Red Rubber Stoppers: Two Hole - 31mm - Pack of 10 Pack of ten

Red Rubber Stoppers: Two Hole - 31mm - Pack of 10 Pack of ten

HE1007844

Product code: HE1007844

Best quality red rubber.  Shore hardness in range 46-55.  Bottom diameter moulded on top face.  Resistant to dilute acids, alkalis and ammonia.

  • Bottom Diameter: 31mm
  • Top Diameter: 36mm
  • Length: 35mm
  • Temperature Range: -30°C - 70°C
  • Hole Diameter: 5mm
  • Pack of 10

Size 31 stoppers are ideal to use with Economy NM Flasks 100mL, Pyrex NM Conical Flasks 250-500mL and Simax Side Arm 250mL.

Please note: Extreme care must be used when inserting glass into the holes in rubber stoppers.

Best quality red rubber.  Shore hardness in range 46-55.  Bottom diameter moulded on top face.  Resistant to dilute acids, alkalis and ammonia.

  • Bottom Diameter: 31mm
  • Top Diameter: 36mm
  • Length: 35mm
  • Temperature Range: -30°C - 70°C
  • Hole Diameter: 5mm
  • Pack of 10

Size 31 stoppers are ideal to use with Economy NM Flasks 100mL, Pyrex NM Conical Flasks 250-500mL and Simax Side Arm 250mL.

Please note: Extreme care must be used when inserting glass into the holes in rubber stoppers.

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