How do I catalyze and use F206 LF/LM Fairing Compound, and what’s the working time?
How do I catalyze and use F206 LF/LM Fairing Compound, and what’s the working time?
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Full answer (mixing, temperature, and application details)
Catalyst & ratio: F 206 is formulated for MEKP; use 1–2% total MEKP at room temp, with 1.0% recommended at 77°F (25°C). :contentReference[oaicite:4]{index=4} :contentReference[oaicite:5]{index=5}
Working/gel time: At 77°F (25°C) and ~1% MEKP, typical gel times are 3–6 min (LF) and 8–12 min (LM) in a 100 g mass. Adjust MEKP with temperature: ~1.25% at 65°F (18°C), ~1.0% at 77°F (25°C), and ~0.75% at 85°F (29°C). :contentReference[oaicite:6]{index=6}
Temperature limits:Do not use when material or ambient temperature is below 65°F (18°C); curing can be adversely affected. :contentReference[oaicite:7]{index=7}
Alternate catalysts: Norox MEKP-9 is the reference; MEKP-9H, 925, Akzo Cadox D50, and Arkema DDM-9 are expected to perform similarly, while some (e.g., HP-90, DHD-9) may shorten gel/cure times. Always test in your conditions. :contentReference[oaicite:8]{index=8}
Application: Apply with a spatula or trowel. The LM version has a color indicator to help verify catalyst dispersion. :contentReference[oaicite:9]{index=9} :contentReference[oaicite:10]{index=10}
Shelf life: Typical stated shelf life is about 45 days (check date codes and store properly). :contentReference[oaicite:11]{index=11}
Safety: Contains styrene—use gloves, eye protection, and an appropriate respirator; ensure good ventilation and keep away from ignition sources. :contentReference[oaicite:12]{index=12} :contentReference[oaicite:13]{index=13}
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