Screw Caps For Internal Thread Sample Tubes
These silicone washer caps will guarantee a positive leakproof seal at all temperatures.
$138.00
Caps are available either with or without 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 superfast thread design allowing it to be removed or screwed on with a single turn. Autoclavable.
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