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VWR® Cotton Balls

Supplier: VWR Collection

Thorough machine processing provides consistent uniformity of shape and size for maximum efficacy in vial plugging. These high quality balls are very effective at controlling mite infestation.

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VWR® TECHNICAL Silica Wool (~ 9 microns)

VWR® TECHNICAL Silica Wool (~ 9 microns)

Supplier: VWR Chemicals

Our silica wool is made from pure fused quartz fiber: amorphous, continuous, tangled, white, odorless, with no volatile component and no shot. Length, shape and arrangement of fibers give the wool its curly appearance preventing compression of the padding and improves its desired insulating properties.

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VWR® AnalaR NORMAPUR®, Glass Wool, Superfine (~11 µm)

VWR® AnalaR NORMAPUR®, Glass Wool, Superfine (~11 µm)

Supplier: VWR Chemicals

Glass wool is often used as filter material in analytical processes and as supporting substance for drying agents in drying towers (e.g. to prevent “caking” in P2O5).

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Glass Wool

Glass Wool

Supplier: Thermo Fisher Scientific

This glass wool can be used as a filter aid.

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Glass wool

Glass wool

Supplier: GLASWARENFABRIK KARL HECHT

Extra fine.

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Quartz wool

Supplier: TECHNICAL QUARTZ SOLUTIONS

Quartz wool, Fiberglass, White, 1000 g

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Glass wool, washed, technical grade

Glass wool, washed, technical grade

Supplier: PanReac AppliChem

Insoluble in water.

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Deactivated glass wool

Supplier: Thermo Fisher Scientific

Deactivated glass wool, 10 g, Fiberglass, White, 10 g

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Glass wool

Glass wool

Supplier: MACHEREY-NAGEL

Filter aids transform difficult precipitates and colloidal particles into a form which can be easily filtered. When slimy and strongly lyophilic, swelling precipitates are involved, the fibres of the filter flocs prevent formation of a continuous, impermeable layer on the filter. The resulting filter cake remains porous and permeable, and clogging of the filter is prevented.

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Glass wool

Glass wool

Supplier: MACHEREY-NAGEL

This glass wool can be used for GC liners, packed GC columns etc.

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Glass wool

Glass wool

Supplier: Restek

Deactivated borosilicate glass wool, more flexible than fused silica wool, Fiberglass, White, 10 g

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Glass wool

Glass wool

Supplier: Agilent

Glass wool, silane-treated, pesticide grade, for gas chromatography, 10 g, Fiberglass, White, 10 g

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Quartz wool

Quartz wool

Supplier: QUARTZTECHNISCHE WERKSTATTEN

Loosely, fibre size 2 to12 μm.

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VWR® PYREX®  Fiber Glass Roving

VWR® PYREX® Fiber Glass Roving

Supplier: VWR Collection

This fiber glass is made from fine glass fibres with diameters controlled to approximately 0,008 mm. This makes the glass pliable and easy to use. It contains minimal heavy metals and is suitable for use as a filtering medium.

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Quartz wool

Supplier: Roth Carl

This quartz wool is ideal for elementary analysis, as a final stopper in chromatography columns or as a filter aid.

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Cotton roving for pipette plugger

Cotton roving for pipette plugger

Supplier: BELLCO GLASS

Cotton roving made of 12 grain premium long fiber cotton.

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