STOPPERS SILICONE BS2775 SOLID NO 4 PK 50 Glass Laboratory Flasks Supplied complete with 13mm die

Supplied complete with 13mm die

40KeV minimum through the case  Detector    Halogen-quenched

Number of compartments (doors): 2

35mm thick sharks tooth comb

8 (range 320 to 1000nm)                 Wavelength accuracy                 nm         ±2                           Photometric accuracy % ±1  Straylight         %T  <0

STOPPERS SILICONE BS2775 SOLID NO 4 PK 50 Glass Laboratory Flasks Supplied complete with 13mm dieRubber 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