Screw Caps

Screw Caps for Microcentrifuge Tubes with O-Ring

·       Frosted writing area on cap

·       Colors available are red, blue, green, yellow, orange, violet and amber

·       To order colored caps, add the letter of the color to the end of the catalog number (i.e. 525-R, which is a red cap)

·       For mixed colors order 525-mixed or TC-525-mixed (includes all colors, except natural and amber)

·       O-ring is manufactured out of sulfur-cured ethelyne propylene dimonomere compound

·       Can handle temperature range down to –53.8 °F