Simport Screw Caps for Internal Thread Sample Tubes

Caps with a silicone washer between the cap and the tube to ensure a positive leakproof seal at all temperatures. Closures and tubes are both manufactured of polypropylene, providing the same coefficient of expansion. The cap features a long skirt and a super-fast thread design allowing it to be removed or screwed on with a single turn. Autoclavable. Caps and tubes sold separately.
Image(s) are representative of the product group and not necessarily the individual product.

Screw Cap with Washer
Color: Green

Screw Cap with Washer
Color: Lilac

Screw Cap with Washer
Color: Natural

Screw Cap with Washer
Color: Orange

Screw Cap with Washer
Color: Red

Screw Cap with Washer
Color: White

Screw Cap with Washer
Color: Yellow