N. Gandhi and Co. manufactures Glass Balls to Withstand High Temperatures. N. Gandhi and Co. is an ISO 9001 certified company. The company manufactures high-precision steel balls, non-ferrous and non-metallic balls including ceramic, glass and plastic. The Glass Balls to Withstand High Temperatures are dimensionally stable, resist corrosion and chemical absorption and can withstand high temperatures [up to 600 degree F.] Density varies depending on the type of glass used to manufacture the ball.