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FX-741LV Low-Viscosity Fast-Setting Epoxy


Surface Applied

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FX-741LV Low-Viscosity Fast-Setting Epoxy is a two-component, high-solids, moisture-tolerant epoxy designed for low-temperature applications or when a fast return to service is required.

CSI Specification

03 01 00 Maintenance of Concrete

Key Features

  • Low-viscosity over a wide temperature range
  • Moisture-tolerant, can be used on dry, damp (SSD), wet and submerged surfaces


  • As a fast-setting non-structural crack repair epoxy
  • Interior and exterior applications
  • Repair mortar when mixed with oven-dried silica sand


  • 231 in.3/US gal. (0.001 m3/L) neat
  • 300–600 in.3/US gal. (0.0013–0.0026 m3/L) when mixed 1–3 parts by volume with FX‑701 Oven-Dried Graded Silica Filler


Mixed epoxy: Straw

Mixing Ratio



ASTM D1084
3,000 cps @ 50°F (10°C)
1,020 cps @ 73°F (23°C)

Storage Conditions

Store dry between 40° and 95°F (4°–35°C)

Shelf Life

2 years in unopened packaging


26 g/L (mixed)


15 fl. oz. (444 mL) side-by-side dual cartridge (FX741LVCTG)

3 US gallon (11.4 L) kit (FX741LVKT3) contains:

  • (2) 1 US gallon (3.8 L) cans of Component “A” (FX741LV-1A)
  • (1) US gallon (3.8 L) can of Component “B” (FX741LV-1B)

15 US gallon (56.8 L) kit (FX741LVKT15) contains:

  • (2) 5 US gallon (18.9 L) pails of Component “A” (FX741LV-5A)
  • (1) 5 US gallon (18.9 L) pail of Component “B” (FX741LV-5B)

150 US gallon (568 L) kit (FX741LVKT150) contains:

  • (2) 50 US gallon (189 L) drums of Component “A” (FX741LV-50A)
  • (1) 50 US gallon (189 L) drum of Component “B” (FX741LV-50B)


  • This product is covered by the Simpson Strong-Tie RPS Product One-Year Limited Warranty, which is available at strongtie.com/limited-warranties or by calling Simpson Strong-Tie at (800) 999-5099

Product Notes

  • This product has not been evaluated for resisting long-term sustained loads in anchor applications. Refer to the current Anchoring and Fastening Systems for Concrete and Masonry catalog for code-listed structural anchoring adhesives.

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