LOCTITE® HY 4090 has a high viscosity and is a gray gel. It opens completely new application areas in structural bonding for the very first time combining instant adhesive properties with those for epoxies to give more striking benefits. With a powerful combination of speed and strength, LOCTITE® HY 4090™ solves a wide range of design and assembly challenges. LOCTITE® HY 4090™ delivers both performance and versatility, with high strength bonding on a variety of substrates. Cures faster and outperforms many traditional epoxy adhesives. Fixture time of 90 - 180 secs and suitable for gaps up to 5 mm. Resistant to vibration, shock loads and impacts. Best application results are achieved with LOCTITE® 50 ml Adhesive Mixing Nozzle LOC1826921