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Devcon FL-10 Primer – one-part moisture-cure primer for ultimate adhesion of Flexane urethanes on metals

Item Name: Devcon FL-10 Primer
Manufacturer: ITW Performance Polymers
Technologies: One-part adhesion promoter, moisture-cure primer
Color: Blue
Cure Type: Dries tack-free in 5–15 min; maximum recoat window 7 days
Package Size: 4 oz (Item No. 15980)
Shelf Life: Contact to Techniq VN for details

1. Product Overview

Devcon® FL-10 Primer is a one-part, moisture-cure adhesion promoter designed for metal substrates.

  • Ensures maximum adhesion of Flexane® urethanes and Devcon® epoxies

  • Dries quickly (5–15 minutes) at room temperature

  • Blue in color, solvent-based with 15% solids by volume

  • Supplied in 4 oz. packaging (Item No. 15980)


2. Applications

  • Metals: Primer for stainless steel, aluminum, and other metals before applying Flexane® products

  • Immersion conditions: Use in combination with FL-20 Primer for metal substrates exposed to moisture or submerged in water

  • Surface preparation: Essential after sandblasting or grinding to prevent oxidation and maximize adhesion

3. Typical Properties

Property Value / Notes Standard
Color Blue
% Solids by Volume 15%
Coverage 10 ft² (0.93 m²) per 4 oz @ 5 mil (0.13 mm)
Cure Time (dry to tack-free) 5–30 minutes
Adhesion Strength (Metal, 1 coat dry) 25–50 pli (4.4–8.8 N/mm)
Adhesion Strength (Metal, 2 coats dry) 50–75 pli (8.8–13.1 N/mm)
Adhesion (Immersion: 1 coat FL-10 + 1 coat FL-20) For water-submerged metals
Application Temp Room temperature (~21 °C)
Storage Store at ~21 °C (70 °F)
Mixing Not required (single-component)
Topcoating Window Minimum 5 min; maximum 7 days (beyond this, solvent wipe + reapply)

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