Product Description：

DB9664 is a hot-melt adhesive specially designed for positioning bonding of MEA frames—fast positioning bonding function. After fully cured, it has extremely high impact resistance, water boiling resistance and chemical resistance, which can meet the requirements of fuel cells

Physical properties：

One-component, fast curing speed;

Viscosity suitable for narrow side bonding, strong thermal stability;

Good adhesion to PEN, PET, PI, and other films and carbon paper;

Excellent adhesion to TPU and other low surface energy substrates

Material properties before curing

Hot and cold cycle test

Conditions: -40°C & 1h, 95°C & 1h, one cycle 2h, the data after 360 cycles are as follows