Flask Closures

Flask Closures

An assortment of flask closures to accommodate a broad range specific of laboratory applications. Typically manufactured from autoclavable plastics such as polyethylene or polypropylene, flask closures are available as sterile or non-sterile, disposable or reusable, vented or unvented, and may be snap-cap or screw-cap in format. Vented flask closures commonly include a 0.2 µm filter membrane to prevent contamination of flask contents. Screw caps with plug seals are available for applications that require a tight seal, such as Thermo Scientific™ Sterilin™ Silicone Stoppers.

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: Silicone. : -50°C to +200°C. : Autoclavable.
: White. : 100. : Sterile. : Filter.
: Blue. : HDPE. : 12. : 1.
: Blue. : HDPE. : 100. : 1.
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Nalgene round laboratory bottles are iconic, and used in labs throughout the world. The narrow mouth provides more controlled pouring than wide-mouth bottles. The wide mouth designs are easier to fill and are recommended for solid, semi-solid and viscous liquid materials.
Nalgene volumetric flasks are a safer alternative to glass . They won’t break, chip or shatter amid the bustle and bumps of everyday lab work. Enjoy their light weight and ease of handling. Simplify volume readings: liquid in plastic volumetrics don’t form a meniscus, so level liquid avoids...
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Product Insert 8-1007-23 0912
Product drawing: 004108xxxx1_0600