Polycarbonate compositions, method of manufacture thereof, and articles therefrom

A thermoplastic composition comprising, based on the total weight of the thermoplastic composition:

• 40 to less than 80 wt. % of a linear bisphenol A polycarbonate homopolymer;
• 10 to 40 wt. % of a reinforcing mineral filler comprising talc, mica, or a combination thereof;
• 0.05 to 1.5 wt. % of a fluorinated polymer;
• 10 to 20 wt. % of a polyetherimide fiber;
• 1 to 8 wt. % of an organic phosphorus-containing flame retardant;
• 0.05 to 20 wt. % of an impact modifier;
• and
• 0.05 to 5 wt. % of an additive composition comprising an antioxidant, a mold release agent, and a stabilizer,
• wherein the thermoplastic composition does not contain sodium trichlorobenzene sulphonate and the thermoplastic composition does not contain any glass fibers, and
• a sample of the thermoplastic composition has
• a maximum average heat release (MAHRE) of equal to or less than 90 kW/m2 measured in accordance with ISO 5660-1 on a 3 mm thick plaque at 50 kW/m2,
• a smoke density after 4 minutes (Ds-4) of equal to or less than 300 measured in accordance with ISO 5659-2 on a 3 mm thick plaque at 50 kW/m2, and
• a critical flux extinguishment (CFE) of equal to or greater than 20 kW/m2 measured in accordance with ISO 5658-2 on a 3 mm thick plaque.