STOPPERS RUBBER BS2775 1-HOLE NO 23 PK 20 Racks for Bottles from either 1 second to

from either 1 second to 90 minutes or 1 minute to 9 hours or continuous operation

Without mains lead

With moulded handle for easy removal of the rack from a water bath

Mechanical balances

General purpose

STOPPERS RUBBER BS2775 1-HOLE NO 23 PK 20 Racks for Bottles from either 1 second toRubber Stoppers to BS2775. Each stopper has a moulded in number, corresponding to the bottom diameter in millimetres. Hole drilling Natural rubber stoppers are available pre drilled. Where specified the hole diameter will be sizes: 3 and 4: supplied solid only 5 to 8: 1 hole of 3mm 9 to 105: 1 hole of 5mm 15 to 105: 2 holes of 5mm Neoprene rubber stoppers are available pre drilled to special order. Hole diameters are as given for natural rubber