Thermoplastic Polyimide Extem* XH1015 Resin. Also UL rating 94V0 at 1.5 and 3.0. Features: High Stiffness,Lead free reflow soldering capable,IR Transparent,Low Creep Sensitivity,High Strength,High Heat Resistance,Good dimensional stability,Flame Retardant,Thin Wall,High Flow Information provided by SABIC |