Sample Tubes with Internal Threads

from $85.06
sale $76.55 (save 10%)

Tubes - Made of polypropylene.

High quality screw cap sample tubes manufactured of t rans lucent autoclavable polypropylene. Tube with internal threads. Caps are supplied with or without a silicone washer, to ensure a positive leakproof seal at all temperatures. A 11/4 turn of the cap is sufficient to seal the vial. Since both closures and tubes are manufactured of the same material, they have the same coefficient of expansion to guarantee an equally secure seal both at room or at low temperatures. Round bottom tubes only can be centrifuged up to 14,000g. Order caps separately.

• For storing and transporting biological material
• All polypropylene construction
• Withstand temperatures from -196 °C to 121 °C
• Withstand centrifugation
• Autoclavable
• Non sterile

Closures - Made of polypropylene

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.

THESE SILICONE WASHER CAPS WILL GUARANTEE A POSITIVE LEAKPROOF SEAL AT ALL TEMPERATURES