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Magdeburg Hemispheres Plastic Manufacturer,Supplier and Exporter

Magdeburg Hemispheres Plastic

Product Code : SEL-PLE-10163

Quick Answer: These lightweight plastic Magdeburg hemispheres, 100 mm in diameter, are an economical way to demonstrate atmospheric pressure: join them, pump out the air through the stopcock and try to pull them apart.

Last updated: October 2026

Key Features

  • Pair of plastic hemispheres, 100 mm diameter
  • Plastic stopcock on one hemisphere for pumping out air and releasing the vacuum
  • Rubber O-ring seal inside
  • Lightweight construction, easy to handle
  • Connects to any suitable vacuum pump for evacuation

Technical Specifications

SpecificationValue
MaterialPlastic
Diameter100 mm
ValvePlastic stopcock on one hemisphere
SealRubber O-ring inside
EvacuationAny suitable vacuum pump

About This Product

Once the air between the two halves has been pumped out, the pressure of the surrounding atmosphere holds them together far more firmly than students expect. Opening the plastic stopcock releases the vacuum and the hemispheres come apart. The lightweight plastic makes the pair easy to handle and convenient to use, and the rubber O-ring inside keeps the joint sealed. School Educational Instrument can ship the Magdeburg Hemispheres Plastic to Colombia, Brunei, Haiti, Armenia, Jordan and Bulgaria.

Frequently Asked Questions

How is the vacuum released on the plastic Magdeburg hemispheres?

One hemisphere has a plastic stopcock that is used both for pumping out the air and for releasing the vacuum afterwards.

What size are these hemispheres?

They are 100 mm in diameter.

Related: Physics Lab Equipment, Magdeburg Hemispheres Steel, Magdeburg Hemispheres Rubber, Air Pump (Vacuum Pump with Aluminium Plate).

For a quotation on the Magdeburg Hemispheres Plastic, contact School Educational Instrument.

   
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