACKAGINGAvailable in 3 Gallon Units. Available in larger units on request.
CAUTION
  • Minimum surface application temperature is 40oF (4oC)
  • Do not seal slabs on grade
  • Material is a vapor barrier after cure
  • Not for sealing cracks under hydrostatic pressure
  • Minimum age of concrete must be 21 - 28 days
  • Test for surface vapor transmission. Moisture passing through the substrate by pressure during the application and curing will cause bond failures
  • Due to many variables in bonding on damp or underwater surfaces, be certain to test application under the same conditions as full-scale work


TEMPERATURES

Will cure at temperatures as low as 40oF(4oC), providing the temperature will be 40oF and rising during the next 72 hours. Epoxy materials should be stored at least 24 hours prior to use at 80oF(26oC),or higher. Epoxies stored below 60oF(15oC),will cause the epoxy to thicken substantially, making it difficult to properly blend the two materials and obtain a proper mating of resin and hardener. Protect from inclement weather and freezing. If product temperature falls below 50oF(10oC), it is recommended that a product temperature of 80oF(26oC) be obtained prior to using. Store dry at 40oF(4oC) - 100oF(38Co). Condition to 70oF(26Co) - 85oF(29oC) before using.

VISCOSITY:Ad-Mix ASTM-D-2393700-900 cps
GEL TIME: 73oF (23oC) approx. 100 minutes
TACK FREE TIME:  ***75oF (24oC)***90oF (32oC)
***AMBIENT TEMPERATURE
NEAT BINDER
Bond Strength,PSI ASTM-C-882 
2 Days (moist cure) Hardened concrete to hardened concrete or steel- 1200 min. (8.2 Mpa)
Water Absorption 24 Hrs %ASTM-D-570.08 % maximum 


CAUTION -FOR INDUSTRIAL USE ONLY:
FORTRESS FIBER MATRIX epoxies contain alkaline amines. Strong sensitizer MAY CAUSE SKIN SENSITIZATION or allergic response ranging from a mild wheezing to a severe asthmatic type attack. Avoid contact with skin or eyes. IN CASE OF CONTACT immediately wash skin with soap and water. Flush eyes with water and obtain medical attention. Wear protective clothing, goggles and barrier cream on all exposed skin.Provide adequate ventilation.

pdf PRODUCT SPECIFICATIONS: Fortec #4550 LPL Epoxy | MSDS (part A) | MSDS (part B) | Application & Use



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Fortress Stabilization products are protected by the following patents: 7,823,354 (Structure reinforcement system); 7,743,585 (Structure reinforcement system); RE39,839 (Carbon Fiber reinforcement system); 6,846,537 (Carbon fiber reinforcement material); 6,746,741 (Carbon Fiber reinforcement system); 6,692,595 (Carbon Fiber reinforcement Systems); and other pending patents.

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