... 3 non-toxic, tasteless 4:good quality ,best price Silicone tube Performance1-high and color temperature resistance2 Non-toxic ... :Silicone tube can be widely used in aviation ,electronic ,petroleum, chemical ,mechanical. Electrical ,medical.oven ,food ,and other industrial ... HNBR (-30~150), EPDM (-50~150), FPM (-20~200), SILICONE (-100~300)ColorRed,Orange, Yellow, Green, Blue, Puple, Black, ...